Heat — Quiz

Question 3 • *KCPS Physics First (2027)

Which reaction is exothermic?

Answer

cap n sub 2 plus cap o sub 2 plus 181 kJ rightarrow 2 NO

CH sub 4 plus 2 cap o sub 2 rightarrow CO sub 2 plus 2 cap h sub 2 cap o plus 891 kJ

2 cap h sub 2 cap o plus 286 kJ rightarrow 2 cap h sub 2 plus cap o sub 2

cap n sub 4 NO sub 3 plus cap h sub 2 cap o plus 25 kJ rightarrow NH sub 4 raised to the plus aq power plus NO sub 3 raised to the negative aq power

Quiz

Quiz

Quiz