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AlekseyPX
3 years ago
13

Which describes the greatest difference between gases and solids?

Chemistry
2 answers:
disa [49]3 years ago
4 0

Answer:

D) Gases usually weigh less than solids

Explanation:

Gases don't have weight and solids do which automatically makes gases lighter because they don't have a mass like a solid.

Irina18 [472]3 years ago
3 0

Answer:

D)Gases usually weigh less than solids.

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A proton is fired toward a lead nucleus from very far away. How much initial kinetic energy does the proton need to reach a turn
Olegator [25]

Answer:

The electric force is conservative.

Since

ΔK = −ΔU,

Kf − Ki =Ui −Uf.

We have,

Kf = 0

Ui = 0.

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<u>so ,at 10 fm Uf = (2×10)−12 J.</u>

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3 years ago
Identify a chemical reagent that can be used to distinguish solid CaCl2 from CaCO3
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2 years ago
Elements in Group 18 are known
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Answer:

C the number and placement of the electrons

Explanation:

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6 0
3 years ago
Which element is very toxic and reactive green gas?
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3 0
2 years ago
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calculate the concentration of silver in a 100.0 mL solution of silver bromide at 25oC (298 K) when the Ksp is 5.0 x 10-13
Sliva [168]

Answer:

Concentration AgBr at saturation = 7.07 x 10⁻⁷M

Explanation:

Given AgBr(s) => Ag⁺(aq) + Br⁻(aq) ; Ksp = 5 x 10⁻¹³ = [Ag⁺][Br⁻]

    I       ---                0              0

    C     ---               +x             +x

     E     ---                 x               x

[Ag⁺][Br⁻] = (x)(x) = x² = 5 x 10⁻¹³ => x = SqrRt(5 x 10⁻¹³) = 7.07 x 10⁻⁷M

4 0
2 years ago
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