A student builds a circuit that lights a lightbulb. A second bulb is added to the same loop between the first bulb and the battery. Which statement
describes the brightness of each bulb?
Each bulb will be dimmer than the first bulb was.
O The first bulb will be dimmer than it was, and the second bulb will not light.
O Each bulb will be as bright as the first bulb was.
O The first bulb will be the same brightness, and the second bulb will be dimmer.

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.