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4 years ago

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Consider the reaction a → b the rate of the reaction is 1.2 × 10−2 m/s when the concentration of a is 0.11 m. calculate the rate

constant if the reaction is first order in
a. (give units.)

1 answer:

kogti [31]4 years ago

8 0

Dude im sorry but idk this one

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175 ml of a 1.6 m solution of kcl is diluted to a new volume of 1.0 l. what is the new concentration of the solution? (3 points)

djyliett [7]

175 ml of a 1.6 m solution of KCl is diluted to a new volume of 1.0 L. The new concentration of the solution is 0.28 m KCl.

Hence, Option (B) is correct answer.

<h3>What is Concentration ?</h3>

Concentration is defined as the measure of how much substance there is mixed with another substance.

<h3>How to find the concentration ?</h3>

To find the concentration use the dilution formula

C₁V₁ = C₂V₂

where,

C₁ = Concentration of starting solution

C₂ = Concentration of final solution

V₁ = Volume of the starting solution

V₂ = Volume of the final solution

Now put the values in above formula we get

C₁V₁ = C₂V₂

1.6 × 0.175 = C₂ × 1.0

0.28 = C₂ × 1.0

C₂ = 0.28

Thus from the above conclusion we can say that 175 ml of a 1.6 m solution of KCl is diluted to a new volume of 1.0 L. The new concentration of the solution is 0.28 m KCl.

Hence, Option (B) is correct answer.

Learn more about the Concentration here: brainly.com/question/17206790

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2 years ago

Which of the following compounds is an unsaturated hydrocarbon?

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Answer:

Explanation:

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2. Methane is $CH_4$ and is a saturated hydrocarbon

3. Nonane is $C_9H_{20}$ is a saturated hydrocarbon.

4. Methyl is $CH_3$ and is a saturated alkyl group.

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