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A 7.00 mL ampule of a 0.110 M solution of naphthalene in hexane is excited with...
A 7.00 mL ampule of a 0.110 M solution of naphthalene in hexane is excited with a flash of light. The naphthalene emits 18.5 J of energy at an average wave length of 349nm. What percentage of the naphthalene molecules emitted a photon? Please show me the steps, I tried to work it out looking at similar problems and can't get my math to match. Please give me some steps.
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A 4.00 mL ampule of a 0.130 M solution of naphthalene in hexane is excited with...
A 4.00 mL ampule of a 0.130 M solution of naphthalene in hexane is excited with a flash of light. The naphthalene emits 12.8 J of energy at an average wavelength of 349 nm. What percentage of the naphthalene molecules emitted a photon?
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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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