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a) Every Ka is for a reaction HA (aq) + H2O (l) ? H3O+ (aq) + A? (aq).
Write the chemical equilibrium for the acid H2CO3 for which the equilibrium constant is the Ka of carbonic acid.
b) Write the expression for the Ka for the reaction of carbonic acid with water, i.e. Ka = [etc]
Aluminum metal is formed by the electrolysis of Al2O3 in molten cryolite. How many grams of Al are produced when 6.50 x 10^3 C pass through the cell
A semiconductor of n-type is know to have an electron concentration of 3 x 1018 m-3. If the electron drift velocity is 100 m/s in an electric field of 500 V/m
1. Assume that, for a laboratory assignment, you need 15 mL of 2.5M potassium hydroxide (KOH). All you can find, however, is a bottle of concentrated potassium hydroxide with a strength of 16M. Clearly explain, using calculations as necessar..
During a lab experiment, we were to determine the relative level of saturation by adding, drop by drop, a solution of bromine in cyclohexane to oil and a fat, individually. However, the color that is supposed to be retained due to unreacted bromin..
Kerosene (decane, C10H22) with a density of 49.3 lbm/ft3 has a HHV of 20,484 Btu/lbm and costs $0.500 per gallon. Calculate the cost of 1.00 therm (105 Btu) obtained by burning kerosene.
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
Calculate its standard heat of combustion in kilojoules. Methyl tert-butyl ether (MTBE), , a gasoline additive used to boost octane ratings, has = -313.6.
need detailed mechanism for the reaction between monochloramine and dimethylamine to form11-dimethylhydrazineand hcl.
In an acid phosphatase you have determined Ki to be 10.5 mu M for NaF, a non-competitive inhibitor. How much sodium fluoride is required to bring 65% inhibition of the Vmax?
essential to prevent uncontrolled raise of the rate of chain reaction in the nuclear power plant. Can you try to find additional information how rate of chain reaction
A student observed the melting point of 4-methoxychalcone to be 63-70oC. Which of the following is (are) plausible explanation for this observation
On one column two peaks have resolution 0.9 (not completely resolved). calculate resolution for the same components on twice longer column.
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