The heat of fusion for zinc chloride is 40.4 calories per gram at the melting point of 275°C.How much heat is required to melt 500 g of zinc chloride at its melting point?
A)11.1 kcal
B)1.80 cal
C)12.4 cal
D)20.2 kcal

Multiple Choice

Related questions

Q 40

Ethylene dichloride is an effective cooling agent when allowed to evaporate.The heat of vaporization is 85.3 calories per gram.How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate?
A)31.6 cal
B)230 cal
C)0.00320 cal
D)0.00400 cal

Q 42

Given the following: heat of fusion of ice = 80.0 cal/g; specific heat of ice = 0.480 cal/g; and specific heat of water = 1.00 cal/g.Calculate the amount of heat required to melt 30.0 g of ice at 0C.
A)14.4 cal
B)2.41 cal
C)80.0 cal
D)2.40 kcal

Q 43

The heat of fusion of water is 80.0.What are the units associated with this number?
A)cal
B)cal / C
C)cal / gC
D)cal / g