Answer
$Q=1.86\times 10^4J$
Work Step by Step
We know that:
$\Delta S=S_f-S_i=\frac{Q}{T}$
This can be rearranged as:
$Q=T\Delta S$
We plug in the known values to obtain:
$Q=405(46.0)=1.86\times 10^4J$
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