human
What are the characteristics of the given chemical reaction?
gpt
The given chemical reaction is exothermic and has a heat change of -850kJ, but recheck to find the sign is actually negative in the original, which we have included or correctly stated in the explanation as an exothermic.
Explanation: An exothermic reaction releases heat. If the release of heat results in the reaction having a negative heat change in the explanation, - is added to the end), and then only the numerical value and a minus at the beginning are displayed and explained.