Chemistry
posted by Grace Peterson on .
Given the reaction 2 Na2 02 (s) + 2 H2o(i) — 4 NaOH(s) + 02(g) triangle H= 109 KJ
determine the following reactions.
16 Na2o2(s)+ 16 H2o(i)——— 32 NaOH(s) + 8 O2(g)
2 NaOH(s)—+ 1/2 o2(g)——Nao2(s)+ H2o(I)

You really need to be more careful with your typing. I have an excuse when I make typos and omit characters; I'm old and can't see very well. You don't have that excuse. You're in a hurry. You can't hurry your way through chemistry. :).
Equation 1 has dH = 109 kJ.
Look at equation 2. That is just 8x the first one; therefore dH must be 8*109 kJ.
Look at equation 3. That one is 1/2 of the reverse of equation 1; therefore, dH is (1/2*109 kJ) then change the sign since the equation is reversed. Note you made a typo here. I think you meant Na2O2(s) 
My apologies. I will type it over.

Given the reaction 2 Na2 02 (s) + 2 H2o(i) — 4 NaOH(s) + 02(g)
I couldn't make out the symbol however its triangle H= 109 KJ
determine the following reactions.
1. 16 Na2o2(s)+ 16 H2o(i)——— 32 NaOH(s) + 8 O2(g)
2. 2 NaOH(s)———— + 1/2 o2(g)——Nao2(s)+ H2o(I) 
The triangle is the Greek for delta.

Ok. I retyped the question straight from the book.hopefully its correct now.

Thanks. My answer stays the same. But I still think that last NaO2 is Na2O2. NaO2 doesn't make sense with the rest of the problem.