Ron sells helium‐filled balloons in a park. He has a tank filled with 7.8E24 molecules of helium gas. If each balloon holds 1.6 liters, how many balloons can he fill? [Assume STP]

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Draw the structure for 5-isopropyl-2-methyl-3-nonene

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius