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One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures. (a) P1 = 5.00 atm (initial state) (b) P2 = 2.19 atm (c) P3 = 1.00 atm (final state) What is thet total work (in joules) in going from the initial to the final state by the way of the preceeding two steps? What would be the total work if the process were carried out reversibly? (in J)
If we add more water to the vessel the pressure (remains the same, decreases, or increases)? Fully explain answer for credit
How many grams of sodium succinate (MW=140 g/mol) and disodium succinate (MW=162 g/mol) must be added to 1L of water to produce a solution with pH=6.0 and a total solute concentration
Methyl Orange was synthesized using a diazo-coupling reaction. Show how you would synthesize Yellow #3 and Red #32
When 6.40 g of CH3OH was mixed with 10.2 g of O2 and ignited, 7.50 g of CO2 was obtained. What was the percentage yield of CO2?
At 760K, 85% of a sample of cyclopropane changes to propane in 79.0min. Calculate the value of the rate constant for this reaction. All isomerization reactions are first-order.
Express the concentration of 3 % H2O2 solution as molality and in a mole fraction. Explain the meaning of the mole fraction.
Calculate the activation energy (in joules) for a reaction whose rate constant doubles when the temperature is raised
Assuming that these species remain gaseous at 119K , for which species is the equipartition theorem prediction for the rotational contribution to the internal energy appropriate?
A 68-g ice cube at 0°C is placed in 680 g of water at 22°C. What is the final temperature of the mixture?
At 25 degrees Celsius, the reaction: H3O+ + NH3 --> NH+ + OH- is first order in each reactant, and has a rate constant of 4.3x 10^10 M^-1 s^-1
Octane has a density of .692 g/ml at 20 degrees Celsius. how many grams of O2 are required to burn 1.00 gal of C8H18.
What kind of compound is 2,3-dihydroxypentane? From what precursor do you synthesize the kind of compound that 2,3-dihydroxypentane is?
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