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3 years ago

The diagram shows three steps in the carbon cycle.

Chemistry

2 answers:

FrozenT [24]3 years ago

8 0

According to the diagram, cellular respiration and photosynthesis are the phrases that best summarize the events taking place in Step 2.

<h3>What is the Carbon Cycle?</h3>

It is the way carbon circulates through the atmosphere, the oceans, and the Earth's surface and interior.

Cellular respiration and photosynthesis respectively release and capture carbon dioxide from the atmosphere, as a by-product or input of their biochemical pathways, carbon from CO2 is absorbed by plants and released along with water vapor during animal respiration.

Therefore, we can conclude that according to the diagram, cellular respiration and photosynthesis are the phrases that best summarize the events taking place in Step 2.

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zaharov [31]3 years ago

3 0

I'd say Photosynthesis and Storing carbon dioxide in living organisms.

But the person above me shows alot more detail than I have.

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g100num [7]

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3 years ago

What is the kb of the base po−34 given that a 0. 48m solution of the base has a ph of 12. 70? the equation described by the kb v

podryga [215]

The equation described by the kb value is 5.21 x $10^-^3$ .

The potential of Hydrogen is what pH is formally known as. The negative logarithm of the concentration of H+ ions is known as pH. Thus, the definition of pH as the amount of hydrogen is provided. The hydrogen ion concentration in a solution is described by the pH scale, which also serves as a gauge for the solution's acidity or basicity.

Assuming PO₄³⁻ (the phosphate anion).

PO₄³- + H₂O ==> HPO₄²⁻ + OH⁻

Kb = [HPO₄²⁻][OH⁻] / [PO₄³⁻]

We can find the [OH⁻] from the pH of 12.70.

pH + pOH = 14

14.0 - 12.7 = 1.3 = pOH

[OH] = 1x $10^-^1^.^3$

[OH-] = 5.0x $10^-^2$ M

[HPO₄²⁻] = 5.0x $10^-^2$ M

Kb = (5.0x $10^-^2$ )2 / 0.48

= 2.5x $10^-^3$ / 0.48

Kb = 5.21 x $10^-^3$

Learn more about pH here:

brainly.com/question/8758541

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1 year ago

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emmasim [6.3K]

The empirical formula for this would be FeS

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3 years ago

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vaieri [72.5K]

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4 years ago

Can somebody plz tell me which one I should circle for each question thanks!!!

marusya05 [52]

Answer:

1. False

2. True

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4. True

5. False

Explanation:

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3 years ago

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