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Simora [160]
3 years ago
14

(Element or Compound) C2H30

Chemistry
2 answers:
Bond [772]3 years ago
6 0

Answer:

C2H30 is a compound formed when atoms of Carbon, Hydrogen and Oxygen reacts together.

muminat3 years ago
4 0

Answer:

C2H30 is a compound formed when atoms of Carbon, Hydrogen and Oxygen reacts together

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One characteristic of a scientific theory is that____
Sladkaya [172]

Answer: it should be as simple and logical as possible.

Explanation: when producing a scientific theory, one shouldn't introduce stretched realities. For example, if I come back home and find the fridge open, it's very unlikely that a pink elephant came into my house while I was gone and opened it, I must have left it open when I left.

3 0
3 years ago
A ___________ is a heterogeneous mixture in which the particles settle to the bottom.
uysha [10]
<h2>suspension should be correct </h2>

<u>a suspension  </u>

<em>the particles are big enough to settle  </em>

<em> </em>

<u>a colloid</u>  

<em>the particles are too small to ever settle </em>

<u>a solution </u>

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3 0
3 years ago
A natural water with a flow of 3800 m3/d is to be treated with an alum dose of 60 mg/L. Determine the chemical feed rate for the
svet-max [94.6K]

Explanation:

First, we will calculate the feed rate of alum as follows.

   \frac{\text{60 mg alum}}{\text{1 L water}} \times \frac{\text{1000 L water}}{1 m^{3}} \times \frac{3800 m^{3}}{day} \times \frac{\text{1 g alum}}{\text{1000 mg alum}}

                  = 228000 g/day

Converting this amount into g/min as follows.

     \frac{228000 g}{1 day} \times \frac{1 day}{1440 min}

          = 158 g/min

Now, the chemical equation will be as follows.

    Al_{2}(SO_{4})_{3}.14H_{2}O \rightarrow 2Al(OH)_{3}(s) + 6H^{+} + 3SO^{2-}_{4} + 8H_{2}O

 \frac{\text{30 mg alum}}{1 L} \times \frac{\text{1 mmol alum}}{\text{594 mg alum}} \times \frac{\text{3 mmol SO^{2-}_{4}}}{\text{1 mmol alum}}

      = 0.151 mmol mmol SO^{2-}_{4}/L

\frac{0.151 mmol SO^{2-}_{4}}{L} \times \frac{\text{2 meq SO^{2-}_{4}}}{\text{1 mmol SO^{2-}_{4}}} \times \frac{\text{1 meq Alk}}{\text{1 meq SO^{2-}_{4}}} \times \frac{\text{50 mg CaCO_{3}}}{\text{1 meq Alk}}

           = 15.15 mg CaCO_{3}/L

For precipitate:

Al_{2}(SO_{4})_{3}.14H_{2}O \rightarrow 2Al(OH)_{3}(s) + 6H^{+} + 3SO^{2-}_{4} + 8H_{2}O

  \frac{\text{30 mg alum}}{1 L} \times \frac{\text{1 mmol alum}}{\text{594 mg alum}} \times \frac{\text{2 mmol Al(OH)_{3}}}{\text{1 mmol alum}} \times \frac{\text{78 mg Al(OH)_{3}}}{\text{1 mmol Al(OH)_{3}}}

     = 7.88 Al(OH)_{3}/L

  \frac{7.88 mg Al(OH)_{3}}{1 L} \times \frac{3800 m^{3}}{1 day} \times \frac{1000 L}{1 m^{3}} \times \frac{1 kg}{10^{6} mg}

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3 0
4 years ago
Can some body plz help correct me or correct the true or false answers I did wrong. I’m not sure there right :(
3241004551 [841]

4 3 and 5 are wrong:)

4 is true and 5 is false

4. insulators are really thick materials that keep electrons within their space.

For example, a charger the rubber is the insulators and the electrons are flowing inside of the charger so you don't get shocked.

5. without the force of attraction, there are no atoms:)

for number 3, its a trick question

Hope this helped!

(learned these this year so I didn't forget them:)

8 0
3 years ago
Draw an energy flow diagram showing the energy transformation from one form to another.
exis [7]
This is the flow! your answer can be found online

8 0
3 years ago
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