Argon makes up 0.93 % of the atmosphere. In a given sample of air, the partial pressure of argon is 6.54 mmHg. what is the pressure of the sample?

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

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.

Which fact represents evidence for the big bang theory?