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Problem- What molarity of propanoic acid, C3H6O2 (Ka = 1.3 x 10-5), is required to produce an aqueous solution with pH = 2.40?
As much detail as probable is really appreciated
Key by key on calculator how would I solve for x in 0.2=(0.5)^(x/14.2)? -Original question that brought me to that point-"The half-reaction of 32P is 14.2 days
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 25*C:
the pressure is measured as 8.75 atm. Which of these three gases below could be in the container and why? 1) Ar, 2)Co2, 3)HCl
RbNO3 Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction
Two identical rubber bands, A and B, are each 10cm long when relaxed. They are looped together to yield a combined length of 20cm. This length is then stretched to 50 cm. If A is at 25 degrees celcius and B is at 100 degrees celcius, where, is rel..
You have two solutions of sodium chloride. One is a 2.00 M solution, the other is a 4.00 M solution. You have much more of the 4.00 M solution as well as you mix the solutions together. Which of the subsequent could be the concentration of the fin..
How much PV work is done, and what is the value of ΔE for the reaction of .50 mol of H2 with .25 mol of O2 at atmpospheric pressure if the volume change is -5.6L
Consider a solution containing 3.70 mM of an analyte, X, and 1.99 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3979 and 10035, respectively.
How much heat (in kj) is required to warm 13.0 C of ice, initially at -15.0 C, to steam at 113.0 C ? The heat capacity of ice is 2.09 J/gC and that of steam is 2.01 J/gC
Calculate the bubble point pressure at 30 degree celcius for a mixture that is 50/50 mole% ethanol and water given that P1(sat)=10.46 kPa and P2(sat)= 4.24kPa assuming that the margules equation
Define what is the Hrxn° for the reaction of an aqueous solution of lead(II) chloride with an aqueous sodium sulfate solution to make a precipitate of lead(II) sulfate Hrxn°= in kJ.
What is the wavelengths associated with an electron moving at 1.5x10^8 cm/s and a 60g tennis ball moving 1500 cm/s. Which particle has a longer wavelength
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