Physics

Physics, 31.07.2019 13:00, tatertott6876

In a container which can expand or contract (like a balloon), increasing the outside pressure pushing in on a balloon filled with a gas the volume the gas occupies. a. decreases b. has no effect c. increases

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Physics, 28.07.2019 22:00, littleprinces

Why does a partially inflated weather balloon expand as it rises? the balloon itself stretches over time. air pressure inside the balloon decreases as the balloon rises. a change in temperature causes the balloon to expand. air pressure pushing in on the balloon decreases as the balloon rises.

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Chemistry, 20.09.2019 03:10, arulanreddy3754

Ahot-air balloon is filled with air to a volume of 3000 m3 at 750 torr and 21°c. the air in the balloon is then heated to 60.°c, causing the balloon to expand to a volume of 5000. what is the ratio of the number of moles of air in the heated balloon to the original number of moles of air in the balloon? (hint: openings in the balloon allow air to flow in and out. thus the pressure in the balloon is always the same as that of the atmosphere.)

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Chemistry, 27.09.2019 03:30, catty7343

Ahot-air balloon is filled with air to a volume of at 750. torr and 21°c. the air in the balloon is then heated to 58°c, causing the balloon to expand to a volume of . what is the ratio of the number of moles of air in the heated balloon to the original number of moles of air in the balloon? (hint: openings in the balloon allow air to flow in and out. thus the pressure in the balloon is always the same as that of the atmosphere.) ratio = 1

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Physics, 01.11.2019 07:31, mshurney

A13.0 l helium tank is pressurized to 28.0 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 constant temperature.

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