Question

Calculate how much energy is required to heat 50 g of mercury from -50°C to 750°C

Answer 1

Q=mcΔT

Where Q = energy

m= mass= 50

c= specific heat capacity of mercury =0.14J/gC

ΔT= change in temperature = 800k

$Q= 50×0.14×800=5600J$

Ans= 5600J