Question 5.4
Translate the following statement into chemical equation and then balance it:

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

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Solution

The chemical equation for the given chemical reaction is:
$K (s) + H_{2} O (l) \to KOH (aq) + H_{2} (g)$

The balanced chemical equation is:
$2 K (s) + 2 H_{2} O (l) \to 2 KOH (aq) + H_{2} (g)$

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Similar questions

Translate the statement into chemical equation and then balance:

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

Translate the following statements into chemical equations and then balance them.

(a) Hydrogen gas combines with nitrogen to form ammonia.

(b) Hydrogen sulphide gas burns in air to give water and sulphur dioxide.

(d) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

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