Question

1a. A sample of nitrogen gas in a 5.7-L container at a temperature of 19°C exerts a pressure of 3.1 atm. Calculate the number of moles of gas in the sample

1b. Given that 8.99 moles of carbon monoxide gas are present in a container of volume 30.90 L, what is the pressure of the gas (in atm) if the temperature is 95°C?

1c. Determine the molar mass of a gas with a density of 1.5877 g/L at 80.00°C and exactly 1 atm.

Answer #1

1a/ A sample of xenon gas at a pressure of
0.679 atm and a temperature of 282
°C, occupies a volume of 569 mL. If the
gas is cooled at constant pressure until its
volume is 476 mL, the temperature of the gas
sample will be (........) °C.
1b/ A sample of nitrogen gas at a pressure of
876 mm Hg and a temperature of 26
°C, occupies a volume of 10.1 liters. If
the gas is heated at constant...

1a. How many moles of carbon monoxide are required to react
completely with 3.38 L of oxygen gas according to the following
reaction at 0°C and 1 atm? carbon monoxide (g) + oxygen(g)carbon
dioxide (g) ____________ moles carbon
monoxide?
1b. What volume of hydrogen gas is required to react completely
with 1.21 mol of nitrogen gas according to the following reaction
at 0°C and 1 atm? nitrogen (g) + hydrogen(g)ammonia (g)
______________liters hydrogen gas?

1/ A sample of xenon gas that occupies a volume
of 42.7 L at a temperature of 0 °C and a pressure
of 1 atm contains (......) moles of gas.
2/ A sample of nitrogen gas collected at STP
occupies a volume of 13.4 L. How many moles of gas
does the sample contain? (.......) mol
3/ What volume is occupied by a 0.920 mol
sample of carbon dioxide gas at a temperature of 0
°C and a pressure of...

1a. What volume is occupied by a 0.555 mol sample of argon gas
at a temperature of 0 °C and a pressure of 1 atm? ________L?
1b. A sample of methane gas that occupies a volume of 22.2 L at
a temperature of 0 °C and a pressure of 1 atm contains________moles
of gas?

Ammonia is created in the Haber process in a rigid container
(nitrogen gas plus hydrogen gas react to form ammonia gas) at a
constant temperature. 5 moles of hydrogen gas are mixed with 10
moles of nitrogen gas. The initial pressure exerted on the
container is 10 atm. Assuming the reaction runs to completion, what
will the pressure (in atm) on the vessel be after the reaction
takes place?

1/ 0.987 mol sample of xenon
gas at a temperature of 19.0 °C is found to occupy
a volume of 28.2 liters. The pressure of this gas
sample is .... mm Hg.
2/ A sample of nitrogen gas collected at a
pressure of 477 mm Hg and a temperature of
278 K has a mass of 20.0 grams.
The volume of the sample is ...... L.
3/ A 4.97 gram sample of carbon
dioxide gas has a volume of 856...

If 3.00 moles of gas in a container has a volume of 60. L and at
a temperature of 400. K, what is the pressure inside the
container?
If 1.9 moles of a gas are held in a container at 5.00 atm and
4.8x103 mL, what is the temperature of the gas?
What is the mass of 72.6 L of hydrogen gas held at a temperature
of -48.0°C and a pressure of 680.4 mm Hg?

Consider 4.30 L of a gas at 365 mmHg and 20. ∘C . If the
container is compressed to 2.90 L and the temperature is increased
to 32 ∘C , what is the new pressure, P2, inside the container?
Assume no change in the amount of gas inside the cylinder.
What pressure would it take to compress 250. L of helium gas
initially at 1.00 atm into a 2.00 L tank at constant
temperature?
A balloon filled with 2.00 L...

Nitrogen gas is used to produce fertilizer. A sample of this gas
occupies a 2500 L tank at a pressure of 5.5 atm and a temperature
of 27.5°C. What is the mass in kilograms of nitrogen in the
tank?

A sealed container holds 0.020 moles of ideal nitrogen (N2) gas,
at a pressure of 1.5 atm and a temperature of 290 K. The atomic
mass of nitrogen is 14.0 g/mol. How many molecules of nitrogen are
in the container? (R = 8.31 J/mol • K, 1 atm = 101 kPa)

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