The volume of a gas 20°C is 100cm3 at normal pressure. If its is heated to 100°C, its volume becomes 125 cm3 at the same pressure, then volume coefficient of the gas is (At normal pressure)
0.0033/°C
0.0030/°C
0.0025/°C
0.0021/°C
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The kinetic energy of one gm-molecule of a gas at normal temperature and pressure is (R = 8.31 J/mol-K)