Chemistry Final
Express the temperature, 422.35 K, in degrees Celsius.
149.20 °C {C=K-273.15}
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.
An element cannot __________.
be separated into other substances by chemical means
A combination of sand, salt, and water is an example of a __________.
heterogeneous mixture
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