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(a) What experimental evidence is there for the electron having a "spin"?
(b) Draw an energy-level diagram that shows the relative energetic positions of a 1s orbital and a 2s orbital. Put two electrons in the 1s orbital.
(c) Draw an arrow showing the excitation of an electron from the 1s to the 2s orbital.
Draw an energy-level diagram for the valence molecular orbitals of CO. Include the relevant atomic orbitals in your diagram. Clearly label each molecular orbirals
draw the lewis structure of the perbromate ion with an octet on bromine and one example of each resonance form with an
We mixed ortho vanillin with carbethoxymethylene triphenyphosphorane. I would like to know how the imide was created in the first step. What protonated the amine before the amine protonates the carbonyl
difference between elements mixtures and compounds
This would be as simple as how many went in and the net result, but my first 2 attempts were incorrect: (1,2,2,2 -->2,4,2) and (1,4,2,2 -->2,2,2) Please include a reason why knowing the # of Carbons in glucose and pyruvate is a hint.
how much potssium chlorae is needed to produce 20.0 mL of oxygen gas at 670 mm Hg and 20 degrees celcius.
write a chemical equation for rm hclaq showing how it is an acid or a base according to the arrhenius definition.
Sulfer trioxide dissolves in water producing H2SO4 explain how much sulfuric acid can be produced from 13.9mL of water (d=1.00 g/ml) and 24.5 g of SO3
what is the pH of an aqueous solution composed of 0.64 M NH4+ and 0.20 M NH3? (Ka of NH4+= 5.6 x 10^-10)
Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
The halogenation of a hydrocarbon (RH): RH + X2 ? RX + HX may proceed by the mechanism below. Derive the rate law for the mechanism using the steady state approximation. (1) X2 ? 2X (2) X + RH ? R + HX (3) R + X2 ? RX +X (4) R + X ? RX
a chemist has isolated a new natural product and determined its molecular formula to be c24h40o4. in hydrogenation
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