jaidenblakey jaidenblakey

17-01-2017
Chemistry

contestada

A silver ring has a mass of 138.45 g. how many calories of heat are required to increase the temperature from 11.8 c to 162.5 c?

Respuesta :

aaliyahjones56 aaliyahjones56

17-01-2017

A heat energy of 645

Answer Link

laurahai laurahai

17-09-2019

Answer:

1160 calories

Explanation:

The specific heat capacity of silver is 0.0558 cal·g⁻¹°C⁻¹. We can calculate the heat energy using the following equation:

Q = mcΔt = (138.45 g)(0.0558 cal·g⁻¹°C⁻¹)(162.5 °C - 11.8 °C)

Q = 1160 cal

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