The specific heat of silver, measured at atmospheric pressure, is found to vary with temperature between 50 K and 100 K by the empirical equation:
c p = 0.076 T – 0.00026 T 2 – 0.15,
where c p is in cal/mol K and T is the kelvin temperature. Calculate the quantity of heat required to raise temperature of 216 g of silver from 50 to 100 K.
Text Solution
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Sol. Given:
(in cal/mol.K)
Mass of silver 
Molar mass of 
Moles 
Heat required:
Solving:
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