Question

The specific heat capacity of graphite is 0.71 J/g°C. Calculate the energy required to raise the temperature of 750 g of graphite by 160°C.
Show your work.

Answer 1

Answer : The energy required will be, 85200 J

Solution :

Formula used :

$Q=m\times c\times \Delta T$

where,

Q = heat required = ?

m = mass of graphite = 750 g

c = specific heat capacity of graphite = $0.71J/g^oC$      

$\Delta T=\text{Change in temperature}$  = $160^oC$

Now put all the given values in the above formula, we get heat required.

$Q=(750g)\times (0.71J/g^oC)\times (160^oC)=85200J$

Therefore, the energy required will be, 85200 J

Answer 2

Q=mcdeltaT
Q=(750)(0.71)(160)
Q=85200j