Oil and Natural Gas typically form in what environment? - answermarine life preserved
at the bottom of deep lakes
Hydrocarbons refer to which two elements? - answerhydrogen and carbon
Which of the fossil fuels are regional commodities with regional prices? - answercoal
and natural gas
Coal is formed in what enviornment? - answerplants in a humic, swamp environment
Which fossil fuel contains ash? - answercoal
How many ranks of coal are there? - answerfour
Which coal rank has the highest heating value? - answeranthracite
What two methods are used to mine coal? - answerdeep mining and mountaintop
removal
A proximate analysis shows that a certain lignite coal is 10% moisture, 30% volatiles,
and 10% ash. What is the % fixed carbon? - answer1 - .10 - .30 - .10 = 0.5 or 50%
carbon
Which coal rank has the highest percentage of volatiles? - answerlignite
Convert a coal price of $90/ton to $/MMBtu - answer$3.46/MMBtu
90/26 = 3.46
Which is more expensive, $100/ton of coal or$3/MCF of natural gas? - answer100/26 =
$3.85/MMBtu
3/1 = $3/MMBtu
Coal is more expensive
What is the main use for Petroleum? - answertransportation
Heavy Bitumen stuck to sand grains is called what? - answertar sands
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 julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.