Use the drop-down menus to rank the boiling points of the following hydrocarbons. Use a "1" to indicate the compound with the lowest boiling point. A carbon chain with 5 central carbons, with C H 3 bonded to the first, second, and last carbons in the chain.

2 central carbons with C H 3 bonded to the outside, and C H 3 bonded to the leftmost inside carbon.

2 central carbons, each with C H 3 bonded to them.

A central C has H bonded left, above, behind to the right, and in front to the right.

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н, о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.