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The equation Q=mcΔ t calculates the amount of energy for a body of mass to raise a unit temperature per unit mass. The specific heat capacity of water is 4.19 J/g°C which means that it takes 4.19 J to raise 1 g of water to 1°. The specific heat capacity also depends on what the surrounding temperature is. 4.19 J/g°C is the specific heat capacity at room temperature. Since temperature is the measurement of the average kinetic energy of the particles, the motion of particles in water affects the specific heat capacity which ultimately affects how much energy is needed to heat up water.

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āˆ™ 10y ago
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āˆ™ 1mo ago

The amount of energy needed to heat water depends on the initial temperature of the water, the desired final temperature, the mass of the water, and the specific heat capacity of water (4.18 J/gĀ°C).

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Q: What does the amount of energy needed to heat water depend on?
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