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ExtremeBDS [4]
3 years ago
13

Nitrogen-14 mass number

Chemistry
1 answer:
motikmotik3 years ago
5 0

Answer:

the mass is 14

Explanation:

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When the oxidation number of an element decreases over the course of a reaction, that element has beenWhich of the following che
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Using the van der Waals equation, the pressure in a 22.4 L vessel containing 1.00 mol of neon gas at 100 °C is ________ atm. (a
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Answer:

The answer to your question is        P = 1.357 atm

Explanation:

Data

Volume = 22.4 L

1 mol

temperature = 100°C

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How much heat is needed to raise the temperature of 55.0 g sample of water by 65.0 oC.
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Answer: 14943.5 J

Explanation:

The quantity of heat energy (Q) required to raise the temperature of a substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

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Q = ?

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Then, Q = MCΦ

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Q = 14943.5 J

Thus, 14943.5 joules of heat is needed to raise the temperature of water.

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