A. Directions. Read the following questions and choose the letter of the best answer. Writethe answer on a separate sheet of paper.1. Balance the gaseous chemical equation:_C3H8 +_O2 →_CO2+ _H2O a.1, 5, 3, 4ь. 2, 3, 4, 1c. 2, 10, 6, 8d. 4, 6, 8, 22. Which of the following is NOT a gas mixture?а. Airc. Chimney Fumes3. In which of the following gas mixtures of N2 and He is the partial pressure of He the greatest?a. 2 moles N2, 3 moles Heb. 3 moles N2, 1 mbles HeC. 4 moles N2, 2 moles Hed. 5 moles N2. 5 moles He4. Which of the following systems will have the greatest volume at STP? a.b. Smelly Fartsd. Butane1.00 g N2 (MM = 28 g/mol)b. 1.00 g NH3 (MM = 17g/mol)c. 1.00 g He (MM = 4 g/mol)d. 1.00 g CO2 (MM = 44 g/mol)35. Which of the following will contain the greatest number of molecules at 300K and 1 atmpressure?a. 0.01 Lb. 0.10Lc. 1.00 Ld. 10.0L6. How much carbon dioxide is there in a 3.4 L balloon at SATP? a.0.13 gb. 6.1 g0.15 molC.6.6 gd.7. In the reaction 2H2 2 + O2 (2) ¤ H2O@, how many liters of oxygen gas at STP will beneeded to react with 10 L of hydrogen gas at STP?a. 20.0b. 10.0 Lc. 5.00 Ld. 100 L8. Which of the following postulates of the Kinetic Molecular Theory for gases explainswhy gases exhibit pressure?a. The molecules are in constant random motionThe distance between the molecules is greatc. The molecules collide with the walls of the vesseld. The molecular kinetic energy depends on the temperature.9. How will a velocity of a gas molecule vary if its molecular weight is increased from 32g/mol to 64 g/mol?b.c. It will double.d. Nothing happens.a. It will increase.b. It will decrease.10. Which of the following gases is the fastest: He, O2, CO2, NH3?a. O2b. CO2с. Неd. NH3

Since you have posted question with multiple sub-parts, we will solve first three sub-parts for you.…

1. Balance the gaseous chemical equation:_C:Hs +_02 →_CO2+_H»Oa. 1,5, 3, 4 c. 2, 10, 6, 8 d. 4, 6, 8, 2 2. Which of the following is NOT a gas mixture? a. Air c. Chimney Fumes 3. In which of the following gas mixtures of N2 and He is the partial pressure of He the greatest? a. 2 moles N2, 3 moles He b. 3 moles N2, 1 mbles He C. 4 moles N2, 2 moles He d. 5 moles N2, 5 moles He b. Smelly Farts d. Butane

1. Balance the gaseous chemical equation:_C:Hs +_02 →_CO2+_H»Oa. 1,5, 3, 4 c. 2, 10, 6, 8 d. 4, 6, 8, 2 2. Which of the following is NOT a gas mixture? a. Air c. Chimney Fumes 3. In which of the following gas mixtures of N2 and He is the partial pressure of He the greatest? a. 2 moles N2, 3 moles He b. 3 moles N2, 1 mbles He C. 4 moles N2, 2 moles He d. 5 moles N2, 5 moles He b. Smelly Farts d. Butane

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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