Question

When we add 16,000 J of heat to 4.0 Kg a substance,its temperature changes by 40.0 degrees Celsius.
What is the specific heat capacity of this substance?

• A. 100 Joules per kilogram degree Celsius
• B. 1600 Joules per kilogram degree Celsius
• C. 2,56,000 Joules per Kilogram degree Celsius
• D. 160,000 Joules per kilogram degree Celsius
• E. Not enough information is provided to answer this question.

Answer 1

The correct option is A 100 Joules per kilogram degree Celsius

Given : $m=4.0$ kg ;$Q=16000J$ ; $\Delta T=40.0$ ${}^{o}C$

Using $Q=mS\left(\Delta T\right)$

$\therefore$ $16000=4.0\times S\times 40.0$

$⟹S=100$ $J/k{g}^{o}C$