3 years ago

Which of these plants make the enviroment pleasant a.sandalwood b.basil c.brahmi

Chemistry

1 answer:

liberstina [14]3 years ago

4 0

Sandalwood

Explanation:

this is the answer please mark me as brainleist

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A sample of sugar (C12H22O11) contains 1.505 × 1023 molecules of sugar. How many moles of sugar are present in the sample?

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3 years ago

Pluto is a planet True False

koban [17]

Answer:

False

Explanation:

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3 years ago

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]

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

Explanation:

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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3 years ago

Which of the following elements is most likely to form a +1 charge? Cl Mg Na Li

pogonyaev

Answer:

Explanation:

because sodium has 1 electrons so it loses it to be stable and so have positive charge of 1

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I dont get it help brainlest

Rufina [12.5K]

Answer:

d is the answer of this question

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2 years ago

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