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AysviL [449]
2 years ago
10

I have extra points so giving points out to people who can answer these questions

Chemistry
2 answers:
Klio2033 [76]2 years ago
7 0

Answer:

Dunkin' Donuts

Purple

Charli began dancing at age 3, and was a trained competitive dancer for over 10 years prior to starting TikTok.

Explanation:

slamgirl [31]2 years ago
3 0

Answer:

pink

Explanation:

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Giving 30 points!! please help <3
TiliK225 [7]

Answer:

below :)

Explanation:

Bones, droppings, and other dead matter

Energy storage molecules, cellular respiration

Process, energy

Oxygen, energy storage molecules, energy, carbon dioxide

Cellular respiration, carbon

Carbon, nitrogen

Nitrogen

Decomposers, ecosystem

3 0
2 years ago
What process takes place before an article is published in a scientific journal/
Goshia [24]
Before an article is published in a scientific journal or in any "peer-reviewed" journal the article is reviewed thoroughly by scholars from the journal as well as peers or scholars of the articles author from the same field. This process occurs to provide credibility to the ideas being published and so that readers and other scholars can rely on the validity of the material being published. 
7 0
3 years ago
At what temperature in the Kelvin scale does water boil? Explain what happen when we supply heat energy to water till it changes
erma4kov [3.2K]
100 +273=373 kelvins
7 0
3 years ago
Please help!!!
Strike441 [17]

Answer:

The above reaction is an example of <u>alcoholic fermentation</u>.

Explanation:

In alcoholic fermentation, one mole of glucose gets converted into two moles of alcohol, two moles of carbon dioxide and two moles of adenosine tri-phosphate (ATP).

5 0
2 years ago
Calculate the total pressure in a mixture of 8 g of dioxygen and 4 g of dihydrogen confined in a vessel of 1 dm8 at 27 ∘C. (R =
maxonik [38]

Answer:

Total pressure =  56.77 bar

Explanation:

Given data:

Mass of dioxygen = 8 g

Mass of dihydrogen = 4 g

Volume of vessel = 1 dm³

Temperature = 27°C (27+273 = 300 K)

R = 0.083 bar.dm³ / mol.K

Total pressure = ?

Solution:

Number of moles of dioxygen:

Number of moles = mass/molar mass

Number of moles = 8 g/ 32 g/mol

Number of moles = 0.25 mol

Pressure of dioxygen:

PV = nRT

P = nRT/V

P = 0.25 mol × 0.083 bar.dm³ / mol.K × 300 K / 1 dm³

P = 6.97 bar.dm³  /1 dm³

P = 6.97 bar

Number of moles of dihydrogen:

Number of moles = mass/molar mass

Number of moles = 4 g/ 2 g/mol

Number of moles = 2 mol

Pressure of dihydrogen:

PV = nRT

P = nRT/V

P = 2 mol × 0.083 bar.dm³ / mol.K × 300 K / 1 dm³

P = 49.8 bar.dm³  /1 dm³

P = 49.8 bar

Total pressure of mixture in a vessel:

Total pressure = P (O₂) + P(H₂)

Total pressure =  6.97 bar + 49.8 bar

Total pressure =  56.77 bar

7 0
3 years ago
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