a weighing thermometer contains 300gm of mercury at 0c when it is in boiling water 4.54gm of mercury expels what is the apparent coefficient of expansion of mercury
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The apparent coefficient of expansion of mercury is 295.46 /°C
Explanation:
The coefficient of the apparent expansion is increase in the volume of the liquid per unit original volume per degree rise in temperature.
Coefficient of real expansion = Coefficient of apparent expansion + Coefficient of expansion of vessel
Ar = Aa + Av
300 = Aa + 4.54
Aa = 300 - 4.54
∴ Aa = 295.46 /°C
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Answer:
Answer:
y*T*300/d=4.54/d
y=4.54/300*200
y=7.6*10^-5 C-1
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