Answered

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An unknown substance has a mass of 16.9 g. The temperature of the substance increases from 27.3 °C to 41.7 °C when 57.2 J of
heat is added to the substance. The table lists the specific heats of select substances.
Substance
lead
silver
copper
iron
aluminum
water
Specific heat [J/(g. *C)]
0.128
0.235
0.385
0.449
0.903
4.184
What is the most likely identity of the
unknown substance?
copper
iron
water
silver
lead
aluminum

Sagot :

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