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Zielflug [23.3K]
2 years ago
14

Does the amount of air change the time it will take to burn completely?

Chemistry
1 answer:
Veronika [31]2 years ago
8 0

Explanation:

The answer is yes. Adding O2 to a fire, feeds a fire creating bigger flames or almost completely burning a building,.. etc....

depending on what kind of structure.

little O2 usually makes a fire burn itself out because there is not enuf oxygen or its contained...

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The modern synthesis combined the concepts of _______ and evolution.
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Molecular Evidence.
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Calculate the number of moles equivalent to 12.7 gram of iodine molecule ​
Alexus [3.1K]

\LARGE{ \boxed{ \purple{ \rm{Answer}}}}

☃️ Chemical formulae ➝ \sf{I_2}

How to find?

For solving this question, We need to know how to find moles of solution or any substance if a certain weight is given.

\boxed{ \sf{No. \: of \: moles =  \frac{Given \: weight}{Molecular \: weight} }}

Solution:

❍ Molecular weight of \sf{I_2}

= 2 × 126.90

= 253.80

= 254 (approx.)

❍ Given weight: 12.7

Then, no. of moles,

⇛ No. of moles = 12.7 / 254

⇛ No. of moles = 0.05 moles

⚘ No. of moles of Iodine molecule in the given weight = <u>0.05</u><u> </u><u>moles </u>

<u>━━━━━━━━━━━━━━━━━━━━</u>

6 0
3 years ago
Read 2 more answers
SO2________________.
Mashcka [7]

Answer:

a. Dipole-dipole bonding

Explanation:

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So, the correct answer is a.

6 0
3 years ago
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