Question

A balloon filled with hydrogen gas had a volume of 25000 L at a pressure of 760 mmHg and a temperature of 0 ∘C. When the balloon reached an altitude of 1000 m, the pressure was 628 mmHg and the temperature was − 9 ∘C. What was the volume in liters of the balloon at these conditions, if the amount of gas does not change?

A gas sample has a temperature of 23 ∘C with an unknown volume. The same gas has a volume of 462mL when the temperature is 88 ∘C, with no change in the pressure and amount of gas. What was the initial volume, in milliliters, of the gas?

Answer #1

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A gas-filled weather balloon has a volume of 60.0 L at ground
level, where the pressure is 763 mmHg and the temperature is 20.9
°C. After being released, the balloon rises to an altitude where
the temperature is –7.29 °C and the pressure is 0.0638 atm. What is
the weather balloon\'s volume at the higher altitude?

1.A helium-filled weather balloon has a volume of
811 L at 23 °C and
750 mm Hg. It is released and rises to an altitude
of 8.69 km, where the pressure is
281 mm Hg and the temperature is
-34 °C. The volume of the balloon at this altitude
is ______ L.
2.
A sample of hydrogen gas occupies a volume of
9.89 L at 44 °C and
0.944 atm.
If it is desired to decrease the volume of the...

a. A very flexible helium-filled balloon is released from the
ground into the air at 20. ∘C. The initial volume of the balloon is
5.00 L, and the pressure is 760. mmHg. The balloon ascends to an
altitude of 20 km, where the pressure is 76.0 mmHg and the
temperature is −50. ∘C. What is the new volume, V2, of the
balloon in liters, assuming it doesn't break or leak?
b. Consider 4.20
L of a gas at 365 mmHg...

A. A very flexible helium-filled balloon is released from the
ground into the air at 20. ∘C. The initial volume of the balloon is
5.00 L, and the pressure is 760. mmHg. The balloon ascends to an
altitude of 20 km, where the pressure is 76.0 mmHg and the
temperature is −50. ∘C. What is the new volume, V2, of the balloon
in liters, assuming it doesn't break or leak? Express your answer
with the appropriate units.
B. Consider 4.40...

A helium-filled weather balloon has a volume of 567 L at 20.9°C
and 758 mmHg. It is released and rises to an altitude of 8.24 km,
where the pressure is 306 mmHg and the temperature is –32.1°C. The
volume of the balloon at this altitude is L.

A weather balloon is inflated to a volume of 27.4 L at a
pressure of 739 mmHg and a temperature of 30.2 ∘C . The balloon
rises in the atmosphere to an altitude where the pressure is 370.
mmHg and the temperature is -13.4 ∘C .
Assuming the balloon can freely expand, calculate the volume of
the balloon at this altitude (in L).

All pressure–volume–temperature relationships for gases can be
combined into a single relationship known as the combined gas
law. This expression can be used when looking at the effect of
changes in two of these variables on the third as long as the
amount of gas (number of moles) remains constant. To use the
combined gas law properly, you must always express the temperatures
in kelvins. The combined gas law can be represented as follows:
P1V1/T1=P2V2/T2
1.)
A very flexible helium-filled...

A helium weather balloon is filled in Monterey,
California, on a day when the atmospheric pressure is 101,000 Pa
and the temperature is 38°C. Its volume under these conditions is
1.7 E 4 L. Upon being released, it rises to an altitude where the
temperature is -12°C, and its volume increases to 5.7 E 4
L.
A. Assuming that the internal pressure of the balloon equals the
atmospheric pressure, what is the pressure at this altitude?
B. In 1958, a...

A balloon is filled to a volume of 1.50 L with 3.00 moles of gas
at 25 °C. With pressure and temperature held constant, what will be
the volume of the balloon if 0.30 moles of gas are added?

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...

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