Which region (a-b-c) is a phenolic functional group?
A) a
B) b
C) c
D) b or c
E) b and c
Answer: E
You might also like to view...
At the second maxima on either side of the central bright spot in a double-slit experiment, light from
A) each opening travels the same distance. B) one opening travels twice as far as light from the other opening. C) one opening travels one wavelength of light farther than light from the other opening. D) one opening travels two wavelengths of light farther than light from the other opening.
Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light
(a) How many side maxima would be observed on one side of the central maximum? (b) What is the linear distance between the 1st and 2nd maxima?
A fan, electric heater, and lamp are connected in parallel across a 120-V line. The resistances are Rlamp = 148 ?, Rheater = 32 ?, and Rfan = 48 ?. What is the total current supplied to the circuit?
a. 17.0 A b. 7.06 A c. 0.526 A d. 1.90 A
Which of these properties describes a metal?
A) conducts heat very well B) brittle C) fragile D) transparent E) doesn't conduct electricity very well