Chemical Engineering Thermodynamics
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.

Less than
Equal to
More than
Either B or C; depends on the type of alloy

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Chemical Engineering Thermodynamics
Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm).

Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C
Pressure must be kept below 5.2 atm
Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively
Temperature must be kept above - 57°C

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Chemical Engineering Thermodynamics
A large iceberg melts at the base, but not at the top, because of the reason that

Ice at the base contains impurities which lowers its melting point
Due to the high pressure at the base, its melting point reduces
All of these
The iceberg remains in a warmer condition at the base

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