Who discovered the principle that equal volumes of gases at the same temperature and pressure contain the same number of particles?

Amedeo Avogadro

John Dalton

Jacques Charles

Ernest Rutherford

An antacid tablet added to a glass of water fizzes and bubbles as it mixes. Which of the indicators of a chemical change is represented in this scenario? A) formation of a precipitate B) change in energy C) formation of a gas D) change in color

In a uranium fission reaction, uranium splits into two smaller atoms and energy. Where did the energy come from? A. Chemical bonds are broken, and chemical energy is released. B.

What does Hund's rule state? A. An orbital can contain two electrons only if the electrons have opposite spins. B. An orbital can contain two electrons only if all other orbitals at that sublevel are empty. C.

Which color corresponds to 6?2 transition? 5? 2 transition? 4?2 transition? 3?2 transition? Explain your reasoning.

Which sub-layer thins out into space, where there is no air

Energy that is lost as heat to the environment is destroyed.

Determine the oxidation state of cl in naclo3

Gordon adds a piece of solid zinc metal to a beaker of hydrochloric acid. He identifies the products as zinc chloride and hydrogen gas. Which process took place in the beaker?

320.93 - (6109.7/2.3) Express your answer to the appropriate number of significant digits.

The osmotic pressure is found to depend on the concentration of the solution. What way, directly or inversely