Answer:
0.75kg
Explanation:
Q = mL
Where, Q = quantity of heat
m= mass in kg
L = specific latent heat (J/kg)
Given,
Q= 1695KJ = 1695000J
mass (m) = ?
L = 2.26×10"6 J/kg = 2260000J/kg
Q = mL
m = Q/L
m= 1695000 ÷ 2260000
m = 0.75kg
Mass = 0.75kg
Note: Specific latent heat of vaporization is the quantity of heat required to change a unit of mass of liquid to gaseous state at constant temperature (boiling point) and pressure
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