3. Matter and Energy

Pure acetic acid, which gives the sour taste to vinegar, has a melting point of 16.7 ° C and a boiling point of 118 ° C . Predict the physical state of acetic acid when the ambient temperature is 10 ° C .

Describe each of the following as a physical or chemical property: b. Hydrogen reacts readily with oxygen.

Describe each of the following as a physical or chemical property: a. Chromium is a steel-gray solid.

Describe each of the following as a physical or chemical property: e. Propane gas is compressed to a liquid for placement in a small cylinder.

Which element is both malleable and ductile?

Which element is most likely to bend without breaking (i.e., is the most malleable) under normal conditions?