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Chemistry, 23.06.2019 06:40
A250 g sample of water with an initial temperatureof 98.8 closes 6500 joules of heat. what is the finaltemperature of the water?
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Chemistry, 23.06.2019 10:30
4al + 3o2 β 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Mathematics, 17.07.2019 23:20
Mathematics, 17.07.2019 23:20
History, 17.07.2019 23:20
Mathematics, 17.07.2019 23:20
Mathematics, 17.07.2019 23:20