200g of water is contained in a beaker of mass 150 f at `20^(@)C`. The temperature of water is required to be raised to `80^(@)C`. It is given that the specific heat of water is `4.184 J//(g^(@)C)` and of glass is `0.78J//(g^(@)C)`. Then

Options

A. Heat required by water is 50.2 kJ
B. Heat required by glass is 7.0 kJ
C. Heat required by glass 9.4 kJ
D. Total heat required is 57.2 kJ

Answer

A, B, D

Explanation

`q = ms Delta t` fpr water and glass