# G 30 h 35 i 50 j 100 chemistry 213 xmas 04 5 using

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CHEMISTRY 213XMAS 045Using the following frequencies (Hz):a) 4.7 x 108b) 5 x 108c) 5.3 x 108d) 5.3 x 109e) 4.7 x 1011f) 1 x 1014g) 7.5 x 1014h) 1 x 1015i) 7 x 1015j) 3 x 101842At what frequency will the alcohol-OH of GHBabsorb ir radiation43What resonance frequency would be used to detect the F of rohypnol, assuming the sameinstrument as Questions 33-35. (γF= 0.94γH)44Some airports are proposing to scan passengers using a frequency of1012Hz;what isthe energy of a mole of “airport” photons (J mole-1)
The molecule H2N-C/Nis found in spaceSome of its relevant ir frequencies are at (cm-1)
45Which corresponds to theC/N stretch46Which is the symmetrical N-H stretch47Which is the C-N stretch48Which is the N-H bend49How many fundamental frequencies are there:
CHEMISTRY 213XMAS 046Some of the equations we have used this term are:EJ= h2J(J+1)/8π2Iν= (1/2π)(k/μ)1/2ν= (γ/2π)BoNU/NL= e-ΔE/RTI = m1m2r2/(m1+m2)Using the choices(cm-1)a) 20b) 40c) 60d) 80e) 120f) 160g) 200h) 240i) 320j) 40050If in the microwave spectra of H2O, the energy of the 1stline= 40 cm-1, what (in cm-1will be the energy of the transition from E1to E2(E0= lowest energy level).)
51What (in cm-1) will be the energy of the 5th level, E4.52The centre of the fundamental band for CO is at 2144 cm-1, and the spacing between thefirst two lines in the P branch of therotational spectrum is 4 cm-1. What will be thefrequency (cm-1) of the third line in the R branch
53In Question 52, what will be the frequency of the transition from v=0, J=2 to v=1, J=3
54In Question 52, where would the first hotline of CO be
55In Question 52, what is the zero point energyfor the C/O bond in J mol-1a) 10-3to 10-4b) 10-2to 10-3c) 0.1 to 10-2d) 0.1 to1e) 1 to 100f) 102to 103g) 103to 104h) 104to 105i) 105to 106j) 250

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Nuclear magnetic resonance