Chemistry, 18.07.2019 19:00 jamesgraham577
1. how much heat is necessary to vaporize 500 g of water at its boiling point? 2. if 5,100 joules of heat are given off when a sample of water freezes, what is the mass of the water? 3. if 57.500 joules of heat are given off when a sample of steam condenses, what is the mass of the steam? answer all 3 if possible show work
Answers: 1
Chemistry, 22.06.2019 11:30, ansuaprajita1506
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
Chemistry, 22.06.2019 13:00, monkeyrose1999
The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
Answers: 3
1. how much heat is necessary to vaporize 500 g of water at its boiling point? 2. if 5,100 joules o...
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