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larisa86 [58]
3 years ago
8

which of the following occurs when an electron moves from a higher energy shell to a lower energy shell

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
8 0
1 Some kind of light is emitted for each element when it is moved from higher energy level to lower energy level
2 Also some of energy is absorbed which is being used to move electrons from high energy level to lower energy level
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Given 6193 mL of a gas at 62.3 °C. What is its volume at 38.1 °C?
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Answer:

5746.0 mL.

Explanation:

We can use the general law of ideal gas:<em> PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

If n and P are constant, and have two different values of V and T:

<em>V₁T₂ = V₂T₁</em>

<em></em>

V₁ = 6193.0 mL, T₁ = 62.3°C + 273 = 335.3 K.

V₂ = ??? mL, T₂ = 38.1°C + 273 = 311.1 K.

<em>∴ V₂ = V₁T₂/T₁ </em>= (6193.0 mL)(311.1 K)/(335.3 K) = <em>5746.0 mL.</em>

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3 years ago
A fusion reaction takes place between carbon and another element neutrons are released and a different element is formed the dif
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A fusion reaction takes place between carbon and another element. Neutrons are released, and a different element is formed. The different element is Lighter than helium.

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How much cooking liquid is needed when employing the pasta method?
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When studying atoms, scientists can ignore the
vekshin1

When studying atoms, scientists can ignore <u>the Gravitational</u> force between charged particles that make up  the atoms because it is many millions of times smaller than other forces in the atom.

Explanation:

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3 years ago
Find the ratio of the effusion rate of hydrogen gas to the effusion rate of krypton gas.
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