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A sample of solid ammonium carbonate is heated in a closed container at 298 K and allowed to reach equilibrium. The total pressure of the system is 0.114 atm. Find out the value of Kp Recall Dalton's law - The total pressure = the sum of the partial pressures)NH4CO2NH2(s) <==> 2NH3 (g) + CO2 (g)
Draw the expected titration curve for the titration of methylamine (a weak base) with hydrochloric acid? What would be the nature of the salt produced at equivalence point of this titration?
What is the maximum number of electrons that can be freed by a burst of light of 405 nm whose total energy is 1.00μJ?? Given the minimum evergy of 4.41*10^-19 and a maximum kinetic energy 4.95*10^-20.
at a constant temperature which of the following would be expected to affect the rate of a given chemical reaction?1.
calculate the work done by the gas in each case. For He, Cp= 20.79 J/K/mol and Cv= 12.38 J/K/mol, which may be taken as independent of temperature.
Electronic spectroscopy makes transitions between electronic states, as well as vibrational (and rotational) states. Explain why no general vibrational-state selection rule exists for electronic transitions.
a 10.000-g sample of toothpaste containing stannous flouride gives a 0.145-g precipitate of stannous phosphate. What is the percentage of SnF2 in the toothpaste sample?
what is the strongest intermolecular force in a liquid containing molecules
calculate the value of deta s when 1.20 mol ch3oh l of is vaporized at 64.7 c. the normal boiling point of methanol is
a 10.0-g sample of ice at -16.0degc is mixed with 105.0 g of water at 76.0degc. calculate the final temperature of the
small protein in 5.00mL aqueous solution has an osmotic pressure of 7.85 torr at 23.1C. What is the molar mass of the protein?
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 12.0% NaOH by mass
Calculate the percentage of naphthalene that was in the ternary mixture. Express your answer in percentage to the nearest tenth of a percent.i.e 0.1%
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