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Angelina_Jolie [31]
3 years ago
15

One evening, Alex notes the Moon set in the west at around 8 PM. What would have been the approximate time of moonrise that day?

Chemistry
2 answers:
ra1l [238]3 years ago
6 0

Answer:

C

Explanation:

Early evening about 5 p. m.

AleksAgata [21]3 years ago
5 0

Answer:

The answer is B

Explanation:Just did it on USA TestPrep

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Which of these is found in the energy levels of an atom?
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Answer : The net ionic equation will be,

Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

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The given balanced ionic equation will be,

BaSO_4(aq)+H_2SO_4(aq)\rightarrow BaSO_4(s)+H_2O(aq)

The ionic equation in separated aqueous solution will be,

Ba^{2+}(aq)+2OH^-(aq)+2H^+(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)+2H^+(aq)+2OH^-(aq)

In this equation, H^+\text{ and }OH^- ions are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)

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