The heat required to convert -45 degrees Celsius ice to 0 degree Celsius ice has been 0.9450 kJ.
Heat required to convert 0 degree Celsius ice to 0 degree Celsius water has been 0 kJ.
The heat required to convert 0 degrees Celsius water to 75 degree Celsius water has been 31.5 kJ.
The sample of water at -45 degree Celsius has been converted to 75 degree Celsius in the following steps:
- -45 degrees Celsius ice to 0 degree Celsius ice
- 0 degree Celsius ice to 0 degree Celsius water
- 0 degree Celsius water to 75 degree Celsius water
The heat required for the conversion has been given as:
<h3>Computation for the heat required</h3><h3 />
The mass of sample has been 0.1 kg.
- Heat required to convert -45 degrees Celsius ice to 0 degree Celsius ice has been:
It has been known that the Specific heat of ice has been
Substituting the values:
The heat required to convert -45 degrees Celsius ice to 0 degree Celsius ice has been 0.9450 kJ.
- Heat required to convert 0 degree Celsius ice to 0 degree Celsius water has been 0 as there has been no change in temperature.
- Heat required to convert 0 degree Celsius water to 75 degree Celsius water has been:
It has been known that the Specific heat of water has been .
Substituting the values:
The heat required to convert 0 degrees Celsius water to 75 degree Celsius water has been 31.5 kJ.
Learn more about heat required, here:
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