Question

Which of the following is true for the reaction below?

Answer 1

It is endothermic and the ∆H = +393.5 kJ.
It is endothermic and the ∆H = -393.5 kJ.
It is exothermic and the ∆H = +393.5 kJ.
It is exothermic and the ∆H= -393.5 kJ.
This reaction will not occur.

Answer 2

https://books.google.iq/books?id=ZOm8L9oCwLMC&pg=PA211&lpg=PA211&dq=co2%2B393.5kj---%3E+c%2Bo2&source=bl&ots=pt7wo9Foyw&sig=FG3aVhKT6aUTOWkvo9nz0mNkya8&hl=en&sa=X&ei=HNyiVIqSBuvjywOjr4CIBA&ved=0CEIQ6AEwBQ#v=onepage&q&f=false

Answer 3

When I click on it am I supposed to be on pg 21?

Answer 4

its reverse ur reaction and u can reverse the sign of delta H

Answer 5

So bc it's negative is it endothermic?

Answer 6

no its reverse of ur reaction and ur reaction should positive and endothermic