__NH3 + __O2 → __NO + __H2O How many moles of water are produced from 2.48 g of oxygen?
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Answer : (C) The heat of fusion for water is the amount of energy needed for water to melt.
Explanation :
Heat of fusion : It is calculate the amount of energy required for melting of a substance to change its states from solid to liquid at constant pressure.
Fusion is a process in which phase changes from solid to liquid.
In case of water, the solid ice converted into liquid water by the process of melting.
The reaction of phase changes in water is,