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Nezavi [6.7K]
3 years ago
10

Help !! Just number 10 ,11 ,12 thanks!

Chemistry
1 answer:
Marysya12 [62]3 years ago
6 0
10. the thing in the slide wasnt centered so the microscope magnefied on nothing 11. mive it tight 12. idk what a um is
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The symbol for the hydroxide ion is _____. <br> H +<br> H 3O - <br> H(OH) <br> OH -
erastova [34]
Your answer is D, OH-.
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Calculate the mass of Octane needed to release 6.20 mol Co2
n200080 [17]
The combustion reaction of octane is as follow,

                           C₈H₁₈  +  25/2 O₂     →     8 CO₂  +  9 H₂O

According to balance equation,

8 moles of CO₂ are released when  =  114.23 g (1 mole) Octane is reacted

So,

      6.20 moles of CO₂ will release when  =  X g of Octane is reacted

Solving for X,
                                     X  =  (114.23 g × 6.20 mol) ÷ 8 mol

                                     X  =  88.52 g of Octane
Result:
           88.52 g of Octane is needed to release 6.20 mol CO₂.
8 0
3 years ago
Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is
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When oxygen is depleted, the citric acid cycle stops. What could we add to the system to restore citric acid cycle activity (oth
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Answer:

NAD+, FAD.

Explanation:

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When oxygen is depleted, the citric acid cycle stops, apart from oxygen NAD+ and FAD could be added to the system to restore citric acid cycle activity. NAD+ acts as an electron acceptor.

Citric acid cycle/Kreb's cycle is an aerobic process that occurs in the mitochondria and produces thirty-six(36) ATPs.

8 0
3 years ago
The equation for the formation of water from hydrogen gas and oxygen gas is 2H2+O2→2H2O.
inn [45]

Answer:

180g

Explanation:

H:1   O:16

2H2+O2 → 2H2O

 2   2(16)       2(1)+(16)

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Now,

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5 0
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