Which of these is an example of a physical change?

a banana ripening in the air

hydrogen burning in the air

zinc reacting with an acid

liquid water turning into vapor

An island arc is found along the?

Why do crocodiles walk so gayly? I swear they walk like they got their nails done or something

Determine the new pressure of a sample of hydrogen gas if the volume and moles are constant, the initial pressure is 6.0 atm, and it is heated from 15°C to 30.°C.

What is a balanced chemical equation?

How would the electrons produced in a cathode ray tube filled with neon compare with the electrons produced in a cathode ray tube filled with chlorine gas?

What does the dashes line represent? A. Medium B. Boundary C. Normal D. Incident Ray

Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles ... 1) are elements 2) are very reactive 3) have a high surface area to volume ration

Describe the solubility of water compared to ethanol?

When the free-energy change (AG) of a reaction is negative, the reaction is said to be: Endergonic Non spontaneous Spontaneous Endothermic

The solubility of carbon dioxide gas in water can be increased by