When a gas is put in a container it... a. does not change shape.
b. fills up the container.
c. fills up the container and fills it up top to bottom.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.