Understanding Calorimetry

Front

What is calorimetry?

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Calorimetry is the science of measuring the heat of chemical reactions or physical changes, as well as heat capacity.

Front

What is specific heat?

Back

Specific heat is the amount of heat required to raise the temperature of 1 gram of a substance by 1°C.

Front

What is the formula for calculating heat energy (Q)?

Back

Q = Specific heat x Mass x Temperature change.

Front

How do you calculate the heat energy lost by water?

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Q = Specific heat of water x Mass of water x (Initial temperature - Final temperature).

Front

What is the specific heat of water?

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The specific heat of water is 4.18 J/g°C.

Front

What does a negative Q value indicate?

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A negative Q value indicates that heat is being released from the system.

Front

What is the relationship between heat absorbed by water and heat released by metal?

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The heat absorbed by the water is equal to the heat released by the metal in a calorimetry experiment.

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Why is specific heat important in calorimetry?

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Specific heat is important because it helps identify substances and understand their thermal properties.

Front

What is the significance of temperature change in calorimetry?

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Temperature change indicates the amount of heat exchanged during a reaction or physical change.

Front

How can you determine the specific heat of a metal?

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By measuring the heat absorbed by water and the temperature change of the metal.