Liquid ammonia is a common refrigerant because it absorbs so much heat energy when it turns from the liquid to a gas. the heat of vaporation of liquid ammonia is 1374 j/g. calculate the heat needed to turn 454 grams of liquid ammonia at its boiling point to ammonia gas at the same temperature

The heat required to vaporize 454 grams of liquid ammonia at its boiling point is 624 kJ.

Explanation:

Let's consider the vaporization of ammonia.

NH₃(l) ⇄ NH₃(g)

The heat of vaporization is 1374 J/g. The heat required to vaporize 454 grams of liquid ammonia at its boiling point is:

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