If you wanted to increase the rate at which a reaction occurred, which of the following actions should you take?
Group of answer choices

nothing; each reaction proceeds at a unique rate that can not be changed

do the reaction over an ice bath

add more reactant

do the reaction in the dark

What shape would a molecule with two bound groups and two lone pairs have?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

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?