10.3 Specific Heat Capacity Questions

What does the specific heat capacity (c) represent?

• The amount of heat required to change the temperature of one unit of mass by 1°C.

• The amount of heat required to melt a substance.

• The amount of energy needed to boil water.

• The amount of energy released during freezing.

Which of the following is a correct unit for specific heat capacity?

• J/g·°C

• N/m²

• W/m·K

• kg/m³

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If a material has a high specific heat capacity, what does this imply about its ability to change temperature?

• It requires more heat to change its temperature.

• It changes temperature very quickly.

• It cannot change temperature at all.

• It requires less heat to change its temperature.

What does the symbol ΔT represent in the equation Q = mcΔT?

• mass

• change in temperature

• specific heat capacity

• heat

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Which of the following equations can be used to calculate the heat energy (Q) absorbed or released by a substance?

• Q = m + cT

• Q = mcΔT

• Q = m/cT

• Q = mc/T

According to the equation Q = mcΔT, which combination of properties will require the least amount of heat to change an object's temperature?

• Smallest mass, smallest specific heat capacity, smallest change in temperature

• Largest mass, largest specific heat capacity, largest change in temperature

• Smallest mass, largest specific heat capacity, largest change in temperature

• Largest mass, smallest specific heat capacity, largest change in temperature

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What does the symbol "Q" represent in the equation Q = mcΔT?

• heat

• mass

• specific heat capacity

• change in temperature

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What does specific heat capacity measure?

• The amount of light an object reflects

• The resistance of an object to changes in temperature

• The electrical conductivity of a material

• The mass of an object

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Why is it harder to heat or cool substances with higher specific heat capacities?

• They require less energy to change temperature

• They require more energy to change temperature

• They change temperature more quickly

• They do not change temperature at all

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If two substances are given the same amount of energy, which one will experience a smaller temperature change?

• The one with lower specific heat capacity

• The one with higher specific heat capacity

• The one with a higher mass

• The one with a lower mass