On a mission to a newly discovered planet, an astronaut finds copper abundances of 69.97 % for 63cu and 31.03 % for 65cu. what is the atomic mass of copper for this location?
the mass of 63cu is 62.9300 amu . the mass of 65cu is 64.9200 amu .
express your answer to two decimal places, and include the appropriate units.

Which of the following units is not an official si unit? mole liter kilogram ampere

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

Match each statement with the state of matter it describes