Which of the following compounds have cis-trans isomers because they lack free rotation about their carbon-carbon bonds?

How many moles of solute are contained in 500.0 mL of 0.50 M KCl?

Which of the following statements is true of the hydroxyl functional groups in 1,3-propanediol?

Carbonyl groups are found in:

Answer the following question based on the ball-and-stick model given below (black sphere = carbon, white sphere = hydrogen, and red sphere = oxygen). image014646beb79.jpg Which functional group does this compound contain? 

Assume each of the containers in the image contains Avogadro’s number of molecules of the substance pictured. image007646beb79.jpg Which of the following correctly describes each container?

If we consider the elements C, N, and O, which types of orbitals do these elements use in bonding?

Answer the following questions based on the ball-and-stick models given below. Atoms other than carbon and hydrogen are labeled with the symbol of the element. Molecules(1).jpg Which of the following ball-and-stick models represents a secondary alcohol?

Decane is an alkane having ten carbon atoms in its carbon chain. What is the total number of hydrogen atoms in decane?

Which of the following is usually the weakest intermolecular interaction in small molecules?