$5$:$23$

:$!31$

Question $6$ of $11$

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What is the change in enthalpy when $0\mathrm{.}350$

moles of $B_2{H}_6$ react with excess $O_2$ according to the following blanced chemical reacton:

$B_2{H}_6(g)+,O_2(g)B_2{O}_3(s)+,H_{2}O(g)$

$H=-2035$

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