1.

What is the final enthalpy of the solution made by mixing 20 grams of solution A having enthalpy 5 J with 5 grams of solution B having enthalpy 10 J?(a) 2 J(b) 4 J(c) 6 J(d) 7 J

Answer» The correct answer is (c) 6 J

To explain I would say: Final enthalpy = 0.8*5 + 0.2*10 = 4 + 2 = 6 J.


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