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labwork [276]
3 years ago
9

How many atoms are in FeS₂?

Chemistry
1 answer:
hammer [34]3 years ago
6 0

Surface model,we used a supercell of

16.1106×16.1106×18.0 And a model of a 3 × 3

9 atoms..

<h3><u>if</u><u> this</u><u> answer</u><u> helps</u><u> you</u><u> plz</u><u> mark</u><u> as</u><u> brainlist</u><u>.</u><u>.</u></h3><h2><u>But</u><u>,</u><u> don't</u><u> </u><u>report </u><u>my</u><u> answer</u><u>.</u><u>.</u></h2>

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I don’t know the answers to these pls help
stepladder [879]

Answer:

4. Option C. Pentane.

5. Option D.

Explanation:

4. Hydrocarbons are compound containing carbon and hydrogen only. Hydrocarbons are said to be saturated when they contain only carbon to carbon single bond. All alkanes are saturated hydrocarbon.

The correct answer is pentane.

5. Isomerism is the phenomenon whereby two or more compounds have the same molecular formula but different structural patterns. The compounds involved are called isomers.

A careful observation of the diagram above shows that only option D satisfied the definition of Isomerism as the two compound both have the same molecular formula as C3H8O but different structural patterns.

Note: option C does not contain isomers as Isomerism can not occur in a compound having just 1 carbon atom.

5 0
3 years ago
When calculating specific heat, what does the variable 'Q'
mariarad [96]
The answer is AIM NOT POSTIVE
4 0
2 years ago
Read 2 more answers
The two boron atoms listed in the table are isotopes of the boron. The two carbon atoms and the two oxygen atoms are also called
Ivan

Answer:

A type of an atom which has a different number of neutrons but the same atomic number, therefore making it the same element. This atom would still have the same properties as well. (Ex: Vanadium-51 is an isotope of Vanadium that has 51 neutrons but still has 23 protons, as its atomic number is 23.)

3 0
2 years ago
How can there be more than 1000 different atoms when there are only about 100 different elements?
Irina-Kira [14]
Um im pretty sure there are only about 100 different atoms...
7 0
3 years ago
A student obtained 1.57 g of product in a chemical reaction in the lab although she expected to produce 2.04 g of product. What
Veronika [31]

Answer:

D. 77.0%

Explanation:

% yield = actual yield/theoretical yield x 100%

% yield = 1.57 g / 2.04 g x 100%

% yield = 76.96 (round up)

4 0
2 years ago
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