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Gennadij [26K]
2 years ago
7

Which of the following correctly describes the importance of the carbon cycle? to recycle oxygen-based compounds to replenish ni

trogen in the atmosphere to decompose dead plant matter to replenish gases required by plants
Chemistry
2 answers:
Pepsi [2]2 years ago
6 0

The correct answer is  to replenish carbon dioxide needed by plants

Hope this helped!

Good luck :p

Brainliest is appreciated <3

~ Emmy

Keith_Richards [23]2 years ago
4 0

Answer:  To decompose dead plant matter

The series of processes by which carbon is interconverted into different forms in the physical and living environment. This includes the utilization of carbon dioxide by the plants in photosynthesis, it's return to the atmosphere through respiration by the organisms and by the burning of the fossil fuels.

The dead and decaying plant matter is a rich source of organic matter which consists of carbon as a chief ingredient. The decomposition process involves the break down of the dead and decaying matter into simper particles and nutrients easily absorbed by the plants and carbon dioxide gas is liberated to the atmosphere. This released out carbon dioxide becomes the part of the carbon cycle and it is absorbed by the plants from the atmosphere to conduct photosynthesis.

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<span>By definition:

pH = pKa + log [acetate]/ [acetic acid]

so

5.02 = 4.74 + log [acetate] / 10 mmole

10mmole = 10/1000 = 0.01 mole

5.02 = 4.74 + log [acetate] / 0.01

5.02 - 4.74 = 0.28 = log [acetate] /0.01


10^0.28 = </span><span>1.90546</span> = [acetate] / 0.01 <span>
[acetate] = 0.019 mole 

= 19 millimoles

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8 0
3 years ago
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As you move from left to right across the periodic table elements ?
Sidana [21]

Explanation:

Quite a number of properties varies across a period. Some remains constant whereas others decreases.

As one moves from left to right;

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Periodic table brainly.com/question/2014634

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6 0
3 years ago
What is the maximum number of moles of NaCl that can be produced from the reaction of 5.6 mol Na and 4.7 mol CI2?
RideAnS [48]

Answer:

Explanation:

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2 years ago
PLEASE HELP FAST!!!! Which of the following is NOT an intensive physical property?
Zarrin [17]
Volume is an extensive physical property and not an intensive one.
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2 years ago
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Express the frequency in inverse seconds. n=4--&gt;n=3. Can you please tell me what formulas to use, because I have like 6 more
bulgar [2K]

Answer:

  • 1.60×10¹⁴ s⁻¹

Explanation:

When an electron jumps from one energy level to a lower energy level some energy is released in the form of a photon.

The difference in energy between the two levels is the energy of the photon and that energy is related to the frequency of the photon by the Einstein - Planck equation:

  • E = hν

Where,

  • E = energy of the photon,
  • h = 6.626×10⁻³⁴ J.s, Planck constant, and
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So, to find the frequency you must first find the energy.

The transition energy can be calculated using the formula:

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Where E₀ = 13.6 eV ( 1 eV = 1.602×10⁻¹⁹ Joules) and n = 1,2,3,...

So, the transition energy between n = 4 and n = 3 will be:

  • ΔE = - E₀ [ 1/4² - 1/3²] = - 13.6 eV [1/16 - 1/9] = 0.6611. . .eV

  • ΔE = 1.602×10⁻¹⁹ Joules/eV  × 0.6611... eV = 1.0591 ×10⁻¹⁹ Joules

Now you can use the Einstein - Planck equation:

  • E = hν
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  • ν = 1.0591 ×10⁻¹⁹ J / 6.626×10⁻³⁴ J.s  = 1.60×10¹⁴ s⁻¹ (rounded to 3 significant figures).
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