Physics
posted by Sierra .
An ice cube of volume 17.7 cm3 is initially at a temperature of 19.3°C. How much heat is required to convert this ice cube into steam?

Follow the following steps:
1. Calculate the ice block's mass from its volume and density.
2. Compute heat required to raise its temp. from 19.3 degC to 0 deg  Q1
3. Consider latent heat required to change the state from ice at 0 deg. to water at 0 deg.  Q2
3. Compute heat reqd. to raise water's temp. from 0 to 100 deg Q3
4. Compute heat reqd. to change water at 100 deg to steam at 100 deg C.  Q4
Total heat required = Q1+Q2+Q3+Q4 
Q=12,914.805 cal
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