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Category > Physics Posted 08 May 2017 My Price 6.00

Avogadro's number

1) There are 1.5 times as many molecules as Avogadro's number at a temperature of 2.5°C inside a sealed cube with dimensions 1.2 cm ✕ 1.2 cm ✕ 1.2 cm. How much force does the gas exert on one of the walls of the cube?

 

________N

 

2) What is atmospheric pressure on top of Mt. Everest on a day when water boils there at a temperature of 70.0°C?

 

________N/m^2

 

3) A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea level, where dry air contains 20.9% oxygen and has a total pressure of 1.01 ✕ 105 N/m2.

 

(a) What is the partial pressure (in N/m2) of oxygen at sea level? ________N/m^2

 

(b) If the diver breathes a gas mixture at a pressure of 3.00 ✕ 106 N/m2, what percent oxygen should it be to have the same oxygen partial pressure as at sea level?

___________%

Answers

SuperTutor
(15)
Status NEW Posted 08 May 2017 07:05 AM My Price 6.00

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