Dry oxygen is trapped by a pellet of mercury in a uniform capillary tube which...
PHYSICS
WAEC 1998
Dry oxygen is trapped by a pellet of mercury in a uniform capillary tube which is sealed at one end. The length of the column of oxygen at 27°C is 50cm. if the pressure of the oxygen is constant, at what temperature will the length be 60cm?
- A. 360.0°C
- B. 240.6°C
- C. 237.0°C
- D. 87.0°C
Correct Answer: D. 87.0°C
Explanation
T1 = \(\frac{V_1T_2}{V_2} = \frac{60 \times (273 + 27)}{50}\)
= 360k
= 360 - 273
= 87.0oC
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