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67. The specific heat of a metal is 0.16 cal g1. Theequivalentmass of the metal is 20.04, the correct atomic mass of themetal is(a) 40 (b) 20.04 (c) 40.08g (d) 80.16g |
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Answer» Specific heat of a metal is the measurement of amount of energy required to increase the temperature of 1 Kg of that metal by 1 Kelvin.The formula is ΔE=mcΔT.ΔE is the amount of energy required, m is the mass of the object , c is specific heat capacity, and ΔT is change in temperature.Now, as per this question, Atomic mass = 6.4/specific heat = 6.4/0.16 = 40g. |
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