The Enthalpy Change for Converting 1 $\text { kJ. }$ The Specific Heats of Ice,water,and Steam Are

question 78

Multiple Choice

The enthalpy change for converting 1.00 mol of ice at -60.0°C to water at 80.0°C is ___________ $\text { kJ. }$ The specific heats of ice,water,and steam are $2.09 \mathrm { Jg } ^ { - 1 } { } ^ { \circ } \mathrm { C } ^ { - 1 }$ $4.18 \mathrm { Jg } ^ { - 1 } { } ^ { \circ } \mathrm { C } ^ { - 1 }$ and $1.84 \mathrm { Jg } ^ { - 1 } { } ^ { \circ } \mathrm { C } ^ { - 1 }$ respectively.For $\mathrm { H } _ { 2 }$ O, $\Delta _ { \text {fus } } H$ = 6.01 kJ mol^-1,and $\Delta _ { \text {vap } } H = 40.67 \mathrm {~kJ} \mathrm {~mol} ^ { - 1 }$ .

• A)9.77
• B)14.29
• C)8282
• D)13.17
• E)48.95

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