In the following equation, identify the Bronsted-Lowry acid, Bronsted-Lowry base, conjugate acid, and conjugate base:
NH3 + HC2H3O2 --> NH4+ + C2H3O2-

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?