Dry hydrogen is trapped by pellet of mercury in a uniform capillary tube closed at one end. If the length of the column of hydrogen at 27°C is 1.0m. At what temperature will the length be 1.20m?

A. 22.5°C
B. 32.4°C
C. 77.0°C
D. 87.0°C
E. 360.0°C

Correct Answer:

Option D – 87.0°C

Explanation

V1/T1 = V2/T2

1.0/(273 + 27) = 120/T2

T2 = 360K = 87

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