Practice Example Of Heat Calculation (10.2.3) - Quantity of Heat

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9 questions

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Exercise
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Quiz
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6 sample questions

Question 1.
What is the specific heat capacity of water?
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Think about common substances and their properties.
Question 2.
What formula do we use to calculate heat energy?
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Remember the symbols represent mass, specific heat, and temperature change.
3Question 3.
What is the specific heat capacity of water?
- 4.18 J/kg°C
- 4.18 kJ/kg°C
- 2.09 kJ/kg°C
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Think about energy and temperature change.
4Question 4.
True or False: Heat is a substance.
- True
- False
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Consider what heat represents in the context of energy.
Question 5.
Calculate the heat required to heat 6 kg of ice from -10°C to 0°C using the specific heat capacity of ice, which is 2.1 kJ/kg°C.
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Don't forget to keep the units consistent.
Question 6.
A 10 kg block of copper needs to be cooled from 100°C to 25°C. The specific heat capacity of copper is 0.385 kJ/kg°C. What is the heat lost?
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Pay attention to ΔT; is it positive or negative?

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