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horrorfan [7]
3 years ago
5

The energy pyramid represents energy flow in an African grassland. If there are 7,500

Chemistry
1 answer:
Evgesh-ka [11]3 years ago
3 0

Answer: i need that answer to

Explanation:

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Samira has two pens. She wants to know which pen was used to write a note. She labels her pens A and B. She puts a sample of ink
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Answer:

b

Explanation:

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3 years ago
6 moles of H2O is equal to how many molecules?
alexandr1967 [171]
6 miles of H2O is equal to 12 Hydrogen molecules and 6 oxygen molecules. Equaling 18 in total.
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3 years ago
In a process called photosynthesis, plants use carbon dioxide and water, along with energy from sunlight, to produce sugar and o
Alex Ar [27]

24 molecules of H2O are needed by the plant to produce 4 molecules of sugar.

<h2>What is photosynthesis?</h2>

The process by which plants convert carbon dioxide, water, and sunlight into oxygen and sugar-based energy is known as photosynthesis.

<h3>The photosynthesis equation is as follows:</h3>

                   6CO2 + 6H2O + Sunlight → C6H12O6 + 6O2

The following three significant activities are involved in photosynthesis:

1. Chlorophyll absorbs light energy.

2. Water molecules are divided into hydrogen and oxygen and light energy is converted to chemical energy.

3. Carbon dioxide is converted to sugars.

         

Therefore, a plant needs four molecules of H2O and four molecules of CO2 to make one molecule of glucose or sugar, hence a plant needs 24 molecules of H2O and 24 molecules of CO2 to make four molecules of sugar.

Learn more about photosynthesis here:

brainly.com/question/19160081

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4 0
1 year ago
a beer's law plot was generated and the trendline had a slope of 137.2 l/mol. the absorbance of the unknown phosphate sample was
Lorico [155]

The phosphate concentration of the unknown sample is <u>0.002 M</u>

<u />

Beer's law, the quantity of power absorbed or transmitted by using a solution is proportional to the solution's molar absorptivity and the awareness of the solute. In easy terms, a greater focused answer absorbs greater light than a more dilute solution does.

C = εa/b

  =  0.285 / 137.2

   =<u> 0.002 M</u>

A sequence of fashionable solutions containing a purple dye was made by diluting an inventory answer and then measuring the percent transmittance of every answer at 505 nm (greenish blue). This wavelength became decided on with the aid of examining its absorption spectrum.

Lambert's law of absorption states that equal elements inside the equal absorbing medium soak up identical fractions of the mild that enters them. If in traversing a path of duration dx the intensity is decreased.

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7 0
1 year ago
PLEASE MATCH AND LABEL THEM A TO E ILL CASHAPP YOU MONEY.
Aloiza [94]

41) c

42) e

43) b

44) d

45) a

7 0
2 years ago
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