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26. How does one determine the pressure-volume work done on or by a gaseous system? 28. How does one determine the internal energy of a reaction carried out under constant volume like bomb calorimetry? 30. How is the enthalpy of a system determined from the internal energy and the work done?
A 50 mL volume of the solution with an initial pH of 6.5 was titrated with 0.01 M HCl and after the addition of 9.8 mL of titrant, the solution pH was 4.8. Find the concentrations of the acetate and phosphate species that were present in the initi..
Suggest a detailed mechanism for the reaction of the anion of diethyl benzylphosphonate with benzaldehyde
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP
When heated to 350 at 0.950 , ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases.
what is the concentration of oxygen in air-saturated water at 25 degrees C and .85 atm? Assume that the mole fraction XO2 is .209 and Henry's law constant for oxygen
What is the rate law of the reaction? b) What is the rate constant for this reaction at 64 degrees Celcius? c) At 64 degrees Celcius if the initial concentration of N2O5 is 0.048 M, how long will it take to drop to 0.024 M?
Define A mixture of .0375 g of hydrogen and .0185 mol of oxygen in a closed container is sparked to initiate a reaction. Define how many grams of water can form. Explain which reactant is in excess, as well as how many grams of it remain after the..
Which has the greater buffer capacity a) a mixture containing 0.0500 mol of NH3 and 0.100 mol of NH4CL or b) a mixture containing 0.100 mol of NH3 and 0.200 mol of NH4CL
Calculate the binding energy for Cf-253 if one atom of this nuclide has an atomic mass of 253.08249. Express your answer in units of picojoules/nucleus where 1 picojoule = 1x10-12 joule.
how much must you perspire to maintain a constant body temperature assuming no other energy changes and all the calorie content of the soda is released as heat?
What is the vapor pressure of each of the solution components in the mixture? What is the total pressure above the solution?
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