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Andreas93 [3]
3 years ago
15

Plant cells undergo a process called photosynthesis, which uses sunlight to make sugar. Which need does photosynthesis fulfill f

or plants?
Chemistry
2 answers:
Andru [333]3 years ago
8 0

Answer:

the need for energy

Explanation:

AlexFokin [52]3 years ago
3 0

Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.

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A sample of helium has a volume of 50.00 L at STP. How many helium atoms are in the sample? Show work
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Answer:

Explanation:

molar volume at STP=22.4 L

given volume=50.0 L

number of moles=given volume/molar volume

number of moles=50.0/22.4

number of moles=2.2

1 mole of helium =6.023*10^23 atoms

2.2 moles of helium =6.023*10^23*2.2=1.3*10^24

therefore 50.0 L of helium contain 1.33*10^24 atoms

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Explanation:

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