Which of the following conversion units is WRONG concerning sodium chloride, NaCl? Question 14 options:

1)

6.02 x 1023 formula units / 1 mol

2)

1 mol/ 6.02 x 1023 formula units

3)

58.44 mol / 1 g

4)

1 mol/ 58.44 g

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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 would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same