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Posted by on Tuesday, October 19, 2010 at 11:48pm.

A 26.7 g sample of ethylene glycol, a car radiator coolant, loses 668 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

  • Chemistry - , Wednesday, October 20, 2010 at 1:57am

    Q=mc∆t
    Q = heat energy
    m = mass
    c = specific heat (of ethylene glycol)
    ∆t= change in temperature (= final - initial temp)

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