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Firlakuza [10]
3 years ago
14

Question 10

Chemistry
1 answer:
zepelin [54]3 years ago
3 0
Because the ring is hollow
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den301095 [7]

Answer: if you have this app then you’r not smart

Explanation: because cheating is not allowed

4 0
2 years ago
20. What volume of 0.350M KMnO4 solution must be diluted to prepare 600. mL of
Dafna1 [17]

Answer:

25.7 mL

Explanation:

Step 1: Given data

  • Initial volume (V₁): ?
  • Initial concentration (C₁): 0.350 M
  • Final volume (V₂): 600 mL
  • Final concentration (C₂): 0.150 M

Step 2: Calculate the volume of the initial solution

We have a concentrated solution and we want to prepare a diluted one. We can calculate the initial volume using the dilution rule.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 0.150 M × 600 mL / 0.350 M

V₁ = 25.7 mL

3 0
2 years ago
What is a synthesis reaction? a reaction that occurs when two or more reactants combine into one product
dmitriy555 [2]

Answer:

A synthesis reaction is <em>a reaction that occurs when two or more reactants combine into one product.</em>

Explanation:

A reaction that occurs when two or more reactants combine into one product is called a synthesis reaction.

A reaction that occurs when one element within a compound is exchanged with another element is called a single replacement reaction.

A reaction that occurs when a substance combines with molecular oxygen, releasing light and energy is called combustion.

A reaction that occurs when a single substance breaks apart and forms two or more new substances is called decomposition.

7 0
2 years ago
An astronaut has a mass of 60kg. Calculate their weight When they are on the surface of the moon.
IceJOKER [234]

Answer:

I think 0kg because they are flying.

7 0
2 years ago
At what time of the year can the sun be found at the zenith
Step2247 [10]

Answer: The Sun Could Be Seen Once during the year when north of the equator.

3 0
3 years ago
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