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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: marianne_13 on November 05, 2007, 08:27:44 PM

Title: Finding temperatures PLZ HELP ME!!
Post by: marianne_13 on November 05, 2007, 08:27:44 PM

I need some help with this problem because,for some reason, i dont really get it:

A 245 g piece of copper at room temperature(25 degrees Celsius) loses 456.7 Joules of heat.What will its new temperature be? ??? ???


once again,PLZ HELP ME!! ???

Title: Re: Finding temperatures PLZ HELP ME!!
Post by: LQ43 on November 05, 2007, 09:24:57 PM

q (value in joules) = specific heat (Cu) x mass Cu x (Tf - 25 deg)

can you find Tf?