NAME STD.# EMISSION SPECTROSCOPY Gaelcia Pierre 4000370496 CHM 1045L/CHM 1046L DATA SHEET DATE SEQUENCE # 81 do it for helium Wavelength Hydrogen 11-7-2024 SAFETY REMINDER: DO NOT LOOK INTO ANY OF THE LIGHT SOURCES i. Element in gas discharge tube: LONGER THAN ABSOLUTELY NECESSARY Procedure 1: Measuring wavelength ii. Diffraction grating lines per cm: iii. Diffraction grating distance per line: CALCULATED MEASURED LINE "a" (cm) "b" (cm) "C" (cm) λ (nm) red 37 100 106.625 25.6 22.8 100 blue violet 100 v (sec³¹) E (J) IMPORTANT NOTE: Make the above measurements as quickly as possible. If the VIOLET color is not immediately apparent, measure only the RED and BLUE Procedure 2: Wavelength of laser light lines per cm: iii. Diffraction grating distance per line: CALCULATED i. Element in laser tube: ii. Diffraction grating LINE MEASURED "a" (cm) 66 "b" (cm) "C" (cm) λ (nm) red 36 100 3600 106.23264 v (sec³¹) E (J) COLOR Procedure 3: a) Helium spectrum WAVELENGTH SCALE (nanometers) READING Red 707 0.6 Bright Red 668 1.7 Yellow 588 2.3.0 Green 492 4.0 Blue-Green 471 5.1 Blue 447 6.0 Violet 403 6.4 Exp. 9.9 (Plot a gr

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Chapter28: Atomic Spectroscopy
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Problem 28.11QAP
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NAME
STD.#
EMISSION SPECTROSCOPY
Gaelcia Pierre
4000370496
CHM 1045L/CHM 1046L
DATA SHEET
DATE
SEQUENCE #
81
do it for helium
Wavelength
Hydrogen
11-7-2024
SAFETY REMINDER: DO NOT LOOK INTO ANY OF THE LIGHT SOURCES
i. Element in gas
discharge tube:
LONGER THAN ABSOLUTELY NECESSARY
Procedure 1: Measuring wavelength
ii. Diffraction grating
lines per cm:
iii. Diffraction grating
distance per line:
CALCULATED
MEASURED
LINE
"a" (cm)
"b" (cm)
"C" (cm)
λ (nm)
red
37
100
106.625
25.6
22.8
100
blue
violet
100
v (sec³¹)
E (J)
IMPORTANT NOTE: Make the above measurements as quickly as possible. If the VIOLET color
is not immediately apparent, measure only the RED and BLUE
Procedure 2: Wavelength of laser light
lines per cm:
iii. Diffraction grating
distance per line:
CALCULATED
i. Element in laser tube:
ii. Diffraction grating
LINE
MEASURED
"a" (cm)
66
"b" (cm)
"C" (cm)
λ (nm)
red
36
100
3600
106.23264
v (sec³¹)
E (J)
COLOR
Procedure 3: a) Helium spectrum
WAVELENGTH
SCALE
(nanometers)
READING
Red
707
0.6
Bright Red
668
1.7
Yellow
588
2.3.0
Green
492
4.0
Blue-Green
471
5.1
Blue
447
6.0
Violet
403
6.4
Exp. 9.9
(Plot a gr
Transcribed Image Text:NAME STD.# EMISSION SPECTROSCOPY Gaelcia Pierre 4000370496 CHM 1045L/CHM 1046L DATA SHEET DATE SEQUENCE # 81 do it for helium Wavelength Hydrogen 11-7-2024 SAFETY REMINDER: DO NOT LOOK INTO ANY OF THE LIGHT SOURCES i. Element in gas discharge tube: LONGER THAN ABSOLUTELY NECESSARY Procedure 1: Measuring wavelength ii. Diffraction grating lines per cm: iii. Diffraction grating distance per line: CALCULATED MEASURED LINE "a" (cm) "b" (cm) "C" (cm) λ (nm) red 37 100 106.625 25.6 22.8 100 blue violet 100 v (sec³¹) E (J) IMPORTANT NOTE: Make the above measurements as quickly as possible. If the VIOLET color is not immediately apparent, measure only the RED and BLUE Procedure 2: Wavelength of laser light lines per cm: iii. Diffraction grating distance per line: CALCULATED i. Element in laser tube: ii. Diffraction grating LINE MEASURED "a" (cm) 66 "b" (cm) "C" (cm) λ (nm) red 36 100 3600 106.23264 v (sec³¹) E (J) COLOR Procedure 3: a) Helium spectrum WAVELENGTH SCALE (nanometers) READING Red 707 0.6 Bright Red 668 1.7 Yellow 588 2.3.0 Green 492 4.0 Blue-Green 471 5.1 Blue 447 6.0 Violet 403 6.4 Exp. 9.9 (Plot a gr
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