What are similarities and differences among peat, Iignite, bituminous coal, and anthracite coal?

Answer 1

They are all composed of organic material. They differ in their rank of coalification and related energy content.

All of these compounds are derived from once living carbonaceous plant material that accumulated in bogs and swampy places in the geological past. As they are buried and over long periods of time, peat is transformed into lignite and then with further pressure, into bituminous coal and then anthracite.

Gradually water is squeezed out during this coalification process and the energy content tends to increase.

Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer 2

Similarities:

  1. Peat, lignite, bituminous coal, and anthracite coal are all types of coal formed from the remains of plant material that has undergone varying degrees of transformation over millions of years.
  2. They are all combustible substances that release energy when burned.
  3. They are used as sources of fuel for heating, electricity generation, and industrial processes.

Differences:

  1. Peat is the earliest stage of coal formation, characterized by low carbon content and high moisture content. Lignite, bituminous coal, and anthracite coal are progressively more mature forms of coal, with increasing carbon content and decreasing moisture content.
  2. Lignite has a higher moisture content and lower carbon content compared to bituminous coal and anthracite coal.
  3. Bituminous coal is a middle-grade coal with moderate carbon content and is commonly used in electricity generation and industrial processes.
  4. Anthracite coal has the highest carbon content and lowest moisture content among the four types, making it the most efficient and clean-burning form of coal.
  5. The energy density and heating value increase as coal matures from peat to lignite, bituminous coal, and anthracite coal.
Sign up to view the whole answer

By signing up, you agree to our Terms of Service and Privacy Policy

Sign up with email
Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

Not the question you need?

Drag image here or click to upload

Or press Ctrl + V to paste
Answer Background
HIX Tutor
Solve ANY homework problem with a smart AI
  • 98% accuracy study help
  • Covers math, physics, chemistry, biology, and more
  • Step-by-step, in-depth guides
  • Readily available 24/7