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Suppose the United States has an absolute advantage in the production of 2 goods compared to another country. Could both countries still benefit from trade in those 2 goods? Answer must be t sentences with references provided.
suppose you had a detection device that could count every decay from a radioactive sample of plutonium-239 t12 is 24000
If a molecule having an ionization energy of 11.49 eV produces a photoelectron having a kinetic energy of 6.408E-19 J, what is the wavelength of the incident radiation
Calculate the gibbs energy , entropy and enthalphy of mixixng when 1 mol of C6H14 is mixed with 1 mol of C7H16. at 298K. assuming to be ideal.
a 500 ml gas sample is collected over water at a pressure of 740 mmhg and 25 celsius. what is the volume of the dry gas
Phenol is a common organic compound that may be used as a disinfectant. Its pKa in water is 10.0 while in methanol its pKa = 14.4. Is it a stronger acid in water or methanol? Explain the difference in the pKa for phenol in the different solvents.
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
Problem- The percent yield of phenylosazone is less than 100%. What errors could have gone wrong in the experiment to cause this
The molar heat capacity of silver is 25.35 J/mol?C. How much energy would it take to raise the temperature of 9.30g of silver by 14.2?C.
The combustion of propane illustrated by the following reaction releases 2428 KJ per mole of reaction. A sample of propane is burned at 59 degrees celsius and 746 mm Hg. The process produces 39.7 L of CO2(g). How much heat was released?
Use the activity series to determine which of the following ions will be reduced when an aluminum strip is placed in an aqueous solution of that ion: a)Fe^2+(aq) b)Au^3+(aq) c)Zn^2+(aq) d)H^+(aq) e)Pb^2+(aq)
The acid-dissociation constant for an acid-base indicator HIn is 0.0000438. At 600 nm, the molar absorptivities are 2230 for HIn and 8900 for In-. Calculate the absorbance at 600 nm of a 1.00 x 10-4 M solution of the indicator at pH 4.81 in a 1.00..
Consider the same dilution above for an SN1 reaction. Would the time required for 95% for the starting material to react change as a result of this dilution?
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