How much energy is added to change 180g of liquid water to gas at 100 degrees Celsius

40.7 kJ

Step-by-step explanation:

The formula for the heat, q, needed to evaporate a liquid is

q = mΔHvap

dа ta:

m = 180 g

ΔHvap = 2260 J/g

Calculation:

q = 180 g * 2260 / 1

q = 40 700 J = 40.7 kJ