Hello, could someone tell me whether my answer is right? if not, where did i go wrong please? i have an exam tomorrow and hardly understand this
standard enthalpies of formation help Watch
- Thread Starter
- 27-01-2016 21:15
- 27-01-2016 23:23
My neck hurts.
You should be subtracting the - 1155 from the - 1154, i.e. it just looks like you've put - 1154 - 1155 which is not equal to 1.
The answer is 1, but you should get into the habit of writing +1.