If $100\text{ grams}$ of ice cubes at $0^\circ\text{C}$ completely melt into liquid water at…
If $100\text{ grams}$ of ice cubes at $0^\circ\text{C}$ completely melt into liquid water at $0^\circ\text{C}$, what will be the total mass of the water formed?
Less than $100\text{ g}$
Exactly $100\text{ g}$
Greater than $100\text{ g}$
$0\text{ g}$
Solution
During a change of physical state, mass is conserved, so $100\text{ g}$ of ice yields exactly $100\text{ g}$ of water.