Chemistry, 29.01.2020 00:05 eylinglez3ovm16v
In a calorimeter, 100 g of ice melts at 0oc. the enthalpy of fusion of the ice is 334 j/g. how much heat was absorbed?
question 21 options:
33.4 kj
334 j
334 kj
33.4 j
question 22 (2 points)
in a calorimeter, 1.0 kg of ice melts at 0oc. the enthalpy of fusion of the ice is 334 j/g. how much heat was absorbed?
question 22 options:
334 kj
33.4 j
334 j
33.4 kj
question 23 (2 points)
in a calorimeter, 10.0 g of ice melts at 0oc. the enthalpy of fusion of the ice is 334 j/g. how much heat was absorbed?
question 23 options:
334 kj
0.33 kj
3.34 kj
33.4 kj
4.13 unit assessment: chemical thermodynamics, part 1 pool 13
question 24 (2 points)
what is the change in enthalpy when 250 g of water vapor condenses at 100oc? (δhv = 40.67 kj/mol)
question 24 options:
565 kj
–565 kj
291 kj
–291 kj
question 25 (2 points)
what is the change in enthalpy when 180 g of water vapor condenses at 100oc? (δhv = 40.67 kj/mol)
question 25 options:
565 kj
–565 kj
407 kj
–407 kj
question 26 (2 points)
what is the change in enthalpy when 250 g of water evaporates at 100oc? (δhv = 40.67 kj/mol)
question 26 options:
291 kj
565 kj
–291 kj
–565 kj
Answers: 2
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In a calorimeter, 100 g of ice melts at 0oc. the enthalpy of fusion of the ice is 334 j/g. how much...
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