• 500 waves pass by in 2 second. These waves have a wavelength of 6
m. What is the speed of the wave? Show your work.

Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?