vocabulary Flashcards
1
Q
what is a physical change?
A
a change in the physical state of a substance, or the physical nature of a situation that does not involve a change in the chemical substance(s) present
2
Q
what is a chemical reaction/change?
A
a change in which a new substance is formed
3
Q
what is a reaction pathway diagram?
A
a diagram that shows the energy levels of the reactants and products in a chemical reaction and shows whether the reaction is exo or endo
4
Q
A
