If an object occupies a volume of 2.6 mL and has a mass of 12.8716 g, what is the density for this object?

What happens when light is scattered?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

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?