Exam (elaborations)
PHYSICS 143 Exam 1 Questions And Answers Latest Update
- Course
- PHYS 143
- Institution
- University Of Illinois - Urbana-Champaign
PHYSICS 143 Exam 1 Questions And Answers Latest Update
[Show more]
Content preview
PHYSICS 143 Exam 1 QuestionsAnd Answers Latest Update
Energy Basics ANS✔✔ Power is energy over time
w=f*d
KE (equation for Kinetic Energy) ANS✔✔ 1/2 x mass x velocity²
PE(equation potential energy) ANS✔✔ mg or mgh
How is oil formed ANS✔✔ -starts as plankton
-water oxygenated
-abundant bottom dwelling scavengers
-bio productivity Alge bloom
-organic matter preserved in sediments
-burial of organic matter in rock
10-150 million years
-oil created.
how is gas formed ANS✔✔ from organic material mainly deposited as
sediments on the seabed and then broken down and transformed over millions
of years.
, petroleum refining process ANS✔✔ a process in which a liquid or vapor
mixer of two or more substances is separated into its component fractions of
desired purity, by application of removal of heat. (distillation)
How is natural gas formed? ANS✔✔ A gaseous mixture of naturally
occurring hydrocarbons
Primarily methane: 80-95%
Ethane: C2H6
Same origins as oil
Less costly source
Least polluting of the three major fossil fuels
Coal Formation ANS✔✔ Coal deposits come from Carboniferous period (320
million years ago)
As the plants died, formed peat
These layers were typically sandwiched between layers of sediment like shale
Time, pressure, and temperature converted the plant material to coal
types of coal ANS✔✔ anthracite(86 and 98%), bituminous(45-86)*,
subbituminous(35-45), lignite(25-35)
shale oil ANS✔✔ Contains an organic substance called kerogen
Shale oil results from condensing vapors that can be refined to produce
gasoline, fuel, oil. (expensive)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now