chem please help?

Question

Some properties of aluminum are summarized in the following list.


normal melting point 658°C
heat of fusion 3.95 kJ/g
normal boiling point 2467°C
heat of vaporization 10.52 kJ/g
specific heat of the solid 0.902 J/g°C

(a) Calculate the quantity of energy required to heat 1.00 mol of aluminum from 25°C to its normal melting point.
kJ
(b) Calculate the quantity of energy required to melt 2.00 mol of aluminum at 658°C.
kJ
(c) Calculate the amount of energy required to vaporize 1.00 mol of aluminum at 2467°C.
kJ

Answer 1

Use H= mL and H = ms del T