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emmainna [20.7K]
2 years ago
12

What kind of energy is required for photosynthesis to occur?

Chemistry
1 answer:
MrMuchimi2 years ago
5 0
A. Solar Energy

Hope this helps!
STSN
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Name the reaction type & mechanism of the following reactions:
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Answer:

MECHANISM:

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2) Formation of carbocation.

3) Attack of Nucleophile Br  −  .

Explanation:

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Calculate the molarity (M) if 3.35g of H3PO4 is dissolved in water to give a total volume of 200mL
lyudmila [28]

Answer:

0.171 M

Explanation:

Step 1: Given data

  • Mass of H₃PO₄ (solute): 3.35 g
  • Volume of solution (V): 200 mL

Step 2: Calculate the moles of solute

The molar mass of H₃PO₄ is 97.99 g/mol.

3.35 g × 1 mol/97.99 g = 0.0342 mol

Step 3: Convert "V" to liters

We will use the conversion factor 1 L = 1000 mL.

200 mL × 1 L/1000 mL = 0.200 L

Step 4: Calculate the molarity of the solution

We will use the definition of molarity.

M = moles of solute / liters of solution

M = 0.0342 mol/0.200 L = 0.171 M

8 0
2 years ago
A dull metal object has a density of 8.8 G/ML and a volume of 20 ML calculate the mass
Alex

Answer:

Mass = 0.000176 gram

Steps:

m =  V × ρ

=  20 milliliter × 8.8 gram/cubic meter

=  2.0E-5 cubic meter × 8.8 gram/cubic meter

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Explanation:

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Explanation:

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Silicon 28.2% 282,000

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Iron 5.63% 56,300

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