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One constitutional isomer of C2H4O2 has a pka of 40 while another has a pka of 5. Show lewis structures for each isomer and assign correct pka while succinctly explaining why the disparity in pka values.
Why are unsaturated carbonyl compounds UV active but saturated esters and ketones are not UV active
A 21.496 g sample of magnesium is burned in air to form magnesium oxide and magnesium nitride. when the products are treated with water, 2.813 g of gaseous ammonia are generated.
A tunable dye laser emits pulses of light at 483.0 nm, each having a total energy of 4.8E-6 J. Calculate the number of photons in each pulse
Mixture also contains He (helium gas). determine the partial pressure of the He gas?
Determine the of a solution that is 1.85% by mass. Assume that the solution has density of 1.01
Classify each of the following molecules as polar or nonpolar: a) GeH4; b) I2; c) CF3Cl; d) PCl3; e) BCl3; f) SCl2.
the water for the pan is not saturated with CO2. Will the reported percent CaCO3 in the original sample be too high, too low, or unaffected? Explain
The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10-3 min -1. How long will it take for a concentration of H2O2 to drop from .0200M to .0120 M
A bottle containing 315 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
consider 4.50 of a gas at 365 and 20. if the container is compressed to 2.90 and the temperature is increased to 35
in the reaction of gaseous nitrogen and hydrogen to form gaseous ammonia, what are the relative rate of disappearance of the two reactants? how is the rate of formation of the product related to the rates of disappearance of the reactant?
When calculating the density of your regularly shaped object, which measurement will limit your final result?
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