On a winter day with a temperature of -10°c, 500g of snow (water ice) is brought inside where the temperature is 18 °c. the snow warms, then melts to water, and then warms to room temperature. what is the total amount of heat energy absorbed by the snow in this process?

Explanation:

Mass of ice m = 500g = .5 kg

Heat required to raise the temperature of ice by 10 degree

= mass of ice x specific heat of ice x change in temperature

= .5 x 2093 x 10 J

10465 J

Heat required to melt the ice

= mass of ice x latent heat

0.5 x 334 x 10³ J

167000 J

Heat required to raise its temperature to 18 degree

= mass x specific heat of water x rise in temperature

= .5 x 4182 x 18

=37638 J

Total heat

=10465 +167000+ 37638

=215103 J

50 inches should be the resultant vector

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