What type of combination is a mixture? a. electrical b. chemical c. physical d. thermal

Which fact represents evidence for the big bang theory?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.