Reversible Reactions and Equilibrium — Unit test Answers

Which equation is a decomposition reaction?

In which two types of reactions do opposite chemical changes occur?

The equation below shows a reaction that produces calcium carbonate.Ca(OH)2(s) + CO2(g) CaCO3(s) + H2O(l)Which describes a way to speed up the collisions between calcium hydroxide and carbon dioxide molecules to produce calcium carbonate faster?

Chemists use activity series to determine whether which type of reaction will occur?

Which is true about reaction rates?

Consider the reaction.At 298 K, the equilibrium concentration of O2 is 1.6 x 10-2 M, and the equilibrium concentration of O3 is 2.86 x 10-28 M. What is the equilibrium constant of the reaction at this temperature?

Which statement best describes how dynamic equilibrium relates to a saturated solution of sodium chloride?

In the hypothetical reaction below, substance A is consumed at a rate of 2.0 mol/L·s. If this reaction is at dynamic equilibrium, at what rate will substance B be consumed?A B