After a tree is cut down with a chainsaw, it is impossible to put the tiny wood chips back together into the tree. Does this mean cutting trees with chainsaws is a chemical change? Explain.

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?

Which of the following is most likely true about water in chemical solutions?

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin