Specific Heat Capacity (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards

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Specific Heat Capacity
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What does specific heat capacity (c) refer to?

How well a substance stores heat

Definition of specific heat capacity

Amount of energy needed to raise 1 kg of substance by 1°C

Formula for change in thermal energy

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

What ΔE\Delta E represents

Change in thermal energy

Unit of ΔE\Delta E

Joules (J)

What cc represents

Specific heat capacity

Unit of specific heat capacity (cc)

J/kg°C

What mm represents in the thermal energy formula

Mass

Unit of mass (mm)

Kilograms (kg)

What Δθ\Delta \theta represents

Temperature change

Unit of Δθ\Delta \theta

Degrees Celsius (°C)

Rearranged formula to find cc

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

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