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SashulF [63]
3 years ago
5

1.

Chemistry
1 answer:
Inessa05 [86]3 years ago
7 0
I don’t understand the question
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NaOH has a molarity of 2.5 M and a volume of 4 Liters, how many moles are in<br> the solution?
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Answer:

10. mol NaOH

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Explanation:

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\text{density}=\dfrac{\text{mass}}{\text{volume}}\\\\m=d\times V\\\\m=19.3\ g/cm^3\times (30\times 30\times 40)\ cm^3\\\\m=694800\ g\\\\\text{or}\\\\m=694.8\ kg\approx 700\ kg

An average student has a mass of 70 kg. If we compare the mass of student and mass of backpack, we find that the backpack is 10 times of the mass of the student.

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3 years ago
Give one example of fast erosion and one example of slow erosion. Use complete sentences.
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CHEGG A chemist requires a large amount of 1-bromo-4-phenyl-2-butene as starting material for a synthesis and decides to carry o
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Answer: hello attached below is the complete question

answer :

attached below

Explanation:

Diagram of the all the observed products are attached below

note: through radical mechanism The free radicals are stabilized by resonance

Attached below

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2 years ago
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