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1) given the following equation : Na2O 2Hl__>2Nal H2O (501.6KJ)

a) 1f 9g of Nal are formed by the process, how much heat(q)will be involved?
b) state whether the reaction is endorthermicor exothermic

2 answers

You have an arrow but no + signs.
501.6 kJ x 9/2*molar mass NaI = heat (in kJ) involved.
You need to clarify the 501.6 kJ before I can tell you if it is exothermic or endothermic.
Exorthermic
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