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ruslelena [56]
3 years ago
14

What is an easy science subject to write an 8 page essay on?

Chemistry
2 answers:
WINSTONCH [101]3 years ago
8 0
Calculating speed or atoms and molecules or planets!




Hope i helped plz mark as brainlist!
VladimirAG [237]3 years ago
8 0
Here is my opinion:

You should write about the body systems theirs many facts and things you can learn and it is also science.
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Na has a larger atomic radius than Na+.

Explanation:

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What element is reduced in the following reaction?
riadik2000 [5.3K]
 the oxidation states of the elements before and after the reaction is;
Pb oxidation state changes from 0 to +2
SO₄²⁻ ion there's no change in the oxidation state during the reaction
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3 years ago
14. Which of the following is produced when propane (C3H8) is combusted completely? (2 points)
Ymorist [56]

The following is produced when propane (C₃H₈) is combusted completely : H₂O

<h3>Further explanation  </h3>

Complete combustion of Hydrocarbons with Oxygen will be obtained by CO₂ and H₂O compounds.  

If O₂ is insufficient there will be incomplete combustion produced by CO and H and O  

Hydrocarbon combustion reactions (especially alkanes)  \large {\boxed {\bold {C_nH _ (_2_n _ + _ 2_) + \frac {3n + 1} {2} O_2 \Rightarrow nCO_2 + (n + 1) H_2O}}}

For combustion of propane C₃H₈ (n = 3) ⇒ completely(excess O₂) :

C₃H₈+5O₂⇒3CO₂+4H₂O

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7 0
3 years ago
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diamong [38]

Answer: The Earth is an oblate spheroid which is more elongated along the equator.

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