9. How would the following changes affect the appearance of the hydrogen spectru
ID: 549141 • Letter: 9
Question
9. How would the following changes affect the appearance of the hydrogen spectrum: a. The amount of hydrogen gas is reduced by a factor of 2 b. The hydrogen gas contained some impurities c. The voltage was too low to cause the reaction H2(g) 2Hg) 10. A calibration error causes each hydrogen spectroscope reading to be 5 units less than it should be while the unknown spectroscope readings are correct. How would this error effect your unknown line assignments? Use a sketch that contains both the correct correlation curve and the correlation curve for which the hydrogen spectroscope readings are 5 units less than they should be to explain your answer.Explanation / Answer
9)
a). If the amount of hydrogen gas is reduced by a factor of 2 then you can express it in the following way.
The initial amount of hydrogen gas = x grams (say)
The final amount of hydrogen gas = x - x/2 = x/2 < x grams
As a result, the hydrogen spectrum, i.e. the spectrum of light emitted by the hydrogen atom, i.e. the Lyman, Balmer, Paschen, Brackett and Pfund series will appear spacious such that they can be analyzed properly.
b.) If the hydrogen gas contained some impurities then you can express it in the following way.
The amount of impure hydrogen gas = x grams (say)
The actual amount of hydrogen gas considering the 100% purity < x grams
As a result, the hydrogen spectrum, i.e. the spectrum of light emitted by the hydrogen atom, i.e. the Lyman, Balmer, Paschen, Brackett and Pfund series will appear closely such that they can't be analyzed properly.
c.) If the voltage was too low to cause the reaction H2(g) 2H(g) then you can express it in the following way.The actual voltage required for the atomization of hydrogen gas = V volts(say)
According to the problem, the voltage required < V volts.
As a result, the hydrogen spectrum, i.e. the spectrum of light emitted by the hydrogen atom, i.e. the Lyman, Balmer, Paschen, Brackett and Pfund series will appear blurred because of insufficient voltage.
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