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How much heat is gained by cu when 51. 8 g of cu is warmed from 15. 5°c to 76. 4°c? the specific heat of cu is 0. 385 j/(g · °c). show the set up and answer with unit

Sagot :

The heat is gained by Cu when 51. 8 g of Cu is warmed from 15. 5°c to 76. 4°c If the specific heat of Cu is 0. 385 j/(g · °c) is 999.42 J.

What is specific heat?

Specific heat is defined as the heat which is required to raise the temperature by 1°C of the unit mass of a given substance by a given amount.

We are required to calculate the quantity of heat energy gained by Cu

As we know that,

Q = m × c ×∆T

where,

Q is the quantity of heat energy

m is mass of substance = 0.051kg

c is specific heat of substance = 385J/kg.°C

∆T is change in temperature = 50.9

By substituting all these value we will get,

Q = 0.051 × 385 × 50.9

Q = 999.42J

Thus, we calculated that the quantity of heat gained by 0.051kg of Cu is 999.42J.

learn more about specific heat:

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