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romanna [79]
3 years ago
10

All fossil fuels contain this element. iron hydrogen copper magnesium

Chemistry
2 answers:
IrinaVladis [17]3 years ago
6 0
B)Hydrogen is the answer.......
Rama09 [41]3 years ago
5 0
<h2>Answer : Option B) Hydrogen</h2><h3>Explanation :</h3>

All fossil fuels contains hydrocarbons in it. Amongst the given options hydrogen is the correct answer. Except that it contains carbon in it. Hydrocarbons are those class of compounds which contains hydrogen and carbon as element in it.

      They are considered to be good fuels because they naturally bring out complete combustion as they contain hydrogen and carbon in its compound form.

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The solubilty of a gas is 1.6 g/l at 760 mmhg what is the solubility of the same gas at a pressure of 2.5 atm? assume temperatur
jok3333 [9.3K]
We are going to use Henry's law:

when C1/P1 = C2/P2

at a constant temperature.

and when the C1 and C2 are the concentration of the gases ( the solubility)

and P1 and P2 is the Pressure 1 and pressure 2 

and when 760 mmHg = 1 atm

so, by substitution:

1.6 g/L / 1 atm = C2 /2.5 atm 

∴C2 = 1.6g/L *2.5atm /1 atm

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8 0
4 years ago
Please help, this homework is due soon and I keep getting stuck.
julia-pushkina [17]
A is Tetrahedral

B is Bent

C is Trigonal Pyramidal

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Hope this helps! :)


8 0
3 years ago
Read 2 more answers
1093.5 rounded into 3 sig figs
Ray Of Light [21]
Significant figures means the number of important figures, 0 not included.

This means that the answer is 1094.00

Hope this helps! :)

3 0
3 years ago
How many types of ions must be present in solution, at minimum, for the phenomenon of selective precipitation to be observed? Yo
saw5 [17]

Answer:

Two (2) types of ions

Explanation:

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I hope this was helpful.

7 0
3 years ago
A regular 3-d spatial arrangement of points that correspond to atom positions within a crystal is called_______?
Soloha48 [4]

Answer:

Explanation:

Lattice

8 0
2 years ago
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