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DedPeter [7]
2 years ago
10

Given the standard enthalpies of formation for the following substances, determine

Chemistry
1 answer:
Novosadov [1.4K]2 years ago
5 0

Answer:

C

Explanation:

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melamori03 [73]

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The answer to your question is:

Explanation:

                  Iron (III)  ⇒ Iron (II)

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3 years ago
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If the volume of 1.00 mole of gas is tripled, what will happen to the pressure, if the temperature remains constant
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The new pressure becomes one third of the initial pressure.

Explanation:

The relation between pressure and volume at constant temperature is given by :

P\propto \dfrac{1}{V}\\\\P=\dfrac{1}{V}

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V'=3V (given)

So,

P'=\dfrac{1}{V'}\\\\=\dfrac{1}{3V}\\\\=\dfrac{1}{3}\times \dfrac{1}{V}\\\\P'=\dfrac{1}{3}\times P

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