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One mole of an ideal gas with a volume of 1.3 L and a pressure of 6.9 atm is allowed to expand isothermally into an evacuated bulb to give it a total volume of 3.1 L. Calculate w and q. Also, calculate qrev for this change of state.
How much heat (in kJ) is evolved in converting 1.00 {mol} of steam at 160.0C to ice at -45.0C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.
The binding energy of electrons to copper metal is 389.3 kJ/mol. What is the longest wavelength of light that will eject electrons from copper metal? Enter units.
how many grams of lead chromate form when a 1.00g sample of pbno32 is added to 25.0 ml of 1.00 m k2cro4
Calculate the volume of all gases evolved by the complete oxidation of 0.390 of the amino acid alanine if the products are liquid water, nitrogen gas, and carbon dioxide gas; the total pressure is 1.01 ; and = 291.
A mixture of 3.0 g of 1,1-diphenylethylene and 100 mg of sulfuric acid was heated for 2 hours. Upon cooling, 2.2 grams of crystalline 1,1,3,3-tetraphenyl-3-methyl-1-butene precipitated from the mixture. What is the percent yield of the crystalline..
What absorbance would be obtained for a solution that has an absorptivity of 4700 L/mol*cm for a 1.5x10^-4 solution in a 1.0 cm cell? What would the percent transmittance (100*I/Io) be
A sample of sulfur weighing 0.210g was dissolved in 17.8g carbon disulfide. (Kb= 2.340C/m ) If the boiling point elevation was 0.1070C, what is the formula of a sulfur molecule in this environment
To extract Al from glass, 200 mL of EDTA were mixed with .50g of glass particles and allowed to equilibrate over time. The Al concentration of the solution was found to be 5.25 mcM. If the glass contained .40 wt% Al, what percent of Al was extract..
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0M AgNO3 solution and a strip of Cadmium metal in a 1.0M Cd(NO)3 solutio. the circuit is completed by a wire and a salt bridge in the usual way.
We are asked to construct an energy level diagram (molecular orbital) for the molecule SO. We are then asked to comment on the ionic species of SO - bond order, bond distance etc. So far so good.
For a substance such as carbon dioxide or water, calculate and graph the phase boundaries in the solid vapor, solid liquid, and liquid vapor regions
calculate the molarity and mole fraction of acetone in a 1.06 m solution of acetone ch3coch3 in ethanol c2h5oh. density
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