Chemistry, 12.04.2021 20:00 btcastongia
A 24.59 g mixture of zinc and sodium is reacted with a stoichiometric amount of sulfuric acid. The reaction mixture is then reacted with 97.7 mL of 4.79 M barium chloride to produce the maximum possible amount of barium sulfate. Determine the percent sodium by mass in the original mixture. g
Answers: 3
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
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Chemistry, 23.06.2019 00:00
How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
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Chemistry, 23.06.2019 12:30
The equilibrium constant kc for the reaction 2 nocl(g) β 2 no(g) + cl2(g) is 0.453 at a certain temperature. a mixture of nocl, no, and cl2 with concentrations 1.30, 1.20, and 0.600 m, respectively, was introduced into a container at this temperature. which of the following is true? 1. no apparent reaction takes place. 2. [cl2] = 0.30 m at equilibrium. 3. nocl(g) is produced until equilibrium is reached. 4. [nocl] = [no] = [cl2] at equilibrium. 5. cl2(g) is produced until equilibrium is
Answers: 3
A 24.59 g mixture of zinc and sodium is reacted with a stoichiometric amount of sulfuric acid. The r...
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