Bromine is one of only two elements that is a liquid at room temperature. bromine has a heat of vaporization of 30.91 kj/mol and its boiling point is 59 °c. what is the entropy of vaporization for bromine?
a. -301 j/(mol∙k)
b. -93.1 j/(mol∙k)
c. 10.7 j/(mol∙k)
d. 93.1 j/(mol∙k)

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

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.

Why is carbon ideal for making different compounds?