Chemistry, 19.05.2021 17:30 Richelleypinelley
When do we observe more than one broad band in the fluorescence spectrum?
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Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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An observation that requires measurement is called quantitative observable or qualitative
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8.98 dm3 of hydrogen gas is collected at 38.8 Β°c. find the volume the gas will occupy at -39.9 Β°c if the pressure remains constant.
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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.
Answers: 2
When do we observe more than one broad band in the fluorescence spectrum?...
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