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Annette [7]
4 years ago
9

what will happen to the electric force between two identical negative charges as they move closer together

Chemistry
1 answer:
podryga [215]4 years ago
7 0

Answer:

Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge.

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When a pure sample of KNO3(s) spontaneously dissolves in water at room temperature, the solution becomes quite cold to the touch
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The enthalpy of the solution is <u>positive </u>and the entropy is <u>positive</u>.

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In its aqueous solution state, the randomness of molecules increases as a result of that the entropy will also increase leading to the positive state of the entropy.

Similarly, provided that the solution becomes quite cold to the touch, the enthalpy is also in it positive state.

Therefore, we can conclude that the enthalpy of the solution is <u>positive </u>and the entropy is <u>positive</u>.

Learn more about Potassium trioxonitrate (V) KNO₃(s) here:

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2 years ago
How many moles of sulfur will be needed to oxidize 3 moles of zinc to zinc sulfide
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Answer : The number of moles of sulfur needed to oxidize will be, 3 moles

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From the balanced reaction, we conclude that

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So, 3 moles if zinc react with 3 moles of sulfur

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