Which of the following substituents will activate an aromatic ring towards the electrophilic aromatic substitution that takes place in the 2nd half of the azo dye synthesis? (choose all that apply)
Group of answer choices:
O OH
O NH2
O SO3H
O OCH3
O N(CH3)2
O Cl
O C(O)CH3

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa