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Stella [2.4K]
3 years ago
12

Which questions should you consider when analyzing the credibility of a source? Check all that apply.

Chemistry
2 answers:
zepelin [54]3 years ago
8 0

Answer:

A- who created the source, B- how long will it take to review the source, D - why did the author. create the source. These should be your answers.

Masteriza [31]3 years ago
5 0

Answer:

A: Who created the source?

C: What type of experience does the author have?

D: Why did the author create the source?

Explanation:

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What are the products in the equation for cellular respiration? A. Oxygen and lactic acid b. Carbon dioxide and water c. Glucose
Colt1911 [192]
<span>Cellular respiration is the chemical reaction in which glucose and oxygen are turned into water, carbon dioxide, and energy. Now you know the answer. :P</span>
4 0
3 years ago
To fulfill the octet rule electron sharing leads to ____ electrons around each atom?
Dimas [21]
D. 8

You can predict it from it's name "Octet" means Eight. Atom must have that number of electron to have a stable structure!

Hope this helps!
5 0
2 years ago
Read 2 more answers
YALL I NEED HELP ASAP
masya89 [10]

Answer:

Yes

Explanation:

 

6 0
2 years ago
A cube of tin that is 112 mm on each side has a mass of 8.21 grams. A single tin atom has a mass of 118.7 amu. How many tin atom
Sveta_85 [38]

Answer:

4.17e+22 atoms of tin are present in the cube

Explanation:

We don't require the size of the cube. With the mass and the molar mass of tin = 118.7 amu we can find moles of Tin. As 1 mol = 6.022x10²³ atoms we can find the number of atoms:

<em>Moles Tin:</em>

8.21g * (1mol / 118.7g) = 0.0692 moles Tin

<em>Atoms Tin:</em>

0.0692 moles Tin * (6.022x10²³ atoms / mol) =

<h3>4.17e+22 atoms of tin are present in the cube</h3>
5 0
2 years ago
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
ryzh [129]
The balanced equation is 
4Fe+3O₂⇒2Fe₂O₃

We know that the mole of Fe₂O₃ is 6, and since the ratio between oxygen and <span>Fe₂O₃ is 3:2, we can see that

3:2 = x:6 (3 oxygen moles can make 2 </span>Fe₂O₃ moles = x oxygen moles can make 6 <span>Fe₂O₃ moles)
</span><span>
Multiply outside and inside (3*6 , 2*x) and put them on opposing sides of the equation

2*x = 3*6
2x=18
x=9
Therefore 9 moles of oxygen is needed.

</span>
6 0
3 years ago
Read 2 more answers
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