# Problem: How much energy (kJ) is required to vaporize 158 g of butane (C4H10) at its boiling point, if Δvap is 24.3 kJ/mole?(a) 15.1 kJ(b) 66.1 kJ(c) 89.4 kJ(d) 11.2 kJ(e) 38.4 kJ

###### FREE Expert Solution

Use the mole concept to determine the energy needed to vaporize 158 g of butane

In this case, we need to calculate for the molar mass of C4H10 to properly convert mass to kJ needed.

The molar mass of C4H10 will appear as:

92% (81 ratings) ###### Problem Details

How much energy (kJ) is required to vaporize 158 g of butane (C4H10) at its boiling point, if Δvap is 24.3 kJ/mole?

(a) 15.1 kJ

(b) 66.1 kJ

(c) 89.4 kJ

(d) 11.2 kJ

(e) 38.4 kJ

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