Asked by stephanie
a sample of H2O with a mass of 46.0 grams has a temperature of -58.0 degress celcius. how many joules of energy are necessary to melt 46.0 grams of ice?
Answers
Answered by
DrBob222
Note the correct spelling of celsius.
q to move temperature of ice from -58 to zero.
q = mass ice x specific heat ice x [Tfinal-Tinitial].
Tfinal is zero and Tinitial is -58.
q to melt the ice.
q = mass ice x heat fusion.
total Q = q1 + q2.
q to move temperature of ice from -58 to zero.
q = mass ice x specific heat ice x [Tfinal-Tinitial].
Tfinal is zero and Tinitial is -58.
q to melt the ice.
q = mass ice x heat fusion.
total Q = q1 + q2.
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