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3 February, 21:46

A copper block (20C) is placed in contact with a lead block (30C), which is already in contact with an iron block (70C). Which of the following will happen? A. Heat will flow from the Heat will flow from the copper to the lead to the iron until temp is equal. B Heat will flow from copper to lead to iron until temp is equal. C. Heat will flow from the lead to the copper to the iron until temp is equal. D. Heat will flow from iron to lead to copper until temp is equal.

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  1. 3 February, 23:56
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    A, b, c, d i think ...
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