Question

a total 54.0 joules of heat are absorbed as 58.3 g of lead is heated from 12.0 to 42.0. From these data what is the specific heat of lead

Answer 1

A total of 54.0 joules of heat are absorbed as 58.3 g of lead is heated from 12.0°C to 42.0°C. From these data, what is the specific heat of lead?

0.031 J/g °C

Answer 2

The specific heat of lead for the given temperature change is  0.031 J/g °C

What is specific heat?

The specific heat is the amount of energy required to change the temperature of 1kg object by 1°C.

Given is a  total heat Q= 54.0 J, mass of lead m =58.3g is heated from 12.0°C to 42.0°C, then the specific heat is given by

Q =msΔT

54 =58.3 x s x (42-12)

s =0.031 J/g °C

Thus, the specific heat is 0.031 J/g °C

Learn more about specific heat.

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