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A 0.010 M aqueous solution of a weak acid HA has a pH of 4.00. What is the percent dissociation of HA in the solution?
Write the mechanism for the formation of 4-chlorobenzanilide from the combination of the following reagents:
A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 585 ?
A 0.0050 molar solution of sugar is separated from pure water by a membrane at 20 C. What is the osmotic pressure?
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
When 20.0 grams of water is cooled from 20.0 Celsius to 10.0 Celsius, the number of Joules of heat released is
What is the density of a block of marble that occupies 350 cm3 and has a mass of 660 g?Answer in units of g/cm
34.62 mL sample of .1510 molar NaOH was needed to completely neutralize 50 mL of an H2SO4 solution. what is the concentration of the origional sulfuric acid solution?
Devise a synthesis of hexanedial OHC(CH2)4CHO from phenol and any needed organic or inorganic reagents.
Which byproduct would be obtained in high yield if the diazotization of p-toluidine were carried out at 30 oC instead of 0-5 oC
a solution of ethanol c2h5oh in water is prepared by dissolving 62.0 ml of ethanol density 0.79 gcm3 in enough water
Show the expected stepwise mechanism for the photochemical monochlorination of cyclohexane. Label the initiation, chain propagation
a 0.250- sample of a magnesium-aluminum alloy dissolves completely in an excess of . when the liberated is collected
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