Chemical reactions:
A. only break chemical bonds or form them but never in the same reaction.
B. are written with the product on the left and the reactant on the right with an arrow to indicate the direction of the reaction.
C. proceed spontaneously through a low-energy transition state to product.
D. proceed spontaneously if the free energy of the product is greater than that of the reactant.
E. require collisions between reactants, therefore the reaction rate increases when the concentration of the reactants is greater.
E
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