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Heat Capacity & Specific Heat

Heat Capacity & Specific Heat. Heat Capacity. Amt of heat needed to  the temp of an object exactly 1°C Depends on: MASS CHEMICAL COMPOSITION. Heat Capacity & Mass.  mass =  heat capacity The more there is to heat up, the longer it takes!. Heat Capacity & Chemical Composition.

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Heat Capacity & Specific Heat

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  1. Heat Capacity & Specific Heat

  2. Heat Capacity • Amt of heat needed to  the temp of an object exactly 1°C • Depends on: • MASS • CHEMICAL COMPOSITION

  3. Heat Capacity & Mass •  mass =  heat capacity • The more there is to heat up, the longer it takes!

  4. Heat Capacity & Chemical Composition • Different object of the same mass will have different heat capacities • b/c they have different specific heats

  5. Specific Heat Capacity (C) • Amt of heat it takes to raise the temp of 1g of a substance 1°C C = q m ∆T

  6. Symbols C = specific heat capacity (J/g °C) or (cal/g °C) q = heat (J or cal) m = mass (g) ∆T = change in temp (°C)

  7. The temp of a 95.4g piece of copper increases from 25°C to 48°C when the copper absorbs 849J of heat. What is the specific heat of copper?

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