ILL BRAINLIST!! What would happen to the number of aphids if the number of ladybirds suddenly increased??

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is: