3 years ago

A sample of gas is enclosed in a container of fixed volume.

Chemistry

1 answer:

Serhud [2]3 years ago

7 0

If you are asking what would happen the gas's pressure would increase.

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A biologist explored a remote island and discovered a new living organism. After several observations were made of the

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Possible isomers of C4H9I

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there are 4 possible isomers

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Which atom has a mass of 12 u

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Answer:

Carbon-12

Explanation:

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3 years ago

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The second-order diffraction for a gold crystal is at an angle of 22.20o for X-rays of 154 pm. What is the spacing between the c

Alenkinab [10]

<u>Answer:</u> The spacing between the crystal planes is $4.07\times 10^{-10}m$

<u>Explanation:</u>

To calculate the spacing between the crystal planes, we use the equation given by Bragg, which is:

$n\lambda =2d\sin \theta$

where,

n = order of diffraction = 2

$\lambda$ = wavelength of the light = $154pm=1.54\times 10^{-10}m$ (Conversion factor: $1m=10^{12}pm$ )

d = spacing between the crystal planes = ?

$\theta$ = angle of diffraction = 22.20°

Putting values in above equation, we get:

$2\times 1.54\times 10^{-10}=2d\sin (22.20)\\\\d=\frac{2\times 1.54\times 10^{-10}}{2\times \sin (22.20)}\\\\d=4.07\times 10^{-10}m$

Hence, the spacing between the crystal planes is $4.07\times 10^{-10}m$

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2 years ago

An ate or ite at the end of a compound name usually indicates that the compound contains___________.

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Answer:

Explanation:

According to IUPAC nomenclature, a negative polyatomic ion has its name ending in 'ate' or 'ite'

As in carbonate (CO3^2-)

Arsenite (AsO3-)

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