Chemistry Final

A combination of sand, salt, and water is an example of a __________.

heterogeneous mixture

An element cannot __________.

be separated into other substances by chemical means

Which of the following are chemical processes?
1. rusting of a nail
2. freezing of water
3. decomposition of water into hydrogen and oxygen gases
4. compression of oxygen gas

rusting of a nail & decomposition of water into hydrogen and oxygen gases

Which one of the following is the highest temperature?

220�F {Convesion

Which one of the following is true about the liter?

It is equivalent to a cubic decimeter.

Express the temperature, 422.35 K, in degrees Celsius.

149.20 �C {C=K-273.15}