8) Which of the following factors will affect the rate of a reaction for first and second order reactions? (circle answer) I. Concentration of reactants II. Temperature III. Catalyst IV. Physical Phase i. I, II, III, IV ii. I and II only iii. I, II, II only iv. None of the above

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

What is the mass of 0.46 mol of mgcl2