5.13 I can describe the catalytic cracking of long-chain hydrocarbons

What is the difference between alkanes and alkenes?

What action allows the long chain hydrocarbons in Liquid Paraffin to break down into short chain hydrocarbons?

What is an alkene?

As the gas is being collected over water, why is it important to make sure that the water doesn't suck back into the test tube?

What happens to the rate of gas production as the experiment continues? Why?

When the tube is first heated why is the gas produced not collected?

In the experiment seen in the video, where does the cracking occur?

What is the main difference between the molecules before entering the cracker and after leaving the cracker?