Which is a substance that cannot be broken down into another substance? compound
element
atom
molecule

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

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?

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is