It's an exciting and interesting process but those 5 points aren't worth a decent answer. The whole process is called fractioned distillation where different temperatures are reached, transforming the crude oil in gas. After being hit by a cold source it colds becoming different hydrocarbons depending on the temperatures.
Sulfur hexafluoride is octahedral, has 6 bonding pairs
bromine pentafluoride is square pyramidal, has 5 bonding pairs and 1 lone pair
I can answer your question if you have a picture or a writing, your welcome.
When water condenses, aka changes from gas to liquid, it releases the most heat energy. Your answer is condensation.
This is a really hard question. Because if you change it to 1,000 then that's only one. If you add the decimal so it's 1,000. , then that's 4 if you change it to 1,040, that's 3. So you can not change that to 2 significant digits.