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Arturiano [62]
4 years ago
15

Identify one process involved in recycling carbon dioxide within ecosystems.

Chemistry
1 answer:
seropon [69]4 years ago
7 0
The process is called photosynthesis
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Suppose the formation of nitrogen dioxide proceeds by the following mechanism
taurus [48]

Answer:

Overall reaction equation:

2NO (g) + O2(g) ---------> 2NO2(g)

Overall rate= k1 [NO]^2

Explanation:

Overall reaction equation:

2NO (g) + O2(g) ---------> 2NO2(g)

The overall reaction equation is obtained by adding the two equations. This now gives the actual overall equations when intermediates must have been cancelled out.

Since k1<<k2 which me as that the first step is much slower than the second step, then the first step is the rate determining step, being the slowest step in the non elementary reaction sequence.

Therefore overall rate;

Overall rate= k1 [NO]^2

7 0
3 years ago
What is 50% of 36?<br> O 9<br> O 16<br> O 18<br> O 34
Nutka1998 [239]
18 is 50% of 36
Like 36 divided by 2
6 0
3 years ago
Read 2 more answers
n acid with a pKa of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form
Nady [450]

Answer : The ratio of the protonated to the deprotonated form of the acid is, 100

Explanation : Given,

pK_a=8.0

pH = 6.0

To calculate the ratio of the protonated to the deprotonated form of the acid we are using Henderson Hesselbach equation :

pH=pK_a+\log \frac{[Salt]}{[Acid]}

pH=pK_a+\log \frac{[Deprotonated]}{[Protonated]}

Now put all the given values in this expression, we get:

6.0=8.0+\log \frac{[Deprotonated]}{[Protonated]}

\frac{[Deprotonated]}{[Protonated]}=0.01  

As per question, the ratio of the protonated to the deprotonated form of the acid will be:

\frac{[Protonated]}{[Deprotonated]}=100  

Therefore, the ratio of the protonated to the deprotonated form of the acid is, 100

5 0
3 years ago
What is the pH of a solution with (H3O+)=5.6x10-2M?
balu736 [363]

Answer:

Explanation:

Given parameters:

Concentration of H₃O⁺  = 5.6 x 10⁻²M

Solution:

To solve for the concentration of H₃O⁺ in the solution, we simply use the expression below:

            pH = -log₁₀[H₃O⁺]

where [H₃O⁺] =  5.6 x 10⁻²M is the concentration of H₃O⁺

            pH = -log₁₀[5.6 x 10⁻²] = - x -1.25 = 1.25

3 0
3 years ago
Read 2 more answers
Which of these is not a commonly mined metallic substance?
Sliva [168]

Answer:

C) quartz

Explanation:

Quartz is a common mineral. Also, quartz isn't a metallic substance. I'm hoping that this helps :)

5 0
3 years ago
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