Calculating Heat Energy Released (VCE SSCE Chemistry): Quizzes

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Calculating Heat Energy Released
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What does specific heat capacity measure?

Energy to raise 1g by 1°C

What is the specific heat capacity of water?

4.18 J g1 °C14.18 \text{ J g}^{-1} \text{ °C}^{-1}

Why does water have a high specific heat capacity?

Hydrogen bonds between molecules

In the formula q=mcΔTq = mc\Delta T, what does ΔT\Delta T represent?

Temperature change

When equal heat is supplied, glycerine's temperature rises how compared to water?

More rapidly

What is the density of water used in calculations?

1.0 g mL11.0 \text{ g mL}^{-1}

Energy content in kJ g1\text{kJ g}^{-1} is used for which type of samples?

Mixtures like foods and diesel

How does heat loss affect calculated values in simple calorimetry?

Makes them lower than actual values

What advantage does a bomb calorimeter provide?

Minimizes heat loss via insulation

How much energy heats 100 g100\text{ g} water by 10°C10°\text{C}? (use c=4.18c = 4.18)

4180 J4180 \text{ J}

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