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Leya [2.2K]
3 years ago
9

When the temperature of a substance _____, the motion of the atoms that make up that substance _____.

Chemistry
1 answer:
Mkey [24]3 years ago
7 0
Increase in temperature makes the atoms speed up, and decrease in temperature makes the atoms move slower.
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the answer is below

Explanation:

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how many milliliters of 1.50 m hno3 contain enough nitric acid to dissolve an old copper penny with a mass of 3.94 g?
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Molar mass HNO₃ = 63.0 g/mol

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5 0
3 years ago
Consider n2 (g) + 3h2 (g) →→ 2nh3 (g). what is the mass of nitrogen gas required to react with 0.129 g h2?
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The given chemical reaction given above is already balanced such that the number of atoms in the left hand side of the equation is equal to that of the right hand side. Using the dimensional analysis, proper conversion factors and the molar masses,

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Therefore, 0.602 g of nitrogen will be required for he reaction. 
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3 years ago
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frosja888 [35]

Explanation:

the answer and explanation is in the picture

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