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7nadin3 [17]
3 years ago
8

What causes the phases of the moon as observed from the Earth?

Chemistry
1 answer:
PtichkaEL [24]3 years ago
6 0
Hello!

The light from the sun hits one side of the moon and doesn’t hit from the other side. So that’s how we view it on earth

Hope this helps! Correct me if I’m wrong :)

-peachimin
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Why do you cut chromosomes in pairs
Svet_ta [14]
To give them to your offsprings and you don't cut them you divide them
6 0
3 years ago
What will happen to a salt water fish if placed in freshwater?
Zigmanuir [339]

Answer:

they will die because they need to be in salt water

5 0
2 years ago
A sample of silver (Ag) contains 3.011x1023 atoms. How much does this
Ugo [173]

Answer:

53.93 g Ag

Explanation:

3.011x1023 atoms  Ag x  <u>   1 mole  Ag     </u>   x   <u>107,8683  grams</u>  =

                                      6.022x10^{23} atoms           1 mole Ag

use the periodic table fo find Ag atomic mass and use Avogadro´s number

3 0
2 years ago
Calculate the energy of a photon of this light wave in joules. [Show all calculations, including the equation and substitution w
Ket [755]

The energy of the photon from the calculation performed is 3.5 * 10^-16 J.

<h3>What is a photon?</h3>

A photon is a packet of light. It was derived from the theory of Albert Einstein. The energy of a photon is obtained from; E = hc/λ

  • h= Plank's constant
  • c = speed of light
  • λ = wavelength

Now we have that;

E = 6.6 * 10^-34 * 3 * 10^8/562 * 10^-9

E = 3.5 * 10^-16 J

Missing parts:

Calculate the energy, in joules, of a photon of green light having a wavelength of 562nm?

Learn more about energy of photon:brainly.com/question/20912241

#SPJ1

7 0
2 years ago
Use the mole concept to calculate the number of atoms that are in a 1.75-mol sample of CHCl3.
Fiesta28 [93]
This is how I got to that answer. Since we don't know how many atoms there are in a mole, we use the number 6.02 x 10^-23. Now, just plug in what you have in the equation: 

<span>1.75 moles ChCl3 x (6.02 x 10 ^-23) / 1 mole = 1.0535 x 10^-22 atoms. </span>
6 0
3 years ago
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