What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 l cylinder at 20°c? (given: r = 8.314 l∙kpa/k∙mol)

3248.0 kPa of pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C.

Explanation:

Using ideal gas equation:  

PV = nRT

P= pressure = ?

V= volume =  

n = no of moles = 10 moles

R= gas constant =0.0821 kPaL\molK

T= temperature =

Thus pressure exerted is 3248.0 kPa

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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