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MatroZZZ [7]
3 years ago
13

What’s the answer to this question

Chemistry
1 answer:
Masja [62]3 years ago
8 0

Answer:

B. Angle BOA

Hope this helped! :)

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In an era of bad harvests, famine, and rioting, the French government took steps to improve the worsening financial crisis. What
sukhopar [10]

Answer:

The government raised taxes

Explanation:

France had monarchy as its form of government. After the King of France had borrowed heavily to retain his extravagant lifestyle as well as the fact that the Kingdom of France was largely indebted, the king had no other option but to increase taxes paid by commoners in France.

This happened in an era of bad harvests and famine. The commoners depended mostly on bread to survive. This made the cost of bread to alarmingly increase and most people were hungry and starving.

These happenings led to the French revolution.

4 0
3 years ago
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Alguien me da la fórmula de : Fosfuro ácido de estroncio?
natita [175]
la formula es Sr(OH)^2
6 0
3 years ago
the difference in energy between the n=1 and n=2 energy levels in a hydrogen atom is 1.64x10^-18 J. what happens when an electro
CaHeK987 [17]

Answer:

It emits 1.64 x 10⁻¹⁸J of energy

Explanation:

The n = 1 is a lower quantum level compared to n = 2.

When a hydrogen atom moves from a higher level to a lower one, it simply emits the energy difference between the two levels.

  • If a hydrogen atom moves from a lower energy level to a higher one such as from 1 to 2, they absorb the energy difference to attain the new excited state.
  • So, for an electron in the hydrogen atom to move from a higher energy level to a lower one, it must emit 1.64 x 10⁻¹⁸J of energy.
6 0
2 years ago
What organelle or organelles store food or pigments
Effectus [21]
A.chlorophyll plastid,ribosome,rough endoplasmic reticulum. B.green pigment that absorbs light for photosynthesis, a plant cell structure that stores food of contain pigments, the construction site for protein s ribosomes can be found in the surface of this organelle.
6 0
3 years ago
X-ray photons with a wavelength of 0.135 nm . express the energy numerically in kilojoules per mole.
STALIN [3.7K]
Using E=hν where h is Planck's constant and v is the frequency of the photon. In the question above,the wavelenght is given so we can find the frequency of the photon using c=λν. c is a constant =3*10^8 so frequency is equal to
(3*10^8)/0.135*10^-9. Then use ur frequency in the eqn above using h 6.626*10^-34
7 0
3 years ago
Read 2 more answers
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