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One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?

August 30, 2021March 12, 2019 by admin

One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?

A. Hour
B. Day
C. Minute
D. Second

Categories Thermodynamics for Chemical

4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is_________________?

A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1 is_________________?

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