For the following mixture of tautomers, which direction is the equilibrium expected to predominantly lay?

For the following mixture of tautomers, which direction is the equilibrium expected to predominantly lay?

What reactants are expected to afford the following Diels-Alder adduct?

Which is the oxaphosphetane intermediate?

1,3,5,7-Cyclooctatetraene exists in a tub conformation as shown below. Which of the following statements is true for 1,3,5,7-cyclooctatetraene?

What is the expected product?

What is the change in oxidation states for the iodine atom for the reaction? ©GMU_721514_1 Do_NOT_Copy_or_Post_©GMU_721514_1

What kind of error is in the sentence or sentences below:  After dinner, Janet and Tim plan to home and list to some music. Probably underneath the stars. 

How many adverbs are in the sentence or sentences below: Katrina Richards is another backup singer, and she sings quite beautifully. She developed her vocal skills early in life by performing frequently at the Pentecostal church her family attended when she was a child. 

What kind of error is in the sentence or sentences below:  Tim plays bass guitar in their band, which is called Rotten Cabbage, and his favorite bass is a Hofner. He sometimes plays a Peavy bass. Usually when practicing.