Chemistry, 12.08.2019 17:20 ajmitchell04
An iron block of unknown mass at 185°f is dropped into an insulated tank that contains 0.8 ft3 of water at 70°f. at the same time, a paddle wheel driven by a 100-w motor is activated to stir the water. thermal equilibrium is established after 10 min with a final temperature of 75°f
determine
a)the mass of iron block.
b)entropy generated during this process
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