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Consider the reaction A? B Assuming ?G?f (A) = 8.066 kJ/mol and ?G?f (B)= 12.24 kJ/mol, what is the equilibrium constant for this reaction at 25 oC?
An ascorbic acid supplement was analyzed by titrating a 0.1000g sample dissolved in water with 0.0200M NaOH. A volume of 15.20 mL of the base was required to completely neutralized the ascorbic acid. What was the percentage by mass of ascorbic aci..
The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr
Silver carbonate will decompose when heated as shown in the unbalanced chemical equation below. An impure sample containing 84.1 % Ag2CO3 by mass is heated to produce 9.02 g of oxygen (O2). Calculate the mass of the impure sample used in the react..
A gas at 89.0°C occupies a volume of 0.67 L. At what Celsius temperature will the volume increase to 1.12 L
Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.
Write the chemical equation for the formation of CH from H and C atoms. Lone pairs do not need to be included. Then Using the table of bond energies determine the ?H for the above reaction.
Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
Calculate the fraction of hexane molecules that reside in the vapor above the solution
Which of the following buffers will have the lowest pH?
How much heat is needed to vaporize 2.42 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
A 4.5 g sample of LiCl at 25 degrees Celsius dissolves in 25 mL of water also at 25 degrees Celcius. The final equilibrium temperature of the resulting solution is 60.8 degrees celsius. What is the enthalpy of solution delta H subscript 8 of LiCl ..
Procedure for Using Hess's Law; for Part C, What is the enthalpy for the following reaction
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