Calculate the mass of ammonia (NH3) that contains a billion 1.00 × 10 hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits. x10

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Which three statements represent the benefits of performing experiments using computer simulations?