Ask a New Question

Calculate the heat of formation reaction for

SiO2(s)+4HF(g) --> SiF4(g)+2H2O(l)

I got -129.6 and it says I'm wrong

1 answer

You didn't show your work. I ran through it very quickly and I could have made a math error but I ended up with -103.7.

Similar Questions

Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
1. 1 answer
For the following reaction, 8.43 grams of silicon tetrafluoride are allowed to react with 7.68 grams of waterSif4 + 2H2O -> 4HF
1. 1 answer
The volume occupied by the reaction SiF4(g)+2H2O (g)=SiO2 (s)+4HF (g). is reduced.Predict the direction of shift in the position
1. 2 answers
Calculate the heat of formation of SiO4(s), given that the heats of formation of SiO2(s), -910.90 KJ/mol; H2O(l), -285.8 KJ/mol;
1. 0 answers

more similar questions