4. A solution contains 4.5 x 10^-5 M HCl. Determine the following:

a. [H3O+] b. [OH-] c. pH

How to be better at kickball?

How many grams of Br are in 335g of CaBr2

We can block light by placing obstacles in its path, but it's much more difficult to block sound. Why? Sound waves are transverse waves. Sound waves can move through various mediums. Sound waves have high frequencies.

What types of rocks must form near Earth's surface?

Which experimental evidence supports Ernest Rutherford's theory that the atom is mostly empty space? Positively charged particles shot into gold foil are deflected by the foil.

Why nucleus is stable?

Which answer defines exothermic reaction

Enter a balanced chemical equation for the combustion of gaseous methanol.

Being able to identify good source of scientific information and apply the knowledge to problems in your life is a part of having A Scientific hypothesis B Scientific inquiry C Scientific literacy D Scientific laws

Hexane and heptane are miscible with each other in all proportions. In making a solution of them, is the entropy of the system increased, decreased, or close to zero, compared to the separate pure liquids? a. The entropy of the system is increased.