Given:
Mass of water = 506 g
To determine:
The amount of energy released when 506 g of water freezes
Explanation:
The process involves a phase change from liquid water to solid
Liquid water ↔ Solid water/ice
Now, the molar enthalpy of fusion of water i.e. the energy released when water freezes is 334 J/g
Thus, the energy released corresponding to 506 g of water is-
= 506 g * 334 J/1 g = 169,004 J
Ans: Energy released = 169 kJ
When 506 of liquid water freezes, it releases 169 kJ of energy.
Freezing, also known as solidification, is a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point.
When water loses energy in the form of heat, it freezes. We can calculate that energy using the following expression.
Q = ΔH°fus × m
Q = 0.334 kJ/g × 506 g = 169 kJ
where,
When 506 of liquid water freezes, it releases 169 kJ of energy.
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