Difficult# Energy Required to Turn a Solid Into a Gas

APPH12-JRRVE$

How much energy is required to turn a $10$ $kg$ block of ice ($T$ $=$ ${ 0 }^{ \circ }C$) into a gas ($T$ $=$ ${ 100 }^{ \circ }C$) of the same mass?

(${ L }_{ f }$ $=$ $3.35\cdot { 10 }^{ 5 }$ $ \frac { J }{ kg }$; ${ L }_{ v }$ $=$ $2.26\cdot { 10 }^{ 6 }$ $ \frac { J }{ kg }$; ${ c }_{ water }$ $=$ $4179$ $\frac { J }{ kg^{ \circ }{ C } })$