1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Olegator [25]
3 years ago
12

Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?

Chemistry
2 answers:
enot [183]3 years ago
8 0

Answer:

It became from decaded. plants and trees

Explanation:

coal is very useful in our life

dimaraw [331]3 years ago
6 0

Answer: i dont know

Explanation: im so sorry

You might be interested in
How many molecules of CO2 are present
allochka39001 [22]
Where’s the question or equation
6 0
3 years ago
What is the standard enthalphy change ΔHo, for the reaction represented above? (ΔHof of C2H2(g) is 230 kJ mol-1; (ΔHof of C6H6(g
wolverine [178]

Answer:

-608KJ/mol

Explanation:

3 C2H2(g) -> C6H6(g)

ΔHrxn = ΔHproduct - ΔHreactant

ΔHrxn= ΔHC6H6 - 3ΔHC2H2

ΔHrxn = 83 - 3(230)

ΔHrxn = -608

6 0
3 years ago
How far up can a 200 N elevator be lifted with 600 j of energy
nekit [7.7K]
<span>A 50 kg student runs up a flight of stairs that is 6 m high. How much work is done? 3000 J. Calculate the work done when a force of 1 N moves a book 2 m. 2 J .... 200 W, 100 W. Calculate the power expended when a 500. N barbell is lifted 2.2 m in 2.0 seconds. 550 W. energy. the property of an object or system that ...</span>
7 0
3 years ago
Guys, please, please help!!
shutvik [7]
Ookay 

1) T 
2) T
3) F

Hope i helped :)

6 0
3 years ago
Read 2 more answers
In the combustion of ethane, what is/are the reactant(s)?
aleksley [76]
Reactant are those that combine or reacts to give products !!

so in combustion of ethane ; ethane and o2 are reactants so ... your answer is B !!
5 0
3 years ago
Read 2 more answers
Other questions:
  • Is water a solid, liquid, or gas at 245 kelvin
    6·2 answers
  • What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?
    13·1 answer
  • Your chemistry experiment requires you to mix two chemicals in a test tube. To safely observe the chemical reaction you should:
    12·1 answer
  • Why did the Mt. Pinatubo eruption result in global temperatures dropping almost two degrees?
    14·1 answer
  • Mr.Davies has requested that you wait for 10 more minutes is that informal or formal
    11·2 answers
  • Mendeleev arranged the known chemical elements in a table according to increasing
    11·1 answer
  • . There are two elements named after the US state that they were discovered in. Who are they?
    12·1 answer
  • What is the correct way to show sodium chloride in aqueous solution? A.NaCl (s) B.NaCl (w) C.NaCl (as) D.NaCl (aq)
    9·2 answers
  • Let's just say I want to get my mixture to a certain pH but I add too much water to my solution. Can I just add the same volume
    10·1 answer
  • D) Evaluate your answer and explain why your answer makes sense​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!