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Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
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Chemistry, 23.06.2019 08:30
Of element x has 22 protons, how many electrons does it have
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Chemistry, 23.06.2019 13:30
Asap at one point in history people could measure temperature by looking at the volume of a sample of gas. suppose a sample in a gas thermometer has a volume of 135ml at 11.0°c. indicate what temperature would correspond to each of the following volumes: 113 ml, and 155 ml.
Answers: 1
Social Studies, 18.09.2019 01:30
Mathematics, 18.09.2019 01:30
Mathematics, 18.09.2019 01:30
Mathematics, 18.09.2019 01:30
Biology, 18.09.2019 01:30
Mathematics, 18.09.2019 01:30
Mathematics, 18.09.2019 01:30