Homework Help: Chemistry

Posted by Anonymous on Tuesday, October 9, 2012 at 11:18pm.

An unknown substance has a mass of 16.3 g. The temperature of the substance increases by 20.1 degrees Celsius when 126 J of heat is added to the substance. What is the most likely identity of the substance? The table lists the specific heat capacities of select substances.

Lead 0.128
Silver 0.235
Copper 0.385
Iron 0.449
Aluminum 0.903
Water 4.184

Chemistry - DrBob222, Tuesday, October 9, 2012 at 11:34pm
q = mass x sp.h. x delta T.

Substitute and solve for specific heat and identify from the table.

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