Specific heat capacity (Edexcel GCSE Physics): Flashcards

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Specific heat capacity
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Specific heat capacity (cc) refers to

How well a substance stores heat

Energy needed to raise 1 kg by 1°C

Specific heat capacity

Formula for change in thermal energy

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

ΔE\Delta E in the formula represents

Change in thermal energy (in joules, J)

Unit of specific heat capacity (cc)

Jkg1°C1J \cdot kg^{-1} \cdot °C^{-1} (joules per kg per °C)

Unit of mass (mm) in the formula

Kilograms (kg)

Δθ\Delta \theta represents in the formula

Temperature change (in °C)

Rearranged formula for cc

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

Heating a substance increases its

Internal energy

Temperature measures (kinetic theory)

Average internal energy of particles

Materials needing lots of energy to heat up also

Release lots of energy when cooling down

Times to repeat specific heat capacity experiment

3 times (to get an average)

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