A sample of gas has a volume of 5.0 L when at a temperature of 320K and a pressure of 2 ATM. How many moles are there of this gas?

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.

Calculate the concentration of all species in a 0.165 m solution of h2co3.

What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent