Write the net ionic equation, including phases, that corresponds to the reaction Fe(ClO4)2(aq)+K2CO3(aq)⟶FeCO3(s)+2K ClO4(aq) Fe ( ClO 4 ) 2 ⁢ ( aq ) + K 2 ⁢ CO 3 ⁢ ( aq ) ⟶ FeCO 3 ⁢ ( s ) + 2 ⁢ KClO 4 ⁢ ( aq )

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage