roblem $9\mathrm{.}71-$ Enhanced $-$ with Feedback

How much heat in kilojoules is evolved or absorbed in the reaction of $1\mathrm{.}65g$ of $Na$ with $H_{2}O?$

$2Na(s)+2H_{2}O(l)2$NaOH$(aq)+H_2(g),H=-368\mathrm{.}4kJ$

Express the heat in kilojoules to three significant digits.

$q=$

$kJ$

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Part B

Is the reaction exothermic or endothermic?

The reaction is exothermic.

The reaction is endothermic.

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