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Anonymous
Anonymous asked in Science & MathematicsPhysics · 12 months ago

How many steps (equations) would you use to determine the amount of energy needed to bring ice from -35 C to +70 C?

7 Answers

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  • 12 months ago

    I would try boiling.

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  • 12 months ago

    Three

    1st step is the warming(energy) of ice to its melting point.

    2nd step is the change of state from solid to liquid thi requires energy without a change of temp.

    3rd. step is the warming(energy) of water to 70oC

    All three have different specific energies.

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  • mizoo
    Lv 7
    12 months ago

    1. ice -35 to ice 0 = m * C₁ * 35

    2. ice 0 to water 0 = m * L

    3. water 0 to water 70 = m * C₂ * 70

    C₁: specific heat capacity of ice

    C₂ specific heat capacity of water

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  • 12 months ago

    2. You need to know newtons law of cooling and the latent heat of transformation which accounts for the phase change from ice to liquid. (Assuming generic high school or college level problem)

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  • Anonymous
    12 months ago

    42

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  • 12 months ago

    Bogus. There is no ice at +70 C, assuming standard pressure

    • Lv 7
      11 months agoReport

      Obviously he knows that once it's over 0C it's not ice anymore.

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  • Anonymous
    12 months ago

    probably only one...

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