1- The pressure inside a hydrogen-filled container was 2.10
pressure be if the container was heated to 89
2-At standard temperature and pressure (0
a volume of 22.4
. What would the
of an ideal gas occupies
. What volume would the same amount of gas occupy at the same pressure
3- A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one
end. The initial volume was 3.00
and the initial pressure of chlorine was 1.90
. The piston
was pushed down to change the volume to 1.00 . Calculate the final pressure of the gas if the
temperature and number of moles of chlorine remain constant.. (Figure 1)
4- A cylinder with a movable piston contains 2.00 of helium,
, at room temperature. More
helium was added to the cylinder and the volume was adjusted so that the gas pressure remained
the same. How many grams of helium were added to the cylinder if the volume was changed from
? (The temperature was held constant.)
5- At 4.00
, an expandable vessel contains 0.864
of oxygen gas. How many liters of
oxygen gas must be added at constant temperature and pressure if you need a total of 1.84
oxygen gas in the vessel?
6- which of the following relationships are correct according to Boyle’s law?
7-A certain gas is present in a 11.0
cylinder at 2.0
the volume of the gas decreases to 5.5
, the final value of
. Find the two constants
, the initial value of
, to verify whether the gas obeys Boyle’s law.
8-If a certain gas occupies a volume of 20
when the applied pressure is 10
pressure when the gas occupies a volume of 5.0
, find the
9- How many air molecules are in a
pressure of 1.00
pressure. If the pressure is increased to
, a room temperature of 20.0
room? Assume atmospheric
, and ideal behavior.
10- Imagine that you have a 7.00 gas tank and a 3.00 gas tank. You need to fill one tank with
oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the
larger tank with oxygen to a pressure of 155
, to what pressure should you fill the acetylene
tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
11-What will the pressure inside the container become if the piston is moved to the 1.80
while the temperature of the gas is kept constant?
12-The gas sample has now returned to its original state of 1.00
What will the pressure become if the temperature of the gas is raised to 200.0
not allowed to move?
and the piston is
13-The gas described in parts A and B has a mass of 1.66 grams. The sample is most likely which
14- When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas
via the reaction
What is the mass of calcium carbonate needed to produce 57.0
of carbon dioxide at STP?
, is a component of natural gas that is used as fuel for cigarette lighters. The
balanced equation of the complete combustion of butane is
, what is the volume of carbon dioxide formed by the combustion of
16- Calculate the density of oxygen,
, under each of the following conditions:
Express your answers numerically in grams per liter. Enter the density at STP first and separate
your answers by a comma.
17-To identify a diatomic gas (
), a researcher carried out the following experiment:
She weighed an empty 1.7- bulb, then filled it with the gas at 1.20
and weighed it again. The difference in mass was 2.3 . Identify the gas.
18- What is the partial pressure of argon,
flask is filled with 1.45
, in the flask?
of argon at 25
same flask until the total pressure is 1.40
19- What is the partial pressure of ethane,
. A sample of ethane vapor is added to the
, in the flask?
20- In an effusion experiment, it was determined that nitrogen gas,
, effused at a rate
1.812 times faster than an unknown gas. What is the molar mass of the unknown gas?
21- 15.0 moles of gas are in a 3.00 tank at 20.0
. Calculate the difference in pressure
between methane and an ideal gas under these conditions. The van der Waals constants
for methane are
Based on the given van der Waals constants, arrange these hypothetical gases in order of
decreasing strength of intermolecular forces. Assume that the gases have similar molar
24-To prevent tank rupture during deep-space travel, an engineering team is studying the
effect of temperature on gases confined to small volumes. What is the pressure of 2.80
measured at 251
in a 1.75-
container assuming ideal behavior?
25- To prevent tank rupture during deep-space travel, an engineering team is studying the effect
of temperature on gases confined to small volumes. What is the pressure of 2.80
measured at 251
in a 1.75-
container assuming real behavior?