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Sulfur dioxide, SO2(g), can react with oxygen to produce sulfur trioxide, SO3(g), by the following reaction2SO2(g) + O2(g) -> 2SO3(g)
The standard enthalpies of formation for SO2(g) and SO3(g) are
Delta H ( SO2 (g) ) = -296.8 KJ/Mol
Delata H ( SO3 (g) = -395.7 Kg?mol
Calculate the amount of energy in the form of heat that is produced when a volume of 1.25 L of SO2(g) is converted to 1.25 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas behavior.
Table salt and sugar are accidentally mixed A 4.90 g sample is burned and 2.20-g of CO2 is produced What is the mass percentage of salt in the mixture?
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
How many grams of NH4Cl must be added to 424 mL of a 0.69 M solution of NH3 to prepare a pH = 9.00 buffer.
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Look at the structures of each and rationalize the difference in Mp. Which intermolcular force dominated in this case? (2pts) a.)H-bonding b.)Dispersion c.)Dipole
Complete the following table with the correct formulas from the ions
Choosing CO^2+, write a series of two balanced chemical equations representing the reaction that occurs when HCl and NH3 are added to an aqueous solution of the transition metal cation.
If 1.500 g of solute having molar mass of 125.0 g were dissolved in 35 g of camphor, what would be the resulting freezing point of the solution?
Calculate the pH of a solution that results from mixing 37.6 mL of 0.127 M ammonia with 48.3 mL of 0.119 M ammonium chloride.
Predict the wavelength (in nm) of the lowest-energy electronic transition in the following polymethine ion:((CH_{3})_{2}N^{+}=CH-CH=CH-CH=CH-N(CH_{3})_2) Assme that all the C-C and C-N bond lengths equal
When 1.28 mg of hydrogen peroxide decomposes in the presence of manganese dioxide to form water and oxygen, how many miligrams of each are produced?
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