Respuesta :

znk

Answer:

40.7 kJ  

Step-by-step explanation:

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

q = mΔHvap


Data:  

        m = 180 g

ΔHvap = 2260 J/g

Calculation:

q = 180 g × 2260 /1

q = 40 700 J = 40.7 kJ

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