Chemistry, 08.10.2019 00:30 challenggirl
What is the number of protons in the nucleus of an atom equivalent to? a. number of neutrons b. atomic number c. mass number d. atomic weight
Answers: 1
Chemistry, 22.06.2019 11:30
Determine the reaction and balance the following equations urgent due in the morning
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Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
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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.
Answers: 2
What is the number of protons in the nucleus of an atom equivalent to? a. number of neutrons b. ato...
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