Si la frecuencia de una onda es de 15,000 Hz y viaja a través del agua a 1,500 m/s, ¿cuál es el largo de esta onda

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

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.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?