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A 19.0 L helium tank is pressurized to 27.0 atm. When connected to this tank, a...
A 16.0 L helium tank is pressurized to 22.0 atm. When connected to this tank, a balloon will inflate because the pressure inside the tank is greater than the atmospheric pressure pushing on the outside of the balloon. Assuming the balloon could expand indefinitely and never burst, the pressure would eventually equalize causing the balloon to stop inflating. What would the volume of the balloon be when this happens? Assume atmospheric pressure is 1.00 atm. Also assume ideal behavior and...
An ideal gas is allowed to expand from 7.20 L to 10.8 L at constant temperature. By what factor does the volume increase? factor: The pressure will decrease by that same factor. increase by that same factor. If the initial pressure was 113 atm, what is the final pressure? Pinal = The volume of a sample of hydrogen gas was decreased from 14.32 L to 7.61 L at constant temperature. If the final pressure exerted by the hydrogen gas sample...
A balloon filled with 2.00 L of helium initially at 1.35 atm of pressure rises into the atmosphere. When the surrounding pressure reaches 500. mmHg, the balloon will burst. If 1 atm = 760. mmHg, what volume will the balloon occupy in the instant before it bursts?
You have a tank of compressed helium that has a volume of 12 L and a pressure of 12 atm. You filled party balloons that hold 3 liters each, here in San Francisco. How many party balloons could be filled? The temperature and n are constant. Remember the tank holds 12 L of helium even at atmospheric pressure.
A helium-filled balloon at 1.00 atm pressure has a volume of 1.200 L. It is placed in a freezer and its volume decreases, stopping at 1.010 L. (Assume that the static internal and external pressures are equal, that the balloon contains only helium, and helium behaves as an ideal gas.) Calculate ΔE for the gas in the balloon.
A helium-filled balloon at 1.00 atm pressure has a volume of 1.320 L. It is placed in a freezer and its volume decreases, stopping at 0.990 L. (Assume that the static internal and external pressures are equal, that the balloon contains only helium, and helium behaves as an ideal gas.) Calculate ΔE for the gas in the balloon.
A balloon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a volume of 160.0 L and a pressure of 109.0 atm at 25.0 °C. After a while she notices that the valve has not been closed properly. The pressure had dropped to 99.0 atm. (The tank is still at 25.0 °C.) How many moles of gas has she lost?
A helium balloon has a volume of 6.9 L at 28.5 °C and 1.00 atm pressure. The balloon rises to an altitude where the air pressure is 0.76 atm and the temperature is -21.0 °C. What is its volume when it reaches equilibrium at this altitude? (Note: Neglect tension forces in the material of the balloon.)
A helium-containing balloon has a volume of 10.6 L and a pressure of 1.22 atm at a temperature of 27.9C. What will the pressure inside the balloon be if the temperature is lowered to -11.3C? Assume that the gas behaves ideally. Express your answer in units of atmospheres (atm) using at least three significant figures.
A balloon filled with helium gad at 1.00 atm occupies 15.5 L. What volume would the balloon occupy in the upper atmosphere, at a pressure of 0.25 atm and a constant temperature?