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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.
If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature
Bones vary in mechanical properties. Where on the range of mechanical properties for bone do you think this bone would fall? Address at least elastic modulus, yield stress, and yield or ultimate strain.
a mixture of ch4 and h2o is passed over a nickel catalyst at 1000 k. the emerging gas is collected in a 5.00 l flask
Not wanting to waste the expensive sample, you decided to measure the pH of the solution and determined it to be 1.85. What was the concentration of the orginal acid sample? (Hint: it is a monoprotic acid)
Table salt, NaCl(S), and sugar, C12H22O11 (s), are accidentally mixed. A 4.50-g sample is burned and 2.90 g of CO2 (g) is produced. What was the mass percentage of the table salt in the mixture
When a sky diver free-falls through the air, the process is a. non-spontaneous because he is accelerating due to the force applied by gravity. b. non-spontaneous because he is losing potential energy. c non-spontaneous because he had planned the j..
A is the sequence Na, Mg, Al, Si, and P. B is the sequence He, Ne, Ar, Kr, and Xe. Which statement below is true. The members of B are decreasing in size.
Calculate the molarity of a hydrochloric acid solution that is 18.25% HCl by mass and has a density of 1.20 g/mL.
Permanganate ion will oxidize Cr3+ in acidic solution to produce Mn2+ and what other product. The answer is dichromate, but why.
So which ATOMS are electron donating and electron withdrawing, and what does electron withdrawing have on the stability of a cation and anion, what does electron donating have on a cation and anion
if a sample of gas is at 2 atm and is at 15 degrees celsius, what would be the new pressure in the gas if the gas is heated to 100 degrees celcius?
ethoxypropan-2-ol can be made by the ring opening of an epoxide when sodium ethoxide in ethanol-water is used. A) Draw the skeletal structure of (R)-1-ethoxypropan-2-ol.
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