A. Joules to condense 8.0 g of steam B. Kilojoules to condense 80.0 g of acetic

Question

A. Joules to condense 8.0 g of steam





B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
D. Kilojoules to vaporize 7.5 kg of water kg





B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
D. Kilojoules to vaporize 7.5 kg of water kg





B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
D. Kilojoules to vaporize 7.5 kg of water kg
B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
D. Kilojoules to vaporize 7.5 kg of water kg
B. Kilojoules to condense 80.0 g of acetic acid C. Joules to vaporize 41.5g of ammonia
Problem 10.48 Using the table given below, calculate the heat change needed for each of the following at the boiling/condensation point: Table Heats of Fusion and Heats of Vaporization for Selected Substances Melting Heat of Boiling Heat of Va- Liquid FormulaPoint Fu-sion Point porization( C) J/g)C) J/g) H2O Water EthanolC2H5 OH14 109 Ammonia NH3 AcetoneC3H6O-95 Acetic C2H4027 100 78 -33 56 1 18 2260 841 1380 335 390 334 351 99.3 192 -78 acid

Explanation / Answer

a . qreleased = n*DHvap

                 = (8*2260) = 18080 koule

b. q released = 80*390 = 31200 joule = 31.2 kj

c. q released = 41.5*1380 = 57270 joule

d. q absorbed   = 7500*2260 = 1.695*10^4 kj

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