This is a Most important question of gk exam. Which of the following statements about the mole is FALSE? e) when the length of the pendulum is more than twice the diameter of the bob, c) when the pendulum swings through a small angle. To determine the how many liters of gaseous products would be formed. B) 2.01 gram of Na2SO3 > ? Which one of the following statements concerning the mole is false? Most common gestational trophoblastic disease following hydatidiform mole is ? Which type of molecule NEVER contains a phosphate group? D) H6O B) 48.4 The freezing point depression = T f = K b m pendulum would decrease. TRUE. Do these amounts reflect the relative amounts of NO2 and O2 expected based on the balanced equation? The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon. > ? B) H2O2 The mole is the SI base unit for expressing the "amount" of a substance. What kind of change is demonstrated in this process? How many molecules of nitrogen monoxide are in a 22.5 gram sample? Given by Amedeo Avogadro. b One of the compounds has a molecular weight of 28.3 amu; the other, of 56.06 amu. Which of the following statements regarding the mole is INCORRECT? The empirical formula for this compound is: Economics questions and answers. C) 2.12 10^25 a. b) air c) A totally solid object can float on water if its volume is greater than the volume of water it displaces. Which of the following statements about partial mole is false: 1) Usually present as Missed Abortions. To calculate :- Bauxite is an ore that contains the element aluminum. Suppose you are sitting next to a fireplace in which there is a fire burning. C) 32.00 First we have to calculate number of carbon atoms C.) One mole of a monatomic element has a mass equal to its atomic mass expressed in grams. What is the mass of 1.56 1021 atoms of magnesium in grams? C. Gift tax returns are filed on a calendaryear basis. B) C3H a) The frequency would decrease, but the period would remain the same. C) 39.3 How many moles of iron are contained in 1.75 kg of iron? d. In the recent decades, the growth rate of real labor compensation (i.e., labor compensation adjusted for CPI inflation) has been lagging behind the growth rate of labor productivity. C) It has 12 neutrons in its nucleus. pendulum would decrease. At constant P and T, volume and moles of gas are directly proportional. Water will pass through the filter paper if the B option is used here. C) 0.429 A) The mass of 1 mole of carbon is greater than the mass of 1 mole of magnesium. B) 6.022 1023 a) decreases You have 10.0 g each of Na, C, Pb, Cu and Ne. It remain constant for every 1 mole of substance. Rarely causes Persistant Gestational Trophoblastic Neoplasia, 5. l type='a'> 0.00552 mole of calcium 6.25 mmol of boron (1mmol=11000mole) i>135 moles of aluminum 1.34107 moles of barium 2.79 moles of phosphorus 0.0000997 mole of arsenic. B) 1.73 D) 3.25 1024 Thus, they often have relatively simple empirical formulas. What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH? The volume of O2, (V)=3.62 L. If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? the condensation of steam on a kitchen window. A)4.25 10^25 How many moles of fluorine are in 3.2 moles of xenon hexafluoride? Which of the following samples exhibits the highest degree of entropy? This is because the molal depression in freezing point constant K b is different for different solvents. We enjoy helping your pets to feel and look healthy, happy, and handsome! > ? Which of the following statements about the mole is FALSE? > ? The rate of heat flow through the wall of a house does not depend on which one of the following quantities? C2H6(g) + 7/2O2(g) 2CO2(g) + 3H2O(g) ? A) 6.94 D) FeCl3 D) C2H8 24) Which of the following statements about empirical formulas is incorrect? A block is hung vertically at the end of a spring. The final state of the system will still be B. Heat flows out of the gas and into the surroundings. (a) If air has an average molar mass of 29.0 g/mol, what is the density of air at 25C and 770 mm Hg? c) proportional to the Kelvin temperature of the gas. > ? c. The capital income share in the US has been. E) none of the above. The piston is moved so quickly that no heat escapes. The amount of carbon dioxide in the bubble increases. What is the change in entropy of the sample? A fragment is an incomplete sentence that is not grammatically correct. Which one of the following is not an example of convection? How much heat is exchanged with the environment? Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste, John C. Kotz, Paul M. Treichel, John Townsend, David Treichel, Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell. c) that is equal to the weight of the fluid displaced by the object. Is it possible that the fact that some NO2 molecules combine to give N2O4 plays a role? 1) What is the correct value for Avogadro's number? which of the following statements about the mole is FALSE? > ? > . > ? The mole is defined in terms of the carbon-12 isotope. 1L = 10-3, A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the, A: At STP 1 mole of a gas occupies 22.4 L of volume. Is it okay? Complete the following statement: When the penny is heated. The size of a mole of atoms has a reasonable mass. d) both choices a) and b) Which one of the following statements for this isothermal process is false? VIDEO ANSWER: Yeah, everyone. > ? A 20 yrs old woman gives a history of sharp pain in the lower abdomen for 2-3 days every month approximately 2 weeks before the menses.The most probable etiology for her pain is: Early cord clamping should be done in all except-, A primigravida in first trimester was observed to be sputum positive for acid fast bacilli.She had no previous history of tuberculosis.Which of the following should be the treatment strategy, Kamla,a 48 years old lady underwent hysterectomy on the seventh day.She developed fever burning micturation and continuous urinary dribbling .She can also pass urine voluntarily.The diagnosis is-. b) that is greater than the weight of the fluid displaced by the object. One mole of oxygen gas has a mass of ________ g. Calculate molar mass of ammonium carbonate, 23) How many molecules of sulfur trioxide are in 78.0 grams? A 7.96 gram sample of silver reacts with oxygen to form 8.55 gram of the metal oxide. One mole of He occupies 22.4 L at STP. Question: Which of the following statements about the mole is FALSE? A girl uses a pump to put air into her bicycle tire at constant temperature. a) the energy in the system is proportional to the square of the motion's amplitude. > 11 ? B. One mole of a substance contains the same number of particles as one mole of any other substance. 19) Which of the following molecules contain > ? Which of the following statements about twinning is true: Which of the following can occurs in ovary, rectum and appendix -. 0.80 moles c. 1 mole d. 0.20 moles e. More information . 109 An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate, MgCO3. A mole is a unit of quantity equal to 6.02 x 10 23 particles. b) the driving frequency is the same as the natural frequency of the system. 2) Can be reliably diagnosed by USG in early gestation. 4) Rarely causes Persistant Gestational Trophoblastic Neoplasia. The rate at which the object oscillates may be described using the period T, the frequency f, and the angular frequency . The block is free to slide on a frictionless floor. > ? The temperature of the gas is increased by 1 C. B) 3.8 B) It has 6 electrons orbiting the nucleus. A) 0.2 (NH ) HPO contains how many moles of hydrogen atoms? A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. D) 2.01 A: Given What is the value of n necessary to find the molecular formula, 20) A 42.7 gram sample of potassium nitrate contains how many grams of potassium? is required to react with 25 g of copper!I) sulfide? These moles are called acquired melanocytic nevi (and include the subtype epidermal nevus). What is the cause of this pressure increase? How many moles are there in 82.5 grams of iron? C) 1 mole of potassium. e) Increase the distance that the spring is initially stretched. D) 44.01 B) A mole of a monatomic element corresponds to one Avogadro's number of atoms. Answer: The following statement is false: 1. 12. E) none of the above, 4) One mole of boron has a mass of ________ g. In the laboratory, you find that a sample of this salt produced a 0.195-g mixture of gaseous NO2 and O2 with a total pressure of 725 mm Hg at 35 C in a 125-mL flask (and black, solid CuO was left as a residue). e) all of the above are fluids, The density of mercury is 1.36 104 kg/m3. > . . ? In which one of the following cases is the pressure exerted on the ground by the man the largest? d) One mole of a substance has the same mass as one mole of any other substance. > , ? A heat engine uses input heat to perform work and rejects excess heat to a lower temperature reservoir. One mole of (NH4)2HPO4 contains how many moles of hydrogen atoms? It is correct to affirm that its entropy E) none of the above, 14) Calculate the molar mass of ammonium carbonate. c) At a given depth in the liquid, the pressure is the same at all points at that depth. What would the empirical formula be for the molecular compound C6H9O4? > ? > ? Which one of the following substances is not a fluid? A) FeCl d) amplitude B) 9.91 1025 Which of the following statements about the mole is FALSE? e. Nl of the above statements are true. The rms speed of the molecules of gas A is twice that of gas B. D) 1.48 D) not enough information Complete the following statement: The first law of thermodynamics states that. 1. B) 88.05 g/mol An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. 2 NaN3 (s) 2 Na (s) + 3 N2 (g), A: Given: KCHO2(s)+KOH(s)K2CO3(s)+H2(g) If 75.0 g of potassium formate reacts in a 2.50-L vessel, which was initially evacuated, what pressure of hydrogen will be attained when the temperature is finally cooled to 25C? 17) How many atoms are in 15.6 grams of silicon? So,, A: The decomposition reaction of sodium azide (NaN3) is given as c) water SURVEY . These bacteria are, Oil-degrading bacteria are naturally present in the environment but cannot degrade an oil. A block of mass M is attached to one end of a spring that has a spring constant k. The other end of the spring is attached to a wall. > ? Identify which of the following statements is false. B) the density of hydrogen peroxide. D) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. Given the following percent composition what is molecular formula 40% C, 6.7% Hydrogen, 53.3% O, 25) The simplest formula for hydrogen peroxide is HO. D) 3 moles of potassium. The limiting reagent gives the smallest yield of product calculated from the reagents (reactants) available. Medical treatment of ectopic pregnancy is -, A lady with CA ovary in follow up with raised Ca 125 level, next step -, In a woman having a previous history of caesarian section all of the following are indications for trial of labour.Except, Chorionic villous sampling done before 10 weeks may result in-, The best contraceptive for newly married couple is. . > (UNICEF) ? If 45.6% of the methane can be captured and the daily production of the mine is 580 metric tons of coal, how many moles of methane could be obtained per day? E) none of the above. At some instant, the valve is opened and the gas rushes freely into the right chamber. Transcribed Image Text: Which of the following statement is false about the relationships between [S], KM and Vmax 1) The rate of product formed, V, is at Vmax when [S] >> KM. 4 KO2(s) + 2 CO2(g) 2 K2CO3(s) + 3 O2(g) What mass of KO2, in grams, is required to react with 8.90 L of CO2 at 22.0 C and 767 mm Hg? Which of the following statements about partial mole is false: > ? A) 4 B) 2 C) 8 D) 9 E) none of the above, 11) What is the mass of 1.56 1021 atoms of magnesium in grams? (For more information, see Section 1.6 ) Similarly, the molar mass of uranium is 238.03 g/mol, and the molar mass of iodine is 126.90 g/mol. 12) In comparing 1 mole of carbon atoms to one mole of magnesium atoms, which statement is TRUE? > , ? d. At the same T and P, 2 mol of gas occupies twice the volume of one mole of gas. What is the ratio of the mass of sample B to that of sample A, mB/mA? B) 13.3 Heat is added to a sample of an ideal monatomic gas. A mole of atoms contains 6.02 10 atoms ( Avogadro's number ). P=1atm, A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements, A: Given E) none of the above. Which of the following statements about the atom 126 C is false? E) none of the above, 9) How many atoms are in 15.6 grams of silicon? E) none of the above. Which of the following pairs of compounds have the same empirical formula? D) 0.974 Calculate the empirical formulas of the following polymers: Lucite (Plexiglas); 59.9% C, 8.06% H, 32.0% O Saran; 24.8% C, 2.0% H, 73.1% C1 polyethylene; 86% C, 14% H polystyrene; 92.3% C, 7.7% H Orlon; 67.9% C, 5.70% H, 26.4% N. n chemistry, what is meant by the term mole? a) The displacement versus time graph for an object in simple harmonic motion resembles the sine or cosine function. > ? E) none of the above. The temperature, (T)=480C=(48+273.15)=321.15K. A) 0.236 B) 0.472. Raoul Pictet, the Swiss physicist who first liquefied oxygen, attempted to liquefy hydrogen. CH4(g) + 4 Cl2(g) -------> CCl4(g) + 4HCl(g) C) 165 online shopping Electronics india, online shopping in india, online shopping store, buy electronics online, online electronics shopping, online shopping stores, electronics online shopping, online electronics store, online electronic shopping india, online electronics store india. So as to be able to pass through it. C) 5 C) 0.600 Mass of Ar = moles x molar mass C) C2H3O2 You have 10.0 g each of Na, C, Pb, Cu and Ne. What type of. > ? c) This is done to minimize heat transfer by conduction and radiation. Gas volume depends on temperature and pressure. In a reversible heat engine, one mole of an ideal gas is carried through a circular cycle beginning and ending at point A as shown in the figure. > ? b) The pressure is not dependent on the atmospheric pressure exerted at the surface of the liquid. 34) How many moles of fluorine are in 3.2 moles of xenon hexafluoride? If one complete cycle of a reversible process is carried out on a sample of an ideal gas so that its final state is the same as its initial state, which one of the following quantities is the only one which can be non-zero? a) The mole is related to Avogadro's number. d. Viblib light is a small part of the entire electromagnetic spectrum. e) that is equal to the force of gravity on the object. D) 1 mole of nitrogen. E) none of the above. E) Its atomic number is 6. calculate the molecular weight of ethanol, C 2 H 5 OH. Study with Quizlet and memorize flashcards containing terms like Complete the following statement: The atomic mass unit (u) is defined so that 1 u is exactly equal to the mass of, Which one of the following statements concerning the mole is false?, Two pure samples of atoms, labeled A and B, contain titanium (Ti) atoms and carbon (C) atoms, respectively. E) Ne, 2 moles of nitrogen atoms > ? D) The molecular formula can be the same as the empirical formula in some situations. Which one of the following statements is true concerning the ratio of the molar heat capacities Cp/Cv for an ideal gas? How many moles of carbon are in 3.5 moles of calcium carbonate? O B) One RNA molecule can include four different nucleotides in its structure. The April 6, 2009 L'Aquila earthquake was the strongest seismic event to occur in Italy over the last thirty years with a magnitude of M = 6.3. 3) As the [S] is increased, V approaches the limiting value, Vmax. Polymers are large molecules composed of simple units repeated many times. A mole of a monatomic element corresponds to one Avogadro's number of atoms. Which contains the largest number of moles? Determine the empirical formula of ascorbic acid if it is composed of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. Free your garden from roaming cats with the PestBye smart ultrasonic cat repeller with SmartLink technology - the latest innovation in pest control.. Link together as many devices as you need with new SmartLink technology and protect every sized space with this complete pest control system.This innovative technology uses Radio Frequencies to link together repellers within 200m and allows for . Complete and balance the following equations, and identify the oxidizing and reducing agents: Cr2O72(aq)+I(aq)Cr3+(aq)+IO3(aq)\mathrm { Cr } _ { 2 } \mathrm { O } _ { 7 } ^ { 2 - } ( a q ) + \mathrm { I } ^ { - } ( a q ) \longrightarrow \mathrm { Cr } ^ { 3 + } ( a q ) + \mathrm { IO } _ { 3 } ^ { - } ( a q ) For instance, 1 mole of Na has a mass of 23 grams . 39) How many moles of oxygen are in 3.30 moles of NaC ? What information do we get from a chemical formula? Which one of the following statements concerning the mole is false? A) 1.9 If 16.0 g of methane react with 64.0 g of oxygen, the combined masses of the products will be 80.0 g. If 22.4 liters of methane at STP react with 64.0 g of oxygen, 22.4 liters of carbon dioxide at STP can be produced. Labor income is the compensation of employees that is a return to work effort, which includes wages, salaries and employer-provided benefits. > ? 30) Calculate the molar mass of ammonium carbonate. Labor income is the compensation of employees that is a return to work effort, which includes wages, salaries and employer-provided benefits. 3.09 x 10^24 atoms of sulfur in grams? c) At a given depth in the liquid, the pressure is the same at all points at that depth. Question: 4. What is the importance of the mole concept? A) 136.03 g/mol B) 102.09 g/mol C) 132.10 g/mol D) 164.10 g/mol E) none of the above, 16 If 3.011 molecules have a mass of 20.04 grams, what is the molar mass of this substance? The minimum time that elapses between the object being at its maximum position and when it returns to that maximum position is equal to which of the following parameters? D.) One mole of water contains 1/2 mole of oxygen atoms. How might this location benefit the virus? A. A) 0.250 d) The period of the pendulum does not depend on the length of the pendulum. B) 3.5 c) Both the period and the frequency would decrease. A: Balancing a chemical is the process in which a certain coefficient is multiplied to the molecular, A: The chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE) is, A: For a given balanced chemical equation number of moles of substance is equal to stoichiometric, A: Given, About this item . B) A mole of a monatomic element corresponds to one Avogadro's number of atoms. E) none of the above. e) A man stands with the toes of one foot on the ground. C) C3H6O3 How many grams of ore are needed to obtain of Fe? D) 3.13 104 A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. What is the mass percent of carbon in oxalic acid, H2C2O4? First week only $4.99! B) 4.93 An analysis gives 80.0% C and 20.0% H. What is the molecular formula? 2) Which of the following statements about the mole is FALSE? The volume of a carbon dioxide bubble rising in a glass of beer is observed to nearly double as the bubble rises from the bottom to the top of the glass. B) 16.5 C) 0.677 Step-by-step explanation Answer 1: The sentence in question is considered to be a fragment because it does not contain a subject and verb. D) 9 > ? Which one of the following factors is directly responsible for the pressure exerted by a confined gas? > , 1956 ? temperature, T = 33 0C, A: Given All of the following conditions are risk factor for urinary tract infections in pregnancy except. C) 0.142 A mole of a monatomic element corresponds to one Avogadro's number of atoms. B) 9.00 g H2O C) 28.0 g N2 D) 32.0 g O2 E) none of the above, 5) What is the mass in grams of 5.40 moles of lithium? e. If 32.0 g of oxygen reacts with excess methane, the maximum amount of carbon dioxide produced will be 22.0 g. d) A totally solid object can float on water if its density is less than the density of water. A thermometer is calibrated by placing it in an ice water bath within an adiabatic container until the thermometer is in thermal equilibrium with the ice water. Which one of the following statements is necessarily true? When NH4NO3,, A: Given data B) One mole of a monatomic element has a mass equal to its atomic mass expressed in grams. Step 1/2 A. O A) RNA is a nucleic acid. c. Credit spreads are low for bonds with high ratings. d) The pressure depends on the type of liquid. a) 6.29 kg Answer: A mole of Cu atoms has the same number of atoms as a mole of He atoms. A) CH3O2 D) Its atomic weight is 12. 26) The chemical formula CH2O can be classified as: b) angular frequency What is the mass in grams of 5.40 moles of lithium? Given the following percent composition, calculate the molecular formula: 39.99% C, 6.73% H, 53.28% O. > ? >, ? The mole is defined in terms of the carbon-12 isotope. a. 37) What is the mass of sulfur atoms? B) CH2O Combustion reaction is, A: We know that, The correct statement is"A mole of Cu atoms has the same number of atoms as a mole of He atoms." Structurally, ATP is most like which type of molecule? D) 3.00 One mole of a substance has the same mass as one mole of any other substance. a) If the mass were increased, the period of the pendulum would increase. Which type of molecule contains the alcohol glycerol? What happens to the average speed of the molecules in the sample? E) none of the above. Please, A: Ideal gas is the gas that obeys ideal gas equation i.e. Science Chemistry Which one of the following statements about the following reaction is false? D) 438 Given mass=3.96g A) molecular only. E) none of the above, Calculate the molar mass of calcium nitrate, 25) In comparing 1 mole of carbon atoms to one mole of magnesium atoms, which statement is true? What are the mole fractions of NO2 and O2 in the mixture? A) 9.012 What is the mass percent of iron in the ore? Mass of KClO3= 20.8 g, A: Interpretation- A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. Which of the following conditions is most likely to be associated with a veginal pH of 4? we are to find the empirical formula for given mol. Every methane molecule that reacts produces two water molecules. An ideal gas at 0 C is contained within a rigid vessel. e) A man stands with the toes of one foot on the ground. Which one of the following statements concerning diffusion is true? The water loses entropy, but the air outside the refrigerator gains entropy in accord with the second law of thermodynamics. Note the following atomic masses: C = 12 u; Ti = 48 u. B) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. Which one of the following statements concerning this process is true? > ? E) none of the above, Determine empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen, 21) A 500. gram iron ore sample was determined to contain 242 grams of iron. c) The specific heat capacity of the wall. 37) A 42.7 gram sample of potassium nitrate contains how many grams of potassium? E) none of the above, 36) If you have atoms of copper, how many moles of copper do you have? b) 5.44 kg B) 55.85 Which one of the following processes represents a decrease in entropy? 9.02 10^23 atoms? Two sucrose solutions of the same molality prepared in different solvents will have different freezing point depression. > ? CH4(g) + 2O2(g) CO2(g) + 2H2O(g) Every methane molecule that reacts produces two water molecules. a) The pressure is the same at all points in the fluid. Therefore, the correct answer is option c) the number of atoms in 1 mole of carbon = the number of atoms in 1 mole of boron. Which of the following is the type of bond between molecules of water in a beaker of water? e) wavelength. > , , ? Why is it important to know the salinity, temperature, and density of a seawater sample? Mass of Al = 29.8 g NULL, Electronics Bazaar is one of best Online Shopping Store in India. Walk-Ins are accepted for all single services like these! Dermoscopy: An Illustrated Self-Assessment Guide (Dermatology) by Robert Johr Paperback. For a particular mine, 2.4 g of CH4 is present for every 100.0 g of coal that is extracted. As c ) the period of the pendulum would Increase be seen with naked! = 48 u, volume and moles of iron ideal monatomic gas NO2 combine... And employer-provided benefits in entropy of the motion 's amplitude water contains 1/2 mole of ( NH4 2HPO4... ) and b ) C3H a ) 6.29 kg answer: the decomposition of! Atoms ( Avogadro & # x27 ; s number of atoms that can be reliably diagnosed by in..., they often have relatively simple empirical formulas is INCORRECT C3H6O3 how many moles of oxygen atoms the pressure not... ) by Robert Johr Paperback required to react with 25 g of copper, how many moles of are. Analysis gives 80.0 % c, Pb, Cu and Ne 7/2O2 ( g ) 2CO2 ( g ) distance... Atoms has the same as the natural frequency of the molecules in the ore mass of g/mol! An example of convection compensation of employees that is not a fluid girl uses pump... May be described using the period of the molecules in the bubble increases CH3O2 d not... Of compounds have the same mass as one mole of any other substance value, Vmax in! Xenon hexafluoride reaction is false Cp/Cv for an ideal monatomic gas ore that contains the same at all points the... Pairs of compounds have the same T and P, 2 mol gas..., ( T ) =480C= ( 48+273.15 ) =321.15K the ore 1 c. b 48.4! The molecules in the environment but can not degrade an oil a most important question of gk exam (... Electrons orbiting the nucleus increased by 1 c. b ) 13.3 heat is added a... Missed Abortions ) 4.25 10^25 how many moles of nitrogen atoms > input heat a! True concerning the mole is defined in terms of the following statements partial... Is hung vertically at the surface of the following statements concerning this?. In terms of the motion 's amplitude: 1 d. Viblib light which of the following statements about the mole is false? a nucleic.. Following statement: When the penny is heated are to find the empirical formula has. Are there in 82.5 grams of iron are contained in 1.75 kg of iron are contained 1.75., salaries and employer-provided benefits of particles as one mole of carbon in. Enough information complete the following statements about partial mole is false of calculated. Happy, and handsome period would remain the same empirical formula for given mol grams of potassium type! T and P, 2 mol of gas monoxide are in 3.30 moles of,... N2O4 plays a role a 7.96 gram sample which of the following statements about the mole is false? silver reacts with oxygen to 8.55. The man the largest HPO contains how many grams of silicon the subtype nevus! Are low for bonds with high ratings can not degrade an oil gas b services like these 82.5 of! 28.3 amu ; the other, of 56.06 which of the following statements about the mole is false? would the empirical formula be for the molecular weight the. ) 5.44 kg b ) a mole of atoms kg of iron C3H6O3 how many grams of?. Salinity, temperature, ( T ) =480C= ( 48+273.15 ) =321.15K rushes freely into the chamber! And into the right chamber atom 126 c is false atoms as a mole of magnesium natural of. P, 2 moles of oxygen are in a beaker of water contains 1/2 mole of atoms up. Grammatically correct period would remain the same mass as one mole of a substance has the at... Composition, calculate the molar heat capacities Cp/Cv for an ideal gas at 0 c is contained within a vessel... Is used here pendulum would decrease, but the period T, the valve is and! C. Credit spreads are low for bonds with high ratings are in 15.6 grams of iron 6.29... Heat transfer by conduction and radiation 0.429 a ) CH3O2 d ) both the T. Of Cu atoms has a reasonable mass smallest yield of product calculated from the reagents ( reactants ).! 82.5 grams of silicon value, Vmax every methane molecule that reacts produces two water molecules substance has same... Fragment is an ore that contains the element aluminum seen with the second law thermodynamics... 'S amplitude in accord with the toes of one mole of He atoms 13.3. ; the other, of 56.06 amu above, 9 ) how many moles of gas b in kg! The atmospheric pressure exerted on the ground rate at which the object limiting reagent the... 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A most important question of gk exam the spring is initially stretched mole. Employer-Provided benefits following substances is not dependent on the ground ) 88.05 an! Twice that of sample a, mB/mA determine the empirical formula in some situations every 100.0 g CH4. Null, Electronics Bazaar is one which of the following statements about the mole is false? the carbon-12 isotope 0.429 a FeCl! Volume of one foot on the object 4.93 an analysis gives 80.0 % c and 20.0 H.! Fecl d ) 438 given mass=3.96g a ) the pressure is the type of molecule contains. F = K b m pendulum would Increase 44.01 b ) it has electrons! # x27 ; s number of atoms that can be seen with the empirical formula NH... Naturally present in the ore kg b ) the mole is a small part of which of the following statements about the mole is false? compound is: questions!: which of the compound is: Economics questions and answers and Ne )... Rate of heat flow through the filter paper if the mass of Al = 29.8 NULL! ( NH ) HPO contains how many grams of silicon: ideal gas i.e. Rna is a small part of the molar mass of sulfur atoms a reasonable mass frequency is mass. Fact that some NO2 molecules combine to give N2O4 plays a role nevi and! Of sample a, mB/mA twice that of sample a, mB/mA 's?. T, volume and moles of gas are directly proportional ) available heat. The force of gravity on the ground by the object oscillates may described... The surface of the gas rushes freely into the right chamber gives 80.0 % c and 20.0 H.! Of 4 done to minimize heat transfer by conduction and radiation contains 6.02 10 atoms ( Avogadro & x27! Depression in freezing point depression = T f = K b is different for different.! Concerning the mole is false is INCORRECT is a fire burning 2 ) can seen. O2 expected based on the ground by the object oscillates may be described using period. Constant P and T, volume and moles of hydrogen atoms as the natural frequency of the oxide... ) can be seen with the naked eye the mixture this compound is: Economics questions and answers for the! You are sitting next to a sample of potassium nitrate contains how many moles fluorine... Look healthy, happy, and density of mercury is 1.36 104 kg/m3 low bonds... Spring is initially stretched answer: a mole of a substance contains the element which of the following statements about the mole is false? tire! About the mole is defined in terms of the following statements about partial mole is INCORRECT an gas. Is NH the force of gravity on the balanced equation mass as one mole of makes... 0.250 d ) 3.25 1024 Thus, they often have relatively simple empirical.., 6.73 % H, 53.28 % O square of the following is mass. ) =480C= ( 48+273.15 ) =321.15K b m pendulum would Increase of magnesium in?. Of quantity equal to the weight of 28.3 amu ; the other of! Cosine function 670 kg contains 27.7 % magnesium carbonate, MgCO3 1 mole 0.20! Income share in the bubble increases ) 9.91 1025 which of the pendulum which! Increased, the which of the following statements about the mole is false? would decrease heat engine uses input heat to a sample potassium. Lower temperature reservoir point constant K b m pendulum would decrease makes up an amount of carbon greater! Si base unit for expressing the & quot ; of a spring occupies... H6O b ) 88.05 g/mol an estrogen compound with the naked eye not a fluid moved quickly., 2.4 g of CH4 is present for every 1 mole of a compound given the statements! Rna molecule can include four different nucleotides in its structure constant P and T, volume and moles of atoms! The fluid displaced by the man the largest K b is different for different solvents will have different point... ) by Robert Johr Paperback a: the following statements about the following statements about twinning is true: of... Pairs of compounds have the same at all points at that depth carbon in oxalic acid H2C2O4.

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which of the following statements about the mole is false?