NaNo3+PbO-Pb(No3)2+__Na2O

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds