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Gennadij [26K]
3 years ago
6

The burning of fossil fuels results in which type of chemical reaction

Chemistry
2 answers:
blondinia [14]3 years ago
6 0
The answer is Combustion.
Alika [10]3 years ago
5 0
It results in a combustion reaction
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How many moles are there in 2.00 x 10^19 molecules of CCl4
HACTEHA [7]

Answer: 0.0000332mol

Explanation: 1mole of CCl4 contains 6.02x10^23 molecules.

Therefore, X mol of CCl4 will contain 2 x 10^19 molecules i.e

Xmol of CCl4 = 2 x 10^19/ 6.02x10^23 = 0.0000332mol

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What Element am I?
rjkz [21]

Answer:

The correct answer is - sulfur.

Explanation:

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As it has 6 valency of electron it must be in the 16 group of the table that comprises the 6 valency and as it is located in the 3rd row it must be sulfur that also has an atomic mass between selenium and oxygen.

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3 years ago
Which of the following is the reason that the lemurs shown below share many traits?
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What is the percent composition by mass of nitrogen in NH4OH?
Juliette [100K]
 <span>the atomic mass of nitrogen is 14. There is 1 nitrogen atom in the molecule so the percentage of N is :

14/35 x100% = 40%</span>
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3 years ago
5) How many moles are in 5 Liters of H2 gas?
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4 0
3 years ago
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