Ethanol has less energy per fuel mass than gasoline (C7H17), but ethanol can tolerate higher compression without knocking (i. e. ethanol has a higher octane number) which allows a higher compression ratio. Assume a gasoline spark ignited engine has a baseline compression ratio of 10:1. Use g

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3