# How much energy is required to melt 1.5 kg of lead?

##### 1 Answer

Jun 6, 2017

#### Answer:

#### Explanation:

The enthalpy of fusion (energy need to change state from solid to liquid) of lead is 4.77 kJ/mol (so it takes 4.77 kJ to melt one mole of lead).

We need to find the number of moles (

From periodic table, M=207.2g/mol

Therefore,

Energy

Energy