2. What type of reaction is this? * 5 points
|_BaCl2(aq) + _Al2(SO4)3(aq) — _BaSO4(s) + _AICI3(aq)
Combustion Reaction

Acid Base Reaction

Synthesis Reaction

Single Replacement Reaction

Decomposition Reaction

Precipitation Reaction

Which fact represents evidence for the big bang theory?

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.

Which number should be placed before f2 on the reactants side equation to make equation balanced? xe + > xef4