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Vsevolod [243]
3 years ago
13

9. A 35.2-mL, 1.66 M KMnO4 solution is mixed with 16.7 mL of 0.892 M KMnO4 solution. Calculate the concentration of the final so

lution.
Chemistry
1 answer:
saw5 [17]3 years ago
7 0

Answer:

I think that the answer is 0.79M

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PLEASE HELP I HAVE TO DO THIS BENCHAMRK QUESTION!!!
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PLEASE HELP I HAVE TO DO THIS BENCHAMRK QUESTION!!!


The chart shows parts of a plant and an animal, at different levels of organization. Consider the plant images. If we are referring to levels of organization in a plant which picture can BEST be used to fill in box Y?

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8 0
3 years ago
Two colorless solutions are mixed together bubbles form as the solution is stirred give to possible explanations for this result
Aleks [24]
One possible answer could be that a chemical reaction has occurred.
5 0
2 years ago
A critical reaction in the production of energy in biological systems is the hydrolysis of adenosine triphosphate (ATP) to adeno
Archy [21]

Answer:

ΔG° of reaction =  -47.3 x 10^{3} J/mol      

Explanation:

As we can see, we have been a particular reaction and Energy values as well.

ΔG° of reaction = -30.5 kJ/mol

Temperature = 37°C.

And we have to calculat the ΔG° of reaction in the biological cell which contains ATP, ADP and HPO4-2:

The first step is to calculate the equilibrium constant for the reaction:

Equilibrium Constant K = \frac{[HPO4-2] x [ADP]}{ATP}

And we have values given for these quantities in the biological cell:

[HP04-2] = 2.1 x 10^{-3} M

[ATP] = 1.2 x 10^{-2} M

[ADP] = 8.4 x 10^{-3} M

Let's plug in these values in the above equation for equilibrium constant:

K = \frac{[2.1x10^{-3}] x [8.4x10^{-3}] }{[1.2 x 10^{-2}] }

K = 1.47 x 10^{-3} M

Now, we have to calculate the ΔG° of reaction for the biological cell:

But first we have to convert the temperature in Kelvin scale.

Temp = 37°C

Temp = 37 + 273

Temp = 310 K

ΔG° of reaction = (-30.5 10^{3}) + (8.314)x (310K)xln(0.00147)

Where 8.314 = value of Gas Constant

ΔG° of reaction = (-30.5 x 10^{3}) + (-16810.68)

ΔG° of reaction = -47.3 x 10^{3} J/mol

5 0
2 years ago
Which Two process is it Giving brainliest
Masja [62]

Answer:

C and D!

Explanation:

Don't listen to the other dude above me.

8 0
3 years ago
Which of the following demonstrates a double-replacement reaction?
Volgvan
A: Na3PO4 + MnCl2 > Mn3(PO4)2 + NaCl
6 0
2 years ago
Read 2 more answers
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