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VashaNatasha [74]
2 years ago
6

Consider the "Macro" part of Virtual lab to determine if each of the following statements is True or False *

Chemistry
2 answers:
sergij07 [2.7K]2 years ago
5 0

Answer:

Salt does not conduct electricity because it is an insulator.

And the other is false

Dafna11 [192]2 years ago
5 0
False
And salt does not conduct electricity because it is an insulator
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if the initial concentration of acetic acid is .200 M and the equilibrium concentration of H3O+ is .0019 M, calculate Ka for ace
Blizzard [7]

Answer:

The first one

Explanation:

- K must be calculated with the concentrations AT equilibrium, not initial concentrations.

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3 years ago
Why does ammonia gas diffuse faster than hydrogen chloride gas?
Yakvenalex [24]
The ammonia gas, having a lower molecular weight than the hydrogen chloride, will diffuse faster and travel a greater length of the tube. Consequently, the white ring of ammonium chloride will form much closer to hydrochloric acid end of the tube. Which in conclusion your answer will be D :)
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2 years ago
A student mixed a small amount of iron filings and sulphur powder in a dish. He could not
Temka [501]

Answer:

\huge \boxed{\mathrm{Carbon \ disulphide}}

Explanation:

Carbon disulphide is the liquid that can be used to separate iron fillings and sulphur powder.

When carbon disulphide is poured into the dish, the sulphur powder gets easily dissolved in the carbon disulfide. The iron fillings are left to settle on the bottom of the dish.

The iron fillings can get seperated through filtration. When the mixture of sulphur powder and carbon disulphide gets completely evaporated, the sulphur powder is left over.

7 0
3 years ago
142 amu of chlorine would contain
zhuklara [117]

Answer: There are four atoms

Explanation:  mass of Cl atom is 35.45 amu

Amount of atoms n = m/M = 142  / 35.45 = 4

5 0
3 years ago
Atoms and elements are examples of A. molecules. B. mixtures. C. compounds. D. pure substances.
UkoKoshka [18]

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atom are very tiny partical

3 0
3 years ago
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