Yes Man
Experiment 1: Measurement and Expression of Experimental Data
Date Performed: January 23, 2012 Armando del Valle Date Submitted: January 23, 2012
Chemistry 1045L-8
Lindsey Osterfeld
Purpose
The purpose of this experiment is to review simple mathematical and graphing techniques. In Part A mostly “mathematical treatments of data” will be reviewed as well as a basic review of graphing. Part B will expand on more elaborate graphing techniques.
Exercises
1)
a) 01.501 x 103 4 b) 700.01 5 c) 193005 6 d) 6.010 x 10-4 4 e) 0.070 2
2)
a) 151626 1.52 x 105 b) 0.00844 8.44 x 10-3 c) 0.000010350 1.04 x 10-5 d) 1255 1.26 x 103 e) 33.535 3.35 x 101
3)
a) (6.49 x 105/2) – 45.38 = 324000 b) 5.32 x 10-15 * 2.447 x 1016 = 130. c) (3.15 x 10-1 – 9.7 x 10-3) * [(4.7 x 10-2)/(2.33 x 10-3)] = 1.5 x 10-2 d) 1.62 x 10-3 + 8.1 x 10-4 = 2.4 x 10-3 e) (0.45 + 167.6)/1.6 x 10-2 = 11000
4) a) The Bohr radius: 5.29 x 10-11 b) The speed of light: 3.00 x 108 c) Charge of a proton: 1.60 x 10-19 d) Rydberg constant: 1.10 x 107
5)
a) Antilog 0.485 = 3.05 b) Ln 60 = 4.1 c) e-1.41 = .244 d) Log 3.975 x 10-2 = -1.401 e) Antilog 6.86 = 7.24 x 106 f) Log 8.74 = .942
6)
a) 3.8842, 3.8611, 3.8263, 3.8191, 3.8945, 3.8916, 3.8511, 3.8651 b) Mean: 3.86163 c) Standard deviation: 0.02846
7)
Q1: The relationship between temperature and pressure is linear.
8)
Q1: This solution does not follow Beer’s Law.
Q2: The concentration of a solution that has an Optical Density of 0.28 is about 0.3 M.
Q3: The concentration of a solution that has an Optical Density of 1.01 is about 1 M.
10)
Q1: The slope of the graph is 5.40 x 10-5 mL/torr.
11)
Q1: y = 103x + 20
Q2: Experimental Spectrometer Reading (au) | Corrected Wavelength (nm) | 5.82 | 619.5 | 4.27 | 459.81 | 4
Date Performed: January 23, 2012 Armando del Valle Date Submitted: January 23, 2012
Chemistry 1045L-8
Lindsey Osterfeld
Purpose
The purpose of this experiment is to review simple mathematical and graphing techniques. In Part A mostly “mathematical treatments of data” will be reviewed as well as a basic review of graphing. Part B will expand on more elaborate graphing techniques.
Exercises
1)
a) 01.501 x 103 4 b) 700.01 5 c) 193005 6 d) 6.010 x 10-4 4 e) 0.070 2
2)
a) 151626 1.52 x 105 b) 0.00844 8.44 x 10-3 c) 0.000010350 1.04 x 10-5 d) 1255 1.26 x 103 e) 33.535 3.35 x 101
3)
a) (6.49 x 105/2) – 45.38 = 324000 b) 5.32 x 10-15 * 2.447 x 1016 = 130. c) (3.15 x 10-1 – 9.7 x 10-3) * [(4.7 x 10-2)/(2.33 x 10-3)] = 1.5 x 10-2 d) 1.62 x 10-3 + 8.1 x 10-4 = 2.4 x 10-3 e) (0.45 + 167.6)/1.6 x 10-2 = 11000
4) a) The Bohr radius: 5.29 x 10-11 b) The speed of light: 3.00 x 108 c) Charge of a proton: 1.60 x 10-19 d) Rydberg constant: 1.10 x 107
5)
a) Antilog 0.485 = 3.05 b) Ln 60 = 4.1 c) e-1.41 = .244 d) Log 3.975 x 10-2 = -1.401 e) Antilog 6.86 = 7.24 x 106 f) Log 8.74 = .942
6)
a) 3.8842, 3.8611, 3.8263, 3.8191, 3.8945, 3.8916, 3.8511, 3.8651 b) Mean: 3.86163 c) Standard deviation: 0.02846
7)
Q1: The relationship between temperature and pressure is linear.
8)
Q1: This solution does not follow Beer’s Law.
Q2: The concentration of a solution that has an Optical Density of 0.28 is about 0.3 M.
Q3: The concentration of a solution that has an Optical Density of 1.01 is about 1 M.
10)
Q1: The slope of the graph is 5.40 x 10-5 mL/torr.
11)
Q1: y = 103x + 20
Q2: Experimental Spectrometer Reading (au) | Corrected Wavelength (nm) | 5.82 | 619.5 | 4.27 | 459.81 | 4