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Calculate the entropy change of 1.0 mol of an ideal gas that undergoes an isothermal transformation form an initial state of pressure Π = 1.50atm and volume 500cm3 to a final state of pressure of = 0.09atm.
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
Calculate the mass of propylene glycol that must be added to .360 kg of water to reduce the vapor pressure by 2.87 torr at 40 degrees celsius (Ph20 at 40 degrees = 55.3)
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
What is the Slater determinant for the GS of Be? I need to also find an expression for its energy in terms of Coulomb and Exchange integrals.
how many moles of potassium chloride are formed when 5.0 moles of chlorine are reacted with potassium bromide to
Consider the titration of a 23.0?mL sample of 0.110M HC2H3O2 with 0.120M NaOH. Determine each of the following.
A homeowner uses 4.00 x 10^3 m^3 of natural gas in a year to heat a home. Assume that natural gas is all methane, CH4, and that methane is a perfect gas for the conditions of this problem, which are 1.00 atm and 20 C. What is the mass of gas used
What can you conclude when no precipitate forms when HCL is added to an unknown solution
The book wants to know what the ground-state electron configuration should be for Ag+. I understand that if you have a positive ion, that it is losing an electron, so the ground state would reflect Palladium.
a 2.16-l sample of oxygen is collected at 99.6 kpa and 305k. if the pressure increases to 122.8 kpa and the temperature
Problem- Purification of nickel can be achieved by electrorefining nickel from an impure nickel anode onto a pure nickel cathode in an electrolytic cell. How many hours will it take to plate 16.5 kg of nickel onto the cathode if the current passed..
What mass of NaOH is needed to precipate the Cd upper case 2 upper case + ions from 30.0mL of 0.520 M italic Cd (NO3)2 solution
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