At standard pressure, which element has a freezing point below standard temperature?
(1) in (3) hf
(2) ir (4) hg

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?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Most metamorphosis processes take place