a certain volume of hydrogen was measured at 25 degree Celsius and 1.00 atmosphe

Question

a certain volume of hydrogen was measured at 25 degree Celsius and 1.00 atmosphere. what pressure will be necessary to decrease the volume by one-half of the temperature changes to 3 degree Celsius? a certain volume of hydrogen was measured at 25 degree Celsius and 1.00 atmosphere. what pressure will be necessary to decrease the volume by one-half of the temperature changes to 3 degree Celsius? a certain volume of hydrogen was measured at 25 degree Celsius and 1.00 atmosphere. what pressure will be necessary to decrease the volume by one-half of the temperature changes to 3 degree Celsius? a certain volume of hydrogen was measured at 25 degree Celsius and 1.00 atmosphere. what pressure will be necessary to decrease the volume by one-half of the temperature changes to 3 degree Celsius?

Explanation / Answer

Apply Ideal gas law

P1V1/T1 = P2V2/T2

P1 = 1 atm

V1 = V1

T1 = 25°C = 298 K

P2 = ?

V2 = 1/2*V1

T2 = 3°C = 3+273 = 276

so

substitute

P1V1/T1 = P2V2/T2

1*V1/(298) = (P2) * 1/2*V1/(276)

1/(298) = (P2) * 1/2/(276)

P2 = 276/298*2

P2 = 1.85234 atm

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