Chemical Engineering Thermodynamics
The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

160, 000 kW
320, 000 kW
100, 000 kW
200, 000 kW

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Chemical Engineering Thermodynamics
Law of corresponding states says that

, two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
No gas can be liquified above the critical temperature, howsoever high the pressure may be
The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories)
The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature

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