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Calculate how much faster fluorine gas, F2, will effuse than chlorine gas, Cl2.
1.9 x faster
1.6 x faster
0.73 x faster
1.4 X faster
At constant pressure and 25 °C a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?
Which of the following represent an equality that is TRUE?
101.3 kPa = 1 torr
273 torr = 101.3 kPa
101.3 atm = 760 kPa
1 atm = 760 torr
Under what conditions of temperature and pressure is the behavior of real gases most like that of ideal gases?
high temp and high press
low temp and low press
low temp and high press
high temp and low press
A Kelvin temperature that is equivalent to 500 °C is:
"Absolute zero" is equal to:
0 °C and -273 K
273 K and 0 °F
0 K and -273 °C
273 °F and 0 °C
What is the pressure (in atm) exerted by 32 g of O2 in a 22.0 L container at 30.0 C?
Standard pressure is equal to:
760 atmospheres and 273 kPa
1 torr and 760 atm
0 atmosphere and 760 torr
760 torr and 1 atm
A gas has a volume of 450. mL at 30.5 psi. What volume would the gas occupy if the pressure was changed to 1.0 atm?
A mixture of gases at a total pressure of 95 kPa contains N2, CO2 and O2 gases. The partial pressure of the CO2 is 24 kPa and the partial pressure of the N2 is 48 kPa. What is the partial pressure of the O2?
The safefty limit for a certain can of aerosol spray is 95C. If the pressure of the gas in the can is 2.96 atm when it is 17 C, what will the pressure be at the safety limit?
Helium gas is collected over water at 25 C. What is the partial pressure of the helium gas, given the total pressure is 750.0 mmHg? The partial pressure of water at 25 C is 23.8 mmHg.
A container filled with helium gas has a pressure of 127.5 kPa at a temperature of 290.K. What is the temperature when the pressure is 3.51 kPa?
Organize the following gases in order of their rates of difusion, from slowest to fastest:
◦carbon dioxide, CO2
hydrogen, oxygen, ammonia, carbon dioxide
carbon dioxide, oxygen, ammonia, hydrogen
hydrogen, ammonia, oxygen, carbon dioxide
oxygen, hydrogen, carbon dioxide, ammonia
An air filled balloon has a volume of 225 L at 0.941 atm and 25 C. Soon after, the pressure changes to 0.99 atm and the temperature changes to 0 C. What is the new volume of the balloon?
Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time?
A gas has a volume of 590 mL at a temperature of -55.0 C. What volume will the gas occupy at 30.0 C?
Which of the following is a valid pair representing STP?
760 torr and 273 °C
760 mm Hg and 0 K
273 K and 760 torr
1 atmosphere and 760 K
Which of these changes would NOT cause an increase in the pressure of a contained gas?
the volume of the container is increased
more of the gas is added to the container
the temperature is increased
the average kinetic energy of the gas is increased
Which of the following is constant for 1 mole of any ideal gas?
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