Homework Answers
well this will not work as we canot obseve any colour or fluorscence as our eyes are not able to observe the ir light so everthing dark to us
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A student attempts to make a solution fluoresce green light using an infrared light source. Will...
A student performs a double-slit experiment using a monochromatic light source with a wavelength of 5.00...
A student performs a double-slit experiment using a monochromatic light source with a wavelength of 5.00 ´ 10–7 m. The pattern appears on a screen 150 cm away and the bright fringes are 0.40 cm apart. If the wavelength of the light used is changed to 7.50 ´ 10–7 m, what would the average distance between bright fringes become? a. 0.15 cm d. 0.60 cm b. 0.20 cm e. 1.5 m c. 0.27 cm
Sample X was dissolved in hot alcohol forming a light green solution and was treated with...
Sample X was dissolved in hot alcohol forming a light green
solution and was treated with
activated carbon during recrystallization. The final product
obtained was a grey crystal. Based on literature, sample X
supposedly to be colourless. Explain why the product obtained was
different from literature. Propose steps to obtain a colourless
product.
5. Sample X was dissolved in hot alcohol forming a light green solution and was treated with n. The final product obtained was a grey crystal. Based...
1. A beam of green light is split by thin double slit with separation of 0.0500mm...
1. A beam of green light is split by thin double slit with separation of 0.0500mm and incident upon a screen some distance away. The angles of the first and second maximums are .584o and 1.17o respectively. What is the wavelength of the green light? 2. A single, monochromatic indigo light source is shined through an etched, flat prism with a slit separation of .0250mm. The resulting interference pattern is viewed on a screen 1.25m away. The third maximum is...
explain the light source of a microscope using complete and simple sentences
explain the light source of a microscope using complete and simple sentences
A light source containing two wavelengths, red and green, is incident on two slits separated by...
A light source containing two wavelengths, red and green, is incident on two slits separated by a distance "d". The resulting pattern is observed on a screen a distance "L"away. 1. Draw a diagram indicating the source, the slits, the screen and the resulting zeroth, first and second order pattern observed on the screen. Clearly label the color(s) of the spots. (10 Points) Op 2. In the two 2. In the two-slit experiment described above, a third-order bright fringe for...
Express the wavelength of 500 nm (green light) in units of wavenumbers (c work nt: The...
Express the wavelength of 500 nm (green light) in units of wavenumbers (c work nt: The wavenumber (cm1) is a common unit used in infrared spectroscopy number of wavelengths that would fit in 1 cm. 2 x 104 cm1 2 x 106 cm 2 x 102 cm1 -1 2 cm
A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35...
A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35 g sample of NaHCO3? 4.2 ml 3.5 mL 100 mL 42 mL 35 mL
A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35 g sample of NaHCO3? 4.2 ml 3.5 mL 100 mL 42 mL 35 mL
A student needs to make a buffer solution with a pH of 5.08 using acetic acid...
A student needs to make a buffer solution with a pH of 5.08 using acetic acid and sodium hydroxide starting with 100.0 mL of 0.38 M acetic acid. Calculate the number of moles of sodium hydroxide that should be added to achieve the desired pH.
A student analyzing a green solution with a Spectronic 20 sets the instrument to give a...
A student analyzing a green solution with a Spectronic 20 sets the instrument to give a background (Blank) reading of 98.5%T with distilled water when set at a wavelength of 735 nm, then obtains a 39.7%T reading for the solution at the same wavelength. Determine the Absorbance of the solution at this wavelength. Please solve this problem with the complete solution.
A student measures the absorbance of a solution containing FeSON on using a spectrophotometer. The cuvette...
A student measures the absorbance of a solution containing FeSON on using a spectrophotometer. The cuvette used by the student has two frosted walls and two transparent walls. The student properly orients the cuvette so that the path of the light goes through the transparent sides of the cuvette when calibrating the spectrophotometer. How will the measured absorbance of the FeSCN be affected if the student incorrectly orients the cuvette so that the path of the light is through the...
Sample X was dissolved in hot alcohol forming a light green
solution and was treated with
activated carbon during recrystallization. The final product
obtained was a grey crystal. Based on literature, sample X
supposedly to be colourless. Explain why the product obtained was
different from literature. Propose steps to obtain a colourless
product.
5. Sample X was dissolved in hot alcohol forming a light green solution and was treated with n. The final product obtained was a grey crystal. Based...
A light source containing two wavelengths, red and green, is incident on two slits separated by a distance "d". The resulting pattern is observed on a screen a distance "L"away. 1. Draw a diagram indicating the source, the slits, the screen and the resulting zeroth, first and second order pattern observed on the screen. Clearly label the color(s) of the spots. (10 Points) Op 2. In the two 2. In the two-slit experiment described above, a third-order bright fringe for...
Express the wavelength of 500 nm (green light) in units of wavenumbers (c work nt: The wavenumber (cm1) is a common unit used in infrared spectroscopy number of wavelengths that would fit in 1 cm. 2 x 104 cm1 2 x 106 cm 2 x 102 cm1 -1 2 cm
A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35 g sample of NaHCO3? 4.2 ml 3.5 mL 100 mL 42 mL 35 mL
A student must make a 0.10 M solution fo NaHCO3. How many mL of solution can be made using a 0.35 g sample of NaHCO3? 4.2 ml 3.5 mL 100 mL 42 mL 35 mL
A student measures the absorbance of a solution containing FeSON on using a spectrophotometer. The cuvette used by the student has two frosted walls and two transparent walls. The student properly orients the cuvette so that the path of the light goes through the transparent sides of the cuvette when calibrating the spectrophotometer. How will the measured absorbance of the FeSCN be affected if the student incorrectly orients the cuvette so that the path of the light is through the...
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Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
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