Chemistry
posted by Hannah .
Find the value of delta H net for the following equation:
SnBr2(s) + TiCl4(l) > TiBr2(s) + SnCl4(l)
I know that I already posted this once but I am still lost on what to do.
I know that TiCl4=804.2 and SnCl4=511.3 but I thought that the values for SnBr2 is 0 as well as for TiBr2.
Chemistry  DrBob222, Wednesday, February 1, 2012 at 10:00pm
SnBr2 is not zero.
TiBr2 is not zero.
I don't know what they are but they aren't zero. The only DHf values that are zero are elements which appear in an equation in their normal state. O2(g), H2(g), etc.
Chemistry  Hannah, Thursday, February 2, 2012 at 11:55pm
How should I go about solving this problem? Am I missing information?

Chemistry 
DrBob222
I don't know what to tell you. I can't find that in any of the texts I have nor can I find it on the web. I'm sure it's somewhere on the web; I've just not found it.

Chemistry 
Hannah
Ok well thank you for trying!

Chemistry 
Hannah
I don't know if this will help but I realized there was more information for the problem.
1) SnCl2(s) + TiBr2(s) > SnBr2(s) + Ticl2(s) Delta H=+4.2
2) SnCl2(s) + Cl2(g) > TiCl4(l) deltaH=195
3) TiCl2(s) + Cl2(g) >TiCl4(l) deltaH=273
SnCl2(s) + Cl2(g) > SnCl4(l) deltaH=195
TiCl4(l) > TiCl2(s) + Cl2(g) deltaH=+273
SnCl2(s) + TiCl4(l) > TiCl2(s) + SnCl4(l) deltaH net = 78
The directions for the original question that I posted said to use the reactions above to find the net value for the new equation. 
Chemistry 
DrBob222
Hannah, will you PLEASE check your post. I've already spent (wasted may be a better word) hours on this thing only to find that you didn't post the entire problem. I MAY (and I emphasize MAY) be able to do something with that; however, I do not believe equation 2. Finally you don't have any units. Start over, post the entire problem and question (as a new post), and all of the data, including units. Proof it thoroughly before posting. I assume "net value" means to find the delta H for the reaction. Is that right?
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