Chemistry

Chemistry, 04.08.2019 00:00, sswd

Compare the different pressures that result as you add air to a balloon and as you add air to a steel tank. if you answerd this question i will give you 70pts

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Chemistry, 25.06.2019 11:50, lucypackham9

Needif the volume of a balloon is compressed to 1/3 of its original volume, what will be the new pressure? a 12.2 l metal tank at stp contains three gases: oxygen, helium, and nitrogen. if the partial pressures of the three gases in the tank are 35.0 atm of o2, 5.0 atm of n2, and 25.0 atm of he, how many moles of each gas are present inside of the tank? a rigid container with a volume of 5.60 l holds 71.0 g cl2 gas (mm = 70.906 g/mol) and 4.00 g he gas (mm = 4.0026 g/mol). if the total pressure is 760 mm hg what is the partial pressure of both gases? if the moles in a balloon are quadrupled, multiplied by 4, what will happen to the volume of the balloon? 150 ml of oxygen is collected over water at 19.0oc and 0.95 atm. if the dry volume becomes 100 ml and the pressure becomes 1.00 atm, what will be the new temperature?

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Engineering, 20.09.2019 03:00, arangoaiden71

The mass of an insulated 0.6 m3 steel tank is 20 kg. the steel has a specific heat of 0.46 kj/kg·k. the tank is placed in a room where the surrounding air is 21°c and 101.3 kpa. after the tank is evacuated to 7 kpa and 21°c, a valve is suddenly opened, allowing the tank to fill with room air. the air enters the tank in a well mixed, turbulent condition. find the air temperature inside the tank after filling and after the gas and tank have reached thermal equilibrium, but before any heat loss from the tank to the room occurs.

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Chemistry, 10.10.2019 05:20, ayoismeisjjjjuan

An empty balloon is connected to a tank containing helium at 1.5 mpa and 25 °c. a valve connecting the tank and the balloon is opened until the diameter of the spherical balloon reaches a diameter of 1 m. at this point, the pressure of he inside the balloon is 500 kpa. assuming the whole process to be isothermic, determine the minimum volume that the tank must have to inflate this balloon to its 1 m diameter

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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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