Balance the following chemical equation and identify the type of chemical reaction?

$N a (s) + S (s) H e a t ⟶ N a_{2} S (s)$ .

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Solution

The given equation is:
$N a (s) + S (s) H e a t ⟶ N a_{2} S (s)$

$N a$ 4 is not balanced here. Hence, the balanced chemical equation is.

$2 N a (s) + S (s) H e a t ⟶ N a_{2} S (s)$

The reaction is endothermic because heat is absorbed in the reaction.

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