Find the heat necessary to change 2.5kg of water (ice) at -2 degrees C to steam at 105 degrees C.
specific heat ice= 2060
specific heat water= 4180
specific heat steam= 2020
heat of fusion= 3.34X10^5
heat of vaporization= 2.26X10^6
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One mole of diatomic ideal gas is carried around the cycle shown in fig.2. The temperature and pressure at state D are 300-k and 1.01*10
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