Determine the specific heat capacity of an alloy that requires 59.3 kj to raise the temperature of 150.0 g alloy from 298 k to 398 k. 4.38 j/g°c 1.87 j/g°c 2.53 j/g°c 3.95 j/g°c 2.29 j/g°c

Question

Karley Cisneros

Physics

15 April, 23:48

Determine the specific heat capacity of an alloy that requires 59.3 kj to raise the temperature of 150.0 g alloy from 298 k to 398 k. 4.38 j/g°c 1.87 j/g°c 2.53 j/g°c 3.95 j/g°c 2.29 j/g°c

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Answers (1)

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Kayley · Answer 1

The heat that is required to heat up a substance is calculated through the equation,

H = McpdT

where H is the heat, m is the mass, cp is the specific heat, and dT is the difference in the temperature.

To calculate for the cp,

cp = H/MdT

Substituting the known values,

cp = (59.3 x 10^3 J) / (150 g) (398 K - 298 K)

cp = 3.953 J/gC

Hence, the answer is the last choice.