A star is born whenever a nebula expands ... True Or False?

After a reaction has gone to completion, it is not reversible.

How do you use the new hypothesis

Natalia is studying a wave produced in her magnetics lab. this wave can move through the empty space in a vacuum and carries a lot of energy. what wave is natalia most likely studying? a sound wave an ocean wave a gamma ray an earthquake shock wave

Lights that are placed one after another in one closed path form a

Collision theory states that the rate of a reaction depends on the number of collisions between molecules or ions, the average energy of the collisions, and their effectiveness.

Flammable materials like alcohol should never be dispensed or used near True or False

The diagram to the right shows energy for two reactions, A and B. Which reaction has the higher Gpx?

To be considered a source of water pollution, the source must include a chemical.

2,000 kJ worth of heat is absorbs by each of the following objects. Which object will experience the smallest temperature change

How are real gases different from ideal gases?