A reaction that is NOT thermodynamically favored at low temperatures can become thermodynamically favored at high temperatures

1 answer:

7 0

Explanation:

Its gonna be D

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Answer:

B. 0.2.

Explanation:

n = mass/molar mass

mass of CaCO₃ = 20 g, molar mass of CaCO₃ = 100.0869 g/mol.

∴ n = mass/molar mass = (20 g)/(100.0869 g/mol) = 0.1998 ≅ 0.2 mol.

So, the right choice is: B. 0.2.

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