Look at the chart below that demonstrates the law of conservation of energy as it applies to chemical reactions.
Which 3 statements below are TRUE? Choose 3 correct statements.
a
Energy can move between the system and the surroundings, but the total amount of energy remains unchanged.
b
Energy lost by the system is gained by the surroundings in an exothermic reaction.
c
New energy can be created in a chemical reaction.
d
Energy can be destroyed in a chemical reaction.
e
In an endothermic reaction, the energy gained by the system is lost from the surroundings.
a) Energy can move between the system and the surroundings, but the total amount of energy remains unchanged.
b) Energy lost by the system is gained by the surroundings in an exothermic reaction.
e) In an endothermic reaction, the energy gained by the system is lost from the surroundings.