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tangare [24]
2 years ago
6

Which of the following apply to concentration?

Chemistry
1 answer:
tester [92]2 years ago
5 0

Answer:Concentration of products can vary.

As more solute dissolves, more ions form; but the volume in which they are contained does not change.

Concentration of the solid phase does not change.

Explanation:

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Say I grab a bunch of aluminum foil (9.5g) and ball it up. Aluminum has a specific heat of .9J/g*C. How much would the aluminum’
Brrunno [24]

Answer:

ΔT = 0.78 °C

Explanation:

Given data:

Mass of Al = 9.5 g

Specific heat capacity of Al = 0.9 J/g.°C

Temperature change = ?

Heat added = 67 J

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

67 J = 9.5 g × 0.9 j/g.°C × ΔT

67 J = 85.5 j/°C × ΔT

ΔT = 67 J  /  85.5 j/°C

ΔT = 0.78 °C

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3 years ago
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Answer:

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Explanation:

6 0
2 years ago
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Aloiza [94]
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5 0
2 years ago
In a redox reaction, why does an element's oxidation number increase
Kazeer [188]
If the element is oxidized, then it's oxidation number would increase.

Let's say we have the following reaction.
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5 0
3 years ago
Melting can be best described as a process in which molecules?
ludmilkaskok [199]

Answer:

D.gain enough kinetic energy to get past each other.

Explanation:

Melting can be best described as a process in which molecules gain enough kenetic energy to put past each other.

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3 years ago
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