Which of the following is characteristic of all reversible systems at equilibrium?
activation energy is not required.
changes do not occur at the microscopic level.
two opposing reactions occur at the same rate.
they occur in open systems.
a catalyst affects the forward reaction.

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid