What is the percentage of aluminum in aluminum oxide (al2o3?

The rate at which a substance evaporates is called what?

In the following equation, which compounds are the reactants? NaCl + AgNO → NaNO + AgCl

In the reaction mgcl2 + 2koh mg (oh) 2 + 2kcl, if 3 moles mgcl2 are added to 4 moles koh what determines how much mg (oh) 2 is made

Which is a chemical change A ice melting B ice being carved C. water boiling D water breaking down into hydrogen and oxygen

What is the difference between mass and volume?

What is the law of conservation of energy? A) energy can only be destroyed B) energy will always be renewed. C) energy cannot be created of destroyed. D) energy can never change forms.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?

How many neutrons are in Cesium-130 (Cs) ? 55 75 130 185