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Alecsey [184]
3 years ago
9

Select all the true statements regarding chemical equilibrium. the concentrations of reactants and products are equal. the conce

ntrations of reactants and products remain constant. reactants are being converted to products and vice versa. the rates of the forward and reverse reactions are equal.
Chemistry
1 answer:
lys-0071 [83]3 years ago
5 0
The true statements are B, C, and D
-first ( A ) the concentrations of reactants and products are equal is false, As the concentrations of reactants and products may be different from each other.
- But (B) the concentrations of reactants and product remains constant is true, as the equilibrium remains when there is no change in the concentration of the reactants and products.
-(c) reactants are being converted to products (and vise verse) is true also, as there are reactions still happened at a constant rate so it looks like nothing is happening.
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Answer & explanation:

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Answer:

118750 ml

Explanation:

The chemical equation for complete combustion of hexane is given as;

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2 = 19

2500 = x

x = 2500 * 19 / 2 = 23750 ml

Since oxygen is 20% of air;

23750 = 20 / 100 * (Volume of air)

Volume of air = 23750 * 100 / 20 = 118750 ml

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