Chem 101 Spectroscopy Lab PDF

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Summary

Data and Calculations ...

Description

Chemistry 101

Spectroscopy Lab

Calculations and Discussions Data:

Sample calculations:

Data: Part B - Hydrogen: Line Color

Obtained

Theoretical

Wavelength

Wavelength

Energy (J)

Initial Energy

Final Energy

Level

Level

(nm)

(nm)

Red

650

656

3.056*10-19

3

2

Turquoise

470

486

4.227*10-19

4

2

Indigo

450

434

4.442*10-19

5

2

Purple

420

410

4.730*10-19

6

2

Part C - Emission Spectrum from Other Gases:

Element and Color of

Wavelength (nm)

Frequency (Hz)

Energy (J)

Helium - Dark Red

700

4.283*1014

2.838*10-19

Helium - Red

660

4.542*1014

3.010*10-19

Helium - Green

500

5.995*1014

3.973*10-19

Helium - Teal

490

6.118*1014

4.053*10-19

Helium - Dark Blue

470

6.378*1014

4.227*10-19

Helium - Indigo

450

6.117*1014

4.054*10-19

Neon - Dark Red

690

4.344*1014

2.878*10-19

Neon - Orange

610

4.914*1014

3.257*10-19

Neon - Green

540

5.552*1014

3.679*10-19

Line

Mercury - Green

540

5.552*1014

3.679*10-19

Mercury - Dark Blue

430

6.972*1014

4.619*10-19

Part D - Emission Spectrum From Other Sources:

Fluorescent Light Bulb Color

Wavelength (nm)

Frequency (Hz)

Energy (J)

Red

610

4.914*1014

3.257*10-19

Green

540

5.552*1014

3.679*10-19

Blue

480

6.245*1014

4.138*10-19

Purple

430

6.972*1014

4.619*10-19

Sunlight

Color

Wavelengt

Wavelengt

Energy (J)

h (nm)

h (nm) End Start

Energy (J)

Frequency

Frequency

End

(Hz) Start

(Hz) End

Start 650

720

3.055*10-19 2.758*10-19 4.611*1014

4.162*1014

Red orange 625

650

3.179*10-19 3.055*10-19 4.797*1014

4.611*1014

Orange

600

625

3.311*10-19 3.178*10-19 4.996*1014

4.797*1014

Yellow

550

600

3.611*10-19 3.311*10-19 5.449*1014

4.995*1014

Red

Green

500

550

3.972*10-19 3.611*10-19 5.995*1014

5.449*1014

Teal

470

500

4.227*10-19 3.973*10-19 6.378*1014

5.994*1014

Blue

450

470

4.413*10-19 4.226*10-19 6.661*1014

6.378*1014

Purple

400

450

4.965*10-19 4.413*10-19 7.494*1014

6.660*1014

Wavelengt

Wavelengt

Energy (J)

h (nm)

h (nm) End Start

Incandescent Bulb

Color

Energy (J)

Frequency

Frequency

End

(Hz) Start

(Hz) End

Start Blue

450

490

4.442*10-19 4.053*10-19 6.703*1014

6.118*1014

Green

510

560

3.894*10-19 3.547*10-19 5.877*1014

5.353*1014

Orange

600

610

3.311*10-19 3.257*10-19 4.996*1014

4.914*1014

Red

650

700

3.056*10-19 2.838*10-19 4.611*1014

4.283*1014...