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puteri [66]
2 years ago
13

Select the correct image. Which body part is vestigial in humans?

Chemistry
2 answers:
Dominik [7]2 years ago
8 0

Answer:

should be appendix, I can't see any image tho.

NNADVOKAT [17]2 years ago
6 0

Answer: Appendix

Explanation: I dont see an image though

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According to the Kinetic Molecular Theory, as the volume of a gas increases: the number of particle impacts per unit area increa
aliya0001 [1]

As the volume of a gas increases <em>at constant temperature</em>, the number of particle impacts per unit area decreases.

There is the same number of impacts, but they are spread over a larger surface area.

Thus, the number of impacts per unit area decreases.

7 0
3 years ago
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Write the balanced half equation of iron 2 and permanganate in a solution of acid. Show all of your work.
Aleks [24]

Answer:

5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

Explanation:

Fe⁺² + MnO₄⁻ +  H⁺ => Mn⁺² + Fe⁺³ +  H₂O

5(Fe⁺² => Fe⁺³ + 1e⁻)      =>                        5Fe⁺² => 5Fe⁺³ + 5e⁻

<u>MnO₄⁻ + 5e⁻ => Mn⁺²    =>   MnO₄⁻ + 8H⁺ + 5e⁻ => Mn⁺² + 4H₂O</u>

                                      =>  5Fe⁺² + MnO₄⁻ + 8H⁺ => 5Fe⁺³ + Mn⁺² + 4H₂O

6 0
2 years ago
Use the reaction N2(g) + 3H2(g) 2NH3(g) to answer the following questions
Veronika [31]

Answer:

K

C

=

[N

2

][H

2

]

3

[NH

3

]

2

N

2

+3H

2

⇌2NH

3

=

(1.5×10

−2

)(3×10

−2

)

3

(1.2×10

−2

)

2

=

1.5×10

−2

×27×10

−6

1.44×10

−4

=

40.5×10

−4

1.44

=0.035×10

4

5 0
2 years ago
Definition of diameter?
astra-53 [7]

Answer:

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Explanation:

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

3 0
3 years ago
A gravel can be broken down into different kinds of substances by physical processes. No chemical reactions are needed to separa
Vlada [557]

Answer:

MIXTURE

Explanation:

A mixture is a substance composed of a combination of other different substances. These component(s) of a mixture are physically combined, meaning that there is no chemical linkage between the individual components/constituents of a mixture.

This is the case of the gravel described in this question. The components of gravel can be separated using physical means because they are not chemically bonded to one another, hence, no chemical reactions are needed to separate different parts of gravel into pure substances. This makes gravel a MIXTURE.

6 0
3 years ago
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