Based on the diagram, which statement explains how energy is conserved during this chemical reaction?
А
B
Potential energy
of a system
С
Reaction progress
O A. The potential energy gained by the reaction system (A) is lost
from the surroundings.
B. The potential energy lost by the reaction system (C) is gained by
the surroundings
C. The potential energy changes indicated by A and B involve energy
lost by the surroundings.
D. The potential energy lost during the formation of products (B) is
lost by the surroundings.
PLEASE HELP and try not to get it wrong :(