3 years ago

Why is cold air cold?

1 answer:

4 0

Explanation:

Energy makes molecules in the air move faster and expand, decreasing density. The opposite is true for cold air. Molecules are closer together, and absorb less energy.

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Answer:

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Explanation:

Reaction

N₂ (g) + 3H₂ (g) ⇒ 2NH₃ (g)
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Solving

10 g N₂ x 1 mol NH₃/28 g N₂ x 3 mol H₂/1 mole N₂
⇒ 1.07 mol H₂

V = nRT/P [From Ideal Gas Equation]
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4 years ago

What is the volume of 0.4 mole of gas at stp? 30 points!

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Answer:

89.6 liters

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