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liubo4ka [24]
3 years ago
6

What type of spectrum is produced when electromagnetic radiation is emitted or absorbed as electrons change energy levels in an

atom?
Chemistry
2 answers:
Setler79 [48]3 years ago
8 0
Then as the electrons in the atoms fall back down, they emit electromagnetic radiation (light). The amount of light emitted at different wavelengths, called the emission spectrum, is shown for a discharge tube filled with hydrogen gas in Figure 12.6 below.
ArbitrLikvidat [17]3 years ago
6 0

Answer:

this is the answer hope it is correct by the way hi

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5. A box with a volume of 22.4 L contains 1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C. Which of the following statements
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B. The partial pressure of N2 is 101 kPa

<h3>Further explanation</h3>

Given

volume = 22.4 L

1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C

Required

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Solution

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PV = nRT

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P Hydrogen = 2/3 x 303.975 = 202.65 kPa

7 0
3 years ago
How many ml of a 2.0 m nabr solution are needed to make 200.0 ml of 0.50 m nabr?
gogolik [260]

To solve this we use the equation,

 

<span> M1V1 = M2V2</span>

 

<span> where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.</span>

 

<span>2.0 M x V1 = 0.50 M x 200 mL</span>

<span>V1 = 50 mL needed</span>

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