$0043606\frac{\text{\#}}{10043606}\frac{?}{?}\frac{7}{-}1$

How much total heat transfer is necessary to lower the temperature of $0\mathrm{.}255kg$ of steam from $141\mathrm{.}5C$ to $-15\mathrm{.}5C,$ including the energy for phase changes?

total

How much time is required for each stage of this process, assuming a constant $815\mathrm{.}0W$ rate of heat exchange? Give the times in the order that the stages occur.

$t_1=$

$t_2=$

$t_3=$

$t_4=$

$t_5=$

Resources

Hint

$r_4$

$t_5=$