In each problem, use answer "e" if no correct answer is found.
 

Indicate the missing words in the following statement: "Gas laws describe in mathematical terms the relationships between the variables pressure, __________ and __________ for a fixed quantity of gas." a. temperature and chemical identity b. temperature and volume c. volume and chemical identity d. chemical identity and cost	Which of the following is not a unit used in measuring pressure? a. atmosphere b. inches Hg c. pounds Hg d. millimeters Hg
In terms of size, the atmosphere pressure unit is __________ than the mm Hg pressure unit. a. 100 times larger b. 760 times larger c. 1000 times larger d. 760 times smaller	Choose the correct answers to fill in the blanks. One mole of nitrogen gas at STP weighs______grams, occupies ______ liters and contains Avogadro's number of _____. a. 28g, 22.4L, molecules b. 14g, 22.4L, molecules c. 14g, 22.4L, atoms d. 28g, 11.2L, atoms
Which of the following statements best gives the kinetic molecular theory explanation of the Boyle's law observation of increased pressure due to decreased volume? a. particles have more kinetic energy b. particles increase in size c. particles strike container walls with more force d. particles strike container walls more frequently	8.00 liters of oxygen gas is under a pressure of 6 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? a. 15 mm Hg b. 3 mm Hg c. 120 mm Hg d. 24 mm Hg
Boyle's law involves which of the following: a. a direct proportion b. a constant volume c. a constant pressure d. a constant temperature	Indicate what the missing words are in the following statement of Charles' law:  At constant pressure, the volume of a gas sample is __________ proportional to its __________ temperature. a. directly, increased b. directly, Kelvin c. inversely, decreased d. inversely, Kelvin
The Charles' law observation of increased volume due to increased temperature would be explained using kinetic theory in the following way: The volume must increase so that a. the molecules will strike the container walls less often b. the molecules will strike the container walls more often c. the molecules can move faster d. the molecules can increase in size	According to the combined gas law, for a fixed amount of gas a. volume and pressure are directly proportional b. volume and pressure have no relationship to each other c. volume and Kelvin temperature are inversely proportional d. pressure and Kelvin temperature are directly proportional
If both the pressure and the Kelvin temperature of a gas are doubled, the volume will a. double b. quadruple c. be halved d. remain the same	The conditions known as STP are a. 760 atm and 273 K b. 760 mm Hg and 273oC c. 1 atm and 273 K d. 1 mm Hg and 273 K
What volume of H2 gas at 675 mm Hg and 25oC is required to produce 1.00 L of NH3 gas at the same temperature and pressure using the following chemical reaction? N2 + 3H2 = 2NH3 a. 1.00 L b. 1.50 L c. 1.84 L d. 3.00 L	The molar volume of a gas is the volume occupied at STP by a. 1 g of gas b. 6.02 x 1023 g of gas c. 22.4 g of gas d. 1 mole of gas
At standard conditions, one mole of any gas will occupy a volume of a. 1.0 liter b. 22.4 mL c. 22.4 L d. 22,400 L	What is the volume at STP, in liters, occupied by 10.3 g of N2 gas? a. 8.24 L b. 12.9 L c. 16.5 L d. 231 L
Three 1.0 L flasks filled with H2, O2 and He, respectively, are at STP. Which of the following statements concerning these gases is true? a. each flask contains the same number of atoms b. there are twice as many H2 and O2 molecules as there are He atoms c. there are twice as many He atoms as there are H2 or O2 molecules d. the number of H2 or O2 molecules is the same as the number of He atoms	The volume, in liters, occupied by 1.73 moles of N2 gas at 0.992 atm pressure and a temperature of 75oC is a. 10.7 L b. 33.8 L c. 49.8 L d. 52.2 L
In the reaction Fe2O3 + 3H2 = 2Fe + 3H2O how many moles of Fe can be produced using 17.4 liters of H2 at STP? a. 0.518 mole b. 0.777 mole c. 1.17 moles d. 11.6 moles	Of the following gases, the one with the greatest density at STP is: a. CO2 b. SO3 c. NH4 d. CO