Calculate the Total Quantity of Heat Required to Convert 25 $0.857 \mathrm {~J} \mathrm {~g} ^ { - 1 } { } ^ { \circ } \mathrm { C } ^ { - 1 }$

question 41

Multiple Choice

Calculate the total quantity of heat required to convert 25.0 g of liquid CCl₄(l) at 35.0 °C to gaseous CCl₄ at 76.8 °C (the normal boiling point for CCl₄) .The specific heat of CCl₄(l) is $0.857 \mathrm {~J} \mathrm {~g} ^ { - 1 } { } ^ { \circ } \mathrm { C } ^ { - 1 }$ its heat of fusion is $3.27 \mathrm {~kJ} \mathrm {~mol} ^ { - 1 }$ and its heat of vaporization is $29.82 \mathrm {~kJ} \mathrm {~mol} ^ { - 1 }$

• A)0.896 kJ
• B)1.43 kJ
• C)5.74 kJ
• D)6.28 kJ

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