Which of the following is a pure substance? choose all that apply.

a. fruit cake
b. nickel
c. saltwater
d. rust

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

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.