475 grams of solid calcium oxide reacts with water vapor to form solid calcium hydroxide. Calculate the heat of reaction. (A) - 221.1 kcal
(B) + 290.8 kcal
C) - 290.8 kcal
(D) + 324.6 kcal
(E) + 221.1 kcal

you did not give any options thus this is the best answer i can give to you with this little information you have given

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> they can be tracked and predicted by the right tools

-love shrooms

answer///carbon;