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Chemistry, 23.06.2019 07:20
Which of the following are acids or bases? 1. sodium hydrogen 2. barium hydroxide solution 3. carbonate solution
Answers: 1
Chemistry, 23.06.2019 16:00
When electrons are removed from the outermost shell of a calcium atom, the atom becomes an anion that has a larger radius than the atom. an anion that has a smaller radius than the atom. a cation that has a larger radius than the atom. a cation that has a smaller radius than the atom.
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Chemistry, 23.06.2019 19:30
⁉️how many kj of energy would be needed to convert 150. g of ammonia to vapor at its boiling point? ⁉️(ammonia’s heat of vaporization is 1.38 kj/g
Answers: 1
Chemistry, 23.06.2019 22:00
2. a sample of table sugar (sucrose, c12h22o11) has a mass of 1.202 g. a. calculate the number of moles of c12h22o11 contained in the sample. show your work. b. calculate the moles of each element in c12h22o11, show your work c. calculate the number of atoms of each type in c12h22o11. show your work
Answers: 2
Empirical formula of a compound if a 50.0 g sample of it contains 9.1g na ,20.6 g cr ,and 22.2 g o...
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