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    Ashlea111905's Avatar
    Ashlea111905 Posts: 3, Reputation: 1
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    #1

    Feb 26, 2007, 05:57 PM
    Specific Heat Questions.
    The question is...
    A piece of unknown metal with mass 14.9g is heated to 100.0 C and dropped into 75.0 g of water at 20.0. The final temperature of the system is 28.5 C. The final temp. of the system is 28.5 C. What is the s pecific heat of the metal...

    I understand that you use the formula

    Mass x Change in temp. x Specific Heat = Mass x Change in temp. x Specific Heat

    but I don't get why they give you the final temperature..?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Feb 27, 2007, 12:43 AM
    If you don't have the final temp, how do you work out the temp changes?
    ManinderGundhu's Avatar
    ManinderGundhu Posts: 1, Reputation: 1
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    #3

    Feb 15, 2009, 06:19 PM
    when you use the equation Q = MCT, the T is delta. Delta, meaning the difference in temperatures. In most cases.. it's used (T-final - T-intial). You have to be familiar with
    the MCT=Q=MCT equation for you to do this.
    eoind755's Avatar
    eoind755 Posts: 2, Reputation: 1
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    #4

    Mar 1, 2011, 01:09 PM
    specific heat = mass/change in temp = sh = 14.9/71.5 = .208
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