Ethene can be made by cracking the hydrocarbon pentane, C5H12. C5H12 → C2H4 + C3H8
Explain why there is a ‘carbon cost’ for the process of cracking a hydrocarbon.

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Displacement is the slope of a velocity vs. time graph a. true b. false

What state of matter is ice a. liquid b. element c. solid d. gas