DETERMINE the UV, VIS AND IR SPECTRA OF these 6 types of glass Quartz,window glass, window...
DETERMINE the UV, VIS AND IR SPECTRA OF these 6 types of glass Quartz,window glass, window glass with green, window glass with red, window glass with blue, window glass with bright red using wave lenght on y-axis and transmittance on x-axis.
Homework Answers
The UV, VIS and IR SPECTRA of glass Quartz can be drawn as follows.
The UV, VIS and IR SPECTRA of window glass can be drawn as follows.
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DETERMINE the UV, VIS AND IR SPECTRA OF these 6
types of glass Quartz,window glass, window...
Version 1 0.) Red light propagates through window glass at a speed of 2.0 x 10 m/s. This means that bli light must...
Version 1 0.) Red light propagates through window glass at a speed of 2.0 x 10 m/s. This means that bli light must propagate through vacuum at a speed of: A) 1.5 x 10 m/s B) 2.0 x 10 m/s C) 2.5 x 10 m/s D) 3.0 x 10 m/s E) No way to know with the information given, but it must be <3.0 x 10 m/s A screen red, yellow, blue glass 7.) Red, yellow, and blue light along...
Sample Spectra overla بیا ن م Absorbance (AU) ن ه ن و ن 200 500 Wavelength...
Sample Spectra overla بیا ن م Absorbance (AU) ن ه ن و ن 200 500 Wavelength (nm Exp 6 Question 7 Read over your lab book "prelab" for this experiment paying particular attention to where it discusses UV absorption. There is also attached an additional chapter on using UV absorbance as an analytical tool. Look at the attached dibenzalacetone UV spectrum. Determine the absorbance max (A) from y-axis vs wavelength (x-axis). The concentration used was 25mg dibenzalacetone/SOmletoh of which Sml...
For each of the solutions described below, determine the pH range for the solution using the...
For each of the solutions described below, determine the pH range for the solution using the information given and the indicator chart Solution A Indicator Used alizarin yellow Indicator color Yellow bromthymol blue yellow methyl violet violet Range bear the 21 less than 7.6 leathen lib really them 5.1 Gooher the 3.2 bromcresol green green methyl red red The pH range for solution A is 3.2 7.6 Solution B Indicator Used methyl red Indicator color yellow Range leroth 67 alizarin...
PROCEDURE A. ABSORBANCE SPECTRA 1. Obtain three cuvettes. Add-2mL of the following samples to them: red...
PROCEDURE A. ABSORBANCE SPECTRA 1. Obtain three cuvettes. Add-2mL of the following samples to them: red dye, blue dye, yellow dye. 2. Obtain a spectrum for each dye according to the provided directions (water is the blank). 3. For each of the three dyes (red, yellow, and blue) record the wavelength for the largest peak in the visible range (380 nm to 750 nm), Record this in the data table below. Save the red dye for part B. 4. Identify...
help with identifiying each unknown in extraction and washing experiment. the ir spectra are given below,...
help with identifiying each unknown in extraction and washing
experiment. the ir spectra are given below, along with data, and
the lab sheet is attached.
Neutral Solid Primary amine (Aniline) 3403cm - NE presence Transmittance 60 3258cm 1 streren NOUD Streich 50 Ctretcher strator NH2 aromatto 11 NO2 aring 2-nitroaniline K LILI 3600 3200 2800 2400 2000 1800 1600 Wavenumber cm-1 1400 1200 1000 800 600 Basic Solid primary amine Transmittance I NH2 Stretch p-acetvianiline 70 60 CS HG NO...
PRE-LABORATORY QUESTIONS (For full credit show your calculations) 1. List the expected color of light and the...
PRE-LABORATORY QUESTIONS (For full credit show your calculations) 1. List the expected color of light and the corresponding wavelength (nm) associated with each cation (use Table 1) Rubidium, Rb Cesium, Cs 2. Calculate the energy associated with the light emitted by each of the elements above (sue equations 1 and 2) Rubidium, Rb Cesium, Cs 11:17 $3.us-east-1.amazonaws.com Flame Tests&Elecrn Ceniguaion 1 of 7 FLAME TESTS & ELECTRON CONFIGURATION INTRODUCTION AND BACKGROUND The chemistry of an element strongly depends on the...
-Give a brief background on the role of pigments in photosythensis. -state your hypothesis. -finish with...
-Give a brief background on the role of pigments in
photosythensis.
-state your hypothesis.
-finish with stating the rationale for your hypothesis (how
did you arrive at these hypothesis?)
this is an introduction piece, so it doesn't need the results to
write the papee. introduction sections set up the background,
purpose, rationale, and hypothesis for a study.
Biod 20 PHOTOSYNTHESIS Background Plants harness the energy of the sun through a process called photosynthesis. The leaf is the plant organ that...
please help with no 3,4,5 and 6 Thanks 1. What is standard error? Measure of statistical...
please help with no 3,4,5 and 6
Thanks
1. What is standard error? Measure of statistical accuracy of an estimate, equal to the standard deviation of the theorental distribution of a large populanon of such estimates 2. What calculation is used to describe the variation in measurements. 3. In experiment 3.2. You will be measuring out 40ml of volume. How many times will you measure 40 ml? 4. What is the difference for each time you measure out 40ml? In...
for this experiment i got a yield of 0.02g. what is the theoretical and percentage yield?...
for this experiment i got a yield of 0.02g. what is the
theoretical and percentage yield?
STUDENT HANDOUT Synthesis of poly(2-methoxy-542-ethylhexyloxy-1.4-phenyle Purpose of the Experiment ylhexyloxy-1.4-phenylenevinylene (MEH-PPV) The purpose of this experiment is 10 bis bromomethyl)-1-methoxy-4-2- experiment is to synthesize a polymer using a Gilch polymerization of 2,5 methyl)-1-methoxy-4-(2-ethylhexyloxybenzene, to investigate the polymer's photophysica properties, and to understand the mechanism of the polymerization reaction Introduction Polyphenylene vinylenes) or PPVs are highly luminescent polymers that are used for a variety of...
QUESTIONS TO ANSWER: Prepare a table of all chemicals used with the structure and purpose of...
QUESTIONS TO ANSWER:
Prepare a table of all chemicals used with the structure and
purpose of each.
Calculate the theoretical yield by finding limiting reactant of
the experiment by converting reactants to product (remember to show
all calculations used)
Calculate the percent yield using the limiting reactant
Calculate the Rf for triphenylmethanol. If there are two dots,
determine which one is triphenylmethanol.. ( I did not provide
data. Please let me know how I Would do this if I did)...
Version 1 0.) Red light propagates through window glass at a speed of 2.0 x 10 m/s. This means that bli light must propagate through vacuum at a speed of: A) 1.5 x 10 m/s B) 2.0 x 10 m/s C) 2.5 x 10 m/s D) 3.0 x 10 m/s E) No way to know with the information given, but it must be <3.0 x 10 m/s A screen red, yellow, blue glass 7.) Red, yellow, and blue light along...
Sample Spectra overla بیا ن م Absorbance (AU) ن ه ن و ن 200 500 Wavelength (nm Exp 6 Question 7 Read over your lab book "prelab" for this experiment paying particular attention to where it discusses UV absorption. There is also attached an additional chapter on using UV absorbance as an analytical tool. Look at the attached dibenzalacetone UV spectrum. Determine the absorbance max (A) from y-axis vs wavelength (x-axis). The concentration used was 25mg dibenzalacetone/SOmletoh of which Sml...
For each of the solutions described below, determine the pH range for the solution using the information given and the indicator chart Solution A Indicator Used alizarin yellow Indicator color Yellow bromthymol blue yellow methyl violet violet Range bear the 21 less than 7.6 leathen lib really them 5.1 Gooher the 3.2 bromcresol green green methyl red red The pH range for solution A is 3.2 7.6 Solution B Indicator Used methyl red Indicator color yellow Range leroth 67 alizarin...
PROCEDURE A. ABSORBANCE SPECTRA 1. Obtain three cuvettes. Add-2mL of the following samples to them: red dye, blue dye, yellow dye. 2. Obtain a spectrum for each dye according to the provided directions (water is the blank). 3. For each of the three dyes (red, yellow, and blue) record the wavelength for the largest peak in the visible range (380 nm to 750 nm), Record this in the data table below. Save the red dye for part B. 4. Identify...
help with identifiying each unknown in extraction and washing
experiment. the ir spectra are given below, along with data, and
the lab sheet is attached.
Neutral Solid Primary amine (Aniline) 3403cm - NE presence Transmittance 60 3258cm 1 streren NOUD Streich 50 Ctretcher strator NH2 aromatto 11 NO2 aring 2-nitroaniline K LILI 3600 3200 2800 2400 2000 1800 1600 Wavenumber cm-1 1400 1200 1000 800 600 Basic Solid primary amine Transmittance I NH2 Stretch p-acetvianiline 70 60 CS HG NO...
PRE-LABORATORY QUESTIONS (For full credit show your calculations) 1. List the expected color of light and the corresponding wavelength (nm) associated with each cation (use Table 1) Rubidium, Rb Cesium, Cs 2. Calculate the energy associated with the light emitted by each of the elements above (sue equations 1 and 2) Rubidium, Rb Cesium, Cs 11:17 $3.us-east-1.amazonaws.com Flame Tests&Elecrn Ceniguaion 1 of 7 FLAME TESTS & ELECTRON CONFIGURATION INTRODUCTION AND BACKGROUND The chemistry of an element strongly depends on the...
-Give a brief background on the role of pigments in
photosythensis.
-state your hypothesis.
-finish with stating the rationale for your hypothesis (how
did you arrive at these hypothesis?)
this is an introduction piece, so it doesn't need the results to
write the papee. introduction sections set up the background,
purpose, rationale, and hypothesis for a study.
Biod 20 PHOTOSYNTHESIS Background Plants harness the energy of the sun through a process called photosynthesis. The leaf is the plant organ that...
please help with no 3,4,5 and 6
Thanks
1. What is standard error? Measure of statistical accuracy of an estimate, equal to the standard deviation of the theorental distribution of a large populanon of such estimates 2. What calculation is used to describe the variation in measurements. 3. In experiment 3.2. You will be measuring out 40ml of volume. How many times will you measure 40 ml? 4. What is the difference for each time you measure out 40ml? In...
for this experiment i got a yield of 0.02g. what is the
theoretical and percentage yield?
STUDENT HANDOUT Synthesis of poly(2-methoxy-542-ethylhexyloxy-1.4-phenyle Purpose of the Experiment ylhexyloxy-1.4-phenylenevinylene (MEH-PPV) The purpose of this experiment is 10 bis bromomethyl)-1-methoxy-4-2- experiment is to synthesize a polymer using a Gilch polymerization of 2,5 methyl)-1-methoxy-4-(2-ethylhexyloxybenzene, to investigate the polymer's photophysica properties, and to understand the mechanism of the polymerization reaction Introduction Polyphenylene vinylenes) or PPVs are highly luminescent polymers that are used for a variety of...
QUESTIONS TO ANSWER:
Prepare a table of all chemicals used with the structure and
purpose of each.
Calculate the theoretical yield by finding limiting reactant of
the experiment by converting reactants to product (remember to show
all calculations used)
Calculate the percent yield using the limiting reactant
Calculate the Rf for triphenylmethanol. If there are two dots,
determine which one is triphenylmethanol.. ( I did not provide
data. Please let me know how I Would do this if I did)...
Most questions answered within 3 hours.
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