Specific Heat Capacity Quiz

What is specific heat capacity?

• The measure of a substance's resistance to change in temperature

• The amount of energy required to change a substance from solid to liquid state

• The ability of a substance to conduct electricity

• Amount of heat required to raise the temperature of a 1kg of a substance by one degree Celsius

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How do you calculate specific heat capacity?

• By counting the number of atoms in the substance

• By measuring the volume of the substance

• Using the formula E = mc^2

• Using the formula Q = mcΔT

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What is the specific heat capacity of water?

• 4184 J/g°C

• 5600 J/kg°C

• 2500 J/kg°C

• 3750 J/kg°C

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What is the specific heat capacity of metals?

• 100 J/kg°C

• Varies with color

• 50 J/kg°C

• It varies by type of metal

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Give an example of a real-life application of specific heat capacity.

• Sleeping

• Reading

• Cooking

• Swimming

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Define specific heat capacity.

• The ability of a substance to conduct electricity

• The measure of a substance's resistance to flow

• The amount of energy required to change a substance from a solid to a liquid

• Amount of heat required to raise the temperature of a kilogram of a substance by one degree Celsius

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Use the formula in the picture: Aluminum has a specific heat capacity of 900J/kg°C. How much heat does a 5kg piece of aluminum absorb if its temperature increases by 10°C?

• 45 J

• 0.45 J

• 450 J

• 4500 J

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Why is water often used as a coolant in engines and other machinery?

• Water is not flammable and can withstand high temperatures

• Water is a good conductor of electricity

• Water is readily available and inexpensive

• Water has a high specific heat capacity so it can absorb a lot of heat from the machine

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Explain how specific heat capacity affects the temperature change of a substance when heat is added or removed.

• It causes the substance to evaporate

• It only affects the color of the substance

• It affects the temperature change by determining how much heat energy is needed to raise or lower the temperature of a substance.

• It has no effect on the temperature change

How does specific heat capacity play a role in cooking food?

• It affects the texture of the food after cooking.

• It determines the amount of heat needed to cook different types of food.

• It determines the color of the food when cooked.

• It determines the price of the food in the market.

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