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    stargoddess6's Avatar
    stargoddess6 Posts: 1, Reputation: 1
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    #1

    Mar 22, 2012, 06:07 AM
    Find the equilibrium temp of the following
    A 350g glass beaker contains 500g of water at a temperature of 10.0°C. If 400g of ethyl alcohol at 35°C is subsequently poured into
    The beaker and the water and alcohol mixture is thoroughly stirred, what is its equilibrium temperature?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    Mar 22, 2012, 10:33 AM
    The heat absorbed by the glass and water must equal the heat given up by the alcohol as it all comes to equilibrium temperature. If the final temperature rise of the water and glass is , then the temperature drop of the alcohol is . So you have:



    Presumably you have values for the various specific heats of each of these substances - solve for . Then the final temp is .
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