Question

1. A sample of **krypton** gas occupies a volume of
**9.48** L at **61.0**°C and
**407** torr. If the volume of the gas sample is
**increased** to **12.2** L, while its
temperature is **decreased** to
**5.0**°C, the resulting gas pressure will be what
torr?

2. A sample of **carbon dioxide** gas at a pressure
of **0.972** atm and a temperature of **225
°**C, occupies a volume of **520** mL. If the
gas is **heated** at constant pressure until its
volume is **739** mL, the temperature of the gas
sample will be what °C?

3.A sample of **helium** gas at a pressure of
**0.645** atm and a temperature of **22.4
°**C, occupies a volume of **18.6** liters. If
the gas is **allowed to expand** at constant
temperature to a volume of **33.0** liters, the
pressure of the gas sample will be how much atm?

Answer #1

Charles's Law:
a.) A sample of krypton gas at a pressure of 1.02 atm and a
temperature of 167 oC, occupies a volume of 587 mL. If
the gas is heated at constant pressure until its volume is 849 mL,
the temperature of the gas sample will be
__________oC.
b.) A sample of methane gas at a pressure of 683 mm Hg and a
temperature of 79 oC, occupies a volume of 13.4 liters.
If the gas is cooled at...

A sample of krypton gas at 287 K and 0.808 atm occupies a volume
of 4.78 L. If the gas is compressed into a smaller volume, while at
the same time it is heated to a higher temperature, the final gas
pressure will be lower than 0.808 atm. could be higher or lower
than 0.808 atm depending on the final volume and temperature. will
be higher than 0.808 atm.
A sample of xenon gas at 310 K and 0.563 atm...

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...

(a) A piston at 1.5 atm contains a gas that occupies a volume of
3.5 L. What pressure would have to be placed on the piston to force
the volume to adjust to 0.17 L?
______atm
(b) A piston at 120.0°C contains a gas that occupies a volume of
2.5 L. To what temperature would the gas have to be heated to
increase the volume to 4.8 L at constant pressure?
_______ °C
(c) A piston at 4145 torr contains...

A sample of oxygen gas occupies a volume of 7.79 L at 56.0°C and
1.17 atm.
If it is desired to increase the volume of the gas sample to
9.70 L, while increasing its pressure to 1.54 atm, the temperature
of the gas sample at the new volume and pressure must be-------
°C.

(a) A piston at 4.9 atm contains a gas that occupies a volume of
3.5 L. What pressure would have to be placed on the piston to force
the volume to adjust to 1.3 L?
_____atm
(b) A piston at -57.0°C contains a gas that occupies a volume of
2.5 L. To what temperature would the gas have to be heated to
increase the volume to 5.4 L at constant pressure?
_____°C
(c) A piston at 145 torr contains a...

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...

A sample of ideal gas at room temperature occupies a volume of
36.0 L at a pressure of 692 torr . If the pressure changes to 3460
torr , with no change in the temperature or moles of gas, what is
the new volume, V2?

Charles's Law
A sample of helium gas at a pressure of 0.905 atm and a temperature
of 230°C, occupies a volume of 615mL. If the gas is cooled at
constant pressure until it's volume is 523mL, the temperature of
the gas sample will be ____°C
A sample of oxygen gas at a pressure of 960 mm Hg and
a temperature of 81°C, occupies a volume of 14.9 liters. I the gas
is heated at constant pressure at a temperature of...

Part A
A sample of ideal gas at room temperature occupies a volume of
27.0 L at a pressure of 202 torr . If the pressure changes to 1010
torr , with no change in the temperature or moles of gas, what is
the new volume, V2?
Express your answer with the appropriate units.
Part B
If the volume of the original sample in Part A (P1 =
202 torr , V1 = 27.0 L ) changes to 60.0 L...

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