PLEASE HELP ASAP Consider the following balanced equation: 2H2 + O2 ---> 2H2O
If 5.0 grams of H2 reacts completely with O2, how many grams of
H2O will be produced? [Hint: The atomic masses of the elements
involved are: H = 1.0 amu and O = 16.0 amu)

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.