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Carbon monoxide (CO) has a much smaller dipole moment than expected. This observation has puzzled chemists and led to much argument about the nature of the bonding in the molecule. There are three important resonance structures for the molecule. One of them has no formal charges; the other two are polarized in opposite directions. Write these resonance structures and analyze each one to see whether each atom has an octet around it; are the formal charges in accord with the relative electronegativities of C and O? Try to rationalize the small dipole moment of Co based on your answers.
For the elementary process N2O5 (g) = NO2(g) + NO3 (g) the activation energy (Ea) and overall Delta E are 154 KJ/mol, and 136 KJ/mol, respectively. What is the activation energy of the reverse reaction.
Determine the entropy of an ideal gas with cp=(7/2)R,between the following states: P1=1bar,T1= 300K, P2= 0.5bar, T2= 500K
A gas expands and does P-V work on the surroundings equal to 261 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
A current of 3.65 A is passed through a Fe(NO3)2 solution for 1.40 hours. How much iron is plated out of the solution
What is the atomic mass of an atom if its mass is approximately equal to the following?
What is the hybridization scheme for the central atom in the following?
Balance the following formula unit equation. What is the sum of all of the coefficients. (Do not forget coefficients of one.) KMnO4 + H2O2 + H2SO4 ® O2 + MnSO4 + K2SO4 + H2O
The activation energy of a certain reaction is 46.7 kJ/mol. At 20 C, the rate constant is s^-1. At what temperature would this reaction go twice as fast
How many molecules of carbon dioxide are produced when 123 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
demonstrating the low melting point of gallium metal 29.8degc an instructor removes a 1.00 kg sample of the metal from
When a 5.00 L flask containing 1.35 atm of gas A is joined with a 2.00 L flask containing 1.00 atm of gas B, and the stopcock between the flasks is opened, and the gases are allowed to mix thoroughly at constant temperature
Provide the mechanism for the preparation of p-nitrobenzene diazonium cation from p-nitroaniline and nitrous acid, HNO2.
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