Which of the following is the final and major product of this reaction?

A mixture of 1-heptyne, 2-heptyne, and 3-heptyne was hydrogenated in the presence of a platinum catalyst until hydrogen uptake ceased. If one assumes that the hydrogenation went to completion, how many distinct seven-carbon hydrocarbons were produced?

Which of the alkyne addition reactions below involves an enol intermediate?

The reagent needed to convert 2-butyne to cis-2-butene is

Which of the alkyne addition reactions below involves an enol intermediate?

Place the following blood vessels in the CORRECT order to return blood to the heart from the 5th digit.1-axillary vein2-subclavian vein3-brachial vein4-ulnar vein5-brachiocephalic vein6-superior vena cava

Which of the following is considered a normal blood pH?

Mr. Smith, who has heart disease, has been given the drug verapamil, which is a calcium channel blocker that affects cardiac muscle cells.  All of the following would decrease for him EXCEPT

Mr. Smith, who has heart disease, has been given the drug verapamil, which is a calcium channel blocker that affects cardiac muscle cells.  All of the following would decrease for him EXCEPT

Place the following blood vessels in the CORRECT order to return blood to the heart from the 5th digit.1-axillary vein2-subclavian vein3-brachial vein4-ulnar vein5-brachiocephalic vein6-superior vena cava