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Rama09 [41]
3 years ago
5

Name the type of crystalline solid formed from the following structural units and describe how the solid is formed.

Chemistry
2 answers:
IgorLugansk [536]3 years ago
7 0

Name the type of crystalline solid formed from the following structural units and describe how the solid is formed.

A. Metal atoms

solong [7]3 years ago
5 0

its going to be A

because they are Made up of metal atoms that are held together by   metallic bonds            

question answered by

(jacemorris04)

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How quick does it take for hearts to beat
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6 0
3 years ago
A sample of an unknown gas takes 371 s to diffuse through a porous plug at a given temperature.
blsea [12.9K]

Answer:

125.84 g/mol is the molar mass of the unknown gas.

Explanation:

Let the volume of the gases effusing out be V.

Effusion rate of the unknown gas = R=\frac{V}{371 s}

Effusion rate of the nitrogen gas = r=\frac{V}{175 s}

Molar mass of unknown gas = m

Mass of nitrogen gas = 28 g/mol

Graham's law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows the equation:

\text{Rate of diffusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}

\frac{R}{r}=\sqrt{\frac{28 g/mol}{M}}

\frac{\frac{V}{371 s}}{\frac{V}{175s}}=\sqrt{\frac{28 g/mol}{M}}

\frac{175 s}{371 s}=\sqrt{\frac{28 g/mol}{M}}

M=\frac{28 g/mol\times 371\times 371}{175\times 175}=125.84 g/mol

125.84 g/mol is the molar mass of the unknown gas.

5 0
3 years ago
Rank the following groups in order of decreasing priority:A. bondCH3B. bondCH2CH3C. bondCH2CH2CH3D. bond(CH2)3CH3
Evgen [1.6K]

Answer:

A.

Explanation:

7 0
3 years ago
if the solubility of a gas is 7.5 g/L at 404 pressure, what is the solubility of the gas when the pressure is 202 kPa?
shutvik [7]
<span>henry's law :

S</span>₁  / P₁ = x / P₂

7.5 / 404 = x / 202

x = 7.5 * 202 / 404

x = 1515 / 404

x = 3.75 g/L

hope this helps!
7 0
3 years ago
Read 2 more answers
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