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The specific heat capacity of a metal at...

The specific heat capacity of a metal at low temperature (T) is given as
`C_(p)(kJK^(-1) kg^(-1)) =((T)/(400))^(3)`
A 100 gram vessel of this metal is to be cooled from `20^(@)K` to `4^(@)K` by a special refrigerator operating at room temperaturte `(27^(@)C)` . The amount of work required to cool the vessel is

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The specific heat capacity of a metal at low temperature (T) is given as C_(p)(kJK^(-1) kg^(-1)) =32((T)/(400))^(3) A 100 gram vessel of this metal is to be cooled from 20^(@)K to 4^(@)K by a special refrigerator operating at room temperaturte (27^(@)C) . The amount of work required to cool the vessel is

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