The pressure of the gas equals the atmospheric pressure plus h: P_gas = P _ atm

Question

The pressure of the gas equals the atmospheric pressure plus h: P_gas = P _ atm + h = 764.7 torr + (136.14 torr - 103.8 torr) = 797.3 torr We convert the pressure of the gas to atmospheres: P_gas = (797.3 torr) (1 atm / 760 torr) = 1.049 atm To calculate the pressure in kPa, we employ the conversion factor between atmospheres and kPa: 1.049 atm (101.3 kPa/1 atm) = 106.3 kPa Check: The calculated pressure is a bit more than one atmosphere. This makes sense because we anticipated that the flask would be greater than the pressure of the atmosphere acting on the manometer, which is a bit greater than atmosphere.

Explanation / Answer

Solution :-

Conversion ratio for the atm to Pa and kPa are given using them we can convert the atm to Pa and kPa

0.975 atm to Pa and Pka

1).Converting atm to Pa

0.975 atm * 101325 Pa / 1atm = 9.88*10^4 Pa

2) converting Pa to kPa

9.88*10^4 Pa * 1 kPa / 1000 Pa = 98.8 kPa

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