Answer Questions 57—61 in terms of joules rather than calories.
How much energy is needed to change 1 kg of ice at
The energy needed to change 1 kg of ice at
Answer to Problem 61A
The energy needed to change 1 kg of ice at
Explanation of Solution
Info Mass of ice (
Heat of fusion of water,
Heat of vaporization of water,
Specific heat of steam,
Specific heat of ice,
Specific heat of water,
Melting point of water =
Boiling point of water =
Formula used:
Calculation:
First step:
Heat required
On putting the values; we get
Second step:
Heat required
Third step:
Heat required
On putting the values; we get
Fourth step:
Heat required
Fifth step:
Heat required
On putting the values; we get
Total heat energy
On putting the values; we get
Conclusion:
Thus, the energy needed to change 1 kg of ice at
Chapter 23 Solutions
Conceptual Physics: The High School Physics Program
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