Specific heat capacity (Edexcel GCSE Physics): Quizzes

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Specific heat capacity
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What does specific heat capacity measure?

How well a substance stores heat

Energy needed to raise the temperature of 1 kg of a substance by how many degrees?

1°C

What is the formula for change in thermal energy?

ΔE=m×c×Δθ\Delta E = m \times c \times \Delta \theta

What are the units of specific heat capacity?

Jkg1°C1J kg^{-1} °C^{-1}

What are the units of ΔE\Delta E (change in thermal energy)?

Joules (J)

What is the rearranged formula to find cc?

c=ΔEm×Δθc = \frac{\Delta E}{m \times \Delta \theta}

What does heating a substance increase?

Internal energy

In kinetic theory, what does temperature measure?

Average internal energy of particles

Materials needing lots of energy to heat up also do what when cooling?

Release lots of energy

What should the joule meter read at the start of the experiment?

Zero

How many times should the experiment be repeated?

3 times

If ΔE=4200\Delta E = 4200 J, m=1m = 1 kg, Δθ=10\Delta \theta = 10 °C, what is cc?

420420 Jkg1°C1J kg^{-1} °C^{-1}

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