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Assume the equilibrium constant for the reaction of a particular alcohol with a carboxylic acid is 4.3. What is the calculated yield of the ester?
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
calculate the molality m of a 7.25 kg sample of a solution of the solute ethanol dissolved in the solvent water if the
calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.
How much heat is released by 100.0 mL of a dilute solution of NH4NO3 as it changes its temperature from 22.4C to 19.1C when it is being prepared?
A mixture of CaCO3 and CaO weighing 0.705 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.474 g.
Determine the V of a voltaic cell (E°cell) if it is required to do 5.43 × 10¯3 Kilo Joule of work when a charge of 2.50 C is transmitted.
calculate the root-mean-square speed of Ne atoms at the temperature at which the average kinetic energy
If hydrogen gas is collected over water at 20°C and 763 mm Hg, what is the partial pressure of the H2? The vapor pressure of water at 20°C is 17.5 mm Hg.
write the net ionic equation, a solution of tin II chloride is added to a solution of iron III sulfate
Isotope 1 has a mass of 107.0 amu and an abundance of 55.9%. Isotope 2 has a mass of 109.0 amu. What is the atomic mass of the element?
At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range. CaCO3(s) -> CaO(s) + CO2(g)
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