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The expressions for the P-, Q-, and R-branches, assume that the moment of inertia of the molecule is the same in the excited vibrational states as in the ground state. Derive expressions for the positions of the lines without making these assumptions.
Provide a structure for the following compound: UV spectrum: ?max = 272 nm (? = 39,500); EI mass spectrum: m/z = 129 (molecular ion and base peak); IR: 2200, 970 cm-1; 1H NMR: ? 5.85 (1H, d, J = 17 Hz); ? 7.35 (1H, d, J = 17 Hz); ? 7.4 (5H, appare..
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
Treatment of 10.00g of XCl2 with excess chlorine forms 12.55g XCl4. Calculate the molar mass of the element, X.
A concentration cell contains electrodes made of the same metal and solutions containing the same ions but at different concentrations.
The equilibrium constant is 100. Calculate the concentrations of O2 present at equilibrium
The equilibrium constant for the reaction, 2HI = H2 + I2 is 0.49. Calculate the number of moles of hydrogen produced when one mole of HI
C is unique in its ability to form single , double and triple bonds with another C atom. Predict the structure of the following compounds.
A compound with the empirical formula CH2O was found to have a molar mass between 89 and 91 g. What is the molecular formula of the compound?
The total pressure for a mixture of N2O4 and NO2 is 1.5 atm. If Kp=7.1 (at 25 degrees C) calculate the partial pressure of each gas in the mixture. 2NO2(g) N2O4(g)
PCl5(g) PCl3(g) + Cl2(g) Kc=0.042 The consentrations of the products at equilibrium are (PCl3)= 0.150M and (Cl2)=0.200 M. What is the consentration of the reactant, PCl5 at equilibrium
The minimum energy required to cause the photo electric effect in potassium metal is 3.69*10^-19 J. will photoelectrons be produced when light shines on the surface of potassium?if 400 nm radiation is shone on potassium,what is the velocity of the..
Adrenaline is the hormone that triggers release of extra glucose molecules in times of emergency or stress. A solution of .64g of adrenaline in 36g of CCl4 causes an elevation of .49 degrees C in the boiling point. What is the molar mass of the ad..
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