Asked by Amanda

When .03 mol Na is added to 100g of water, the temp. of the resulting solution rises from 25C to 37.9C. If the specific heat of the solution is 4.18 J/(g C), calculate delta H for the reaction, 2Na(s) + 2H2O(l) --> 2NaOH(aq) + H2(g)

Answers

Answered by DrBob222
q = mass x specific heat x delta T and that is for 0.03 mol Na or 0.69 grams Na. You want q for the reaction which is for 46 g Na. You may need to tweak the 0.69 and 46 since I didn't look up the atomic mas Na but those numbers are close.
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