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Alchen [17]
3 years ago
8

A plant would not be able to complete photosynthesis without

Chemistry
2 answers:
slavikrds [6]3 years ago
6 0
Water is the answer
Alenkasestr [34]3 years ago
5 0

Answer:

Glucose

Explanation:

It's the food plants need to complete photosynthesis.

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myrzilka [38]
This statement is true. 
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Gaseous methane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 9.6 g of methane is
lianna [129]

Answer:

21.6 g

Explanation:

The reaction that takes place is:

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First we<u> convert the given masses of both reactants into moles</u>, using their <em>respective molar masses</em>:

  • 9.6 g CH₄ ÷ 16 g/mol = 0.6 mol CH₄
  • 64.9 g O₂ ÷ 32 g/mol = 2.03 mol O₂

0.6 moles of CH₄ would react completely with (2 * 0.6) 1.2 moles of O₂. As there are more O₂ moles than required, O₂ is the reactant in excess and CH₄ is the limiting reactant.

Now we <u>calculate how many moles of water are produced</u>, using the <em>number of moles of the limiting reactant</em>:

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Finally we<u> convert 1.2 moles of water into grams</u>, using its <em>molar mass</em>:

  • 1.2 mol * 18 g/mol = 21.6 g
4 0
2 years ago
A sample of a substance containing only magnesium and chlorine was tested in the lab and was found to be composed of 74.5% chlor
chubhunter [2.5K]
Use a ratio to find out that x/190.2 = 74.5/100 

hope this helps
8 0
2 years ago
why are experimental investigations the best type of scientific investigation to demonstrate cause and effect relationships
Lelu [443]
Because they are coming from the ground and always safe
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3 years ago
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GuDViN [60]

Answer:

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