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

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Specific Heat Capacity
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What does specific heat capacity refer to?

How well a substance stores heat

Definition of specific heat capacity

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 is ΔE\Delta E and its unit?

Change in thermal energy, Joules (J)

What is mm in the formula and its unit?

Mass, kilograms (kg)

What is cc and its unit?

Specific heat capacity, J/kg°C

What is Δθ\Delta \theta and its unit?

Temperature change, degrees Celsius (°C)

Formula to calculate cc

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

Symbol for specific heat capacity

cc

Symbol for change in thermal energy

ΔE\Delta E

Symbol for temperature change

Δθ\Delta \theta

What three factors determine change in thermal energy?

Mass, specific heat capacity, and temperature change

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