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scoundrel [369]
2 years ago
10

Any two difference between short sightedness and long sightednes​

Chemistry
1 answer:
SSSSS [86.1K]2 years ago
3 0

Explanation:

tala it is also called myopia lekhnu hai

Äni Arko MA it is also called hypermetropia .

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Which formula can be used to calculate the theoretical yield? (5 points)
Semenov [28]

Answer:

Multiply the number of moles in the product by the molecular weight of the product to determine the theoretical yield.

Explanation:

For example:

If you created 0.5 moles of Aluminium Oxide the molecular weight of Aluminium Oxide is 101.96g/mole, so you would get 50.98g as the theoretical yield.

So multiply,..

101.96x0.5= 50.98

This is the correct way to calculate the theoretical yield

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3 years ago
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andrey2020 [161]
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2 years ago
In a chemical reaction, what is defined as the difference between the potential energy of the products and the potential energy
zlopas [31]
I Believe That The Answer Is A 
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6 0
3 years ago
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X-rays had a frequency of about 3x10^18 determine it's wavelength (in nm) and energy per photon
Serggg [28]

Answer:

E = 19.89×10⁻¹⁶ J

λ = 1×10⁻¹ nm

Explanation:

Given data:

Frequency of xray = 3×10¹⁸ Hz

Wavelength of xray = ?

Energy of xray = ?

Solution:

speed of wave = wavelength × frequency

speed = 3×10⁸ m/s

3×10⁸ m/s  = λ ×3×10¹⁸ s⁻¹

λ = 3×10⁸ m/s  / 3×10¹⁸ s⁻¹

λ = 1×10⁻¹⁰m

m to nm:

λ = 1×10⁻¹⁰m×10⁹

λ = 1×10⁻¹ nm

Energy of x-ray:

E = h.f

h = plancks constant = 6.63×10⁻³⁴ Js

by putting values,

E = 6.63×10⁻³⁴ Js ×3×10¹⁸ s⁻ ¹

E = 19.89×10⁻¹⁶ J

7 0
2 years ago
WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!
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I believe the answer is A) Anaphase.

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3 years ago
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