Stoichiometry
A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be

-136.5°C
0°K
0°C
-136.5°K

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Stoichiometry
The heat capacity of a substance is

Equal for solid and liquid states below melting point
Lower for liquid state than for gaseous state
Higher for solid state than for liquid state
Greater for liquid state than for solid state

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Stoichiometry
Pick out the wrong unit conversion of heat transfer co-efficient.

1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K
1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C
1 kcal/m².hr.°K = 1.163 W/m².°C
1 W/m² . °C = 0.1761 BTU/ft².hr.°F

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