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Express the rate of reaction in terms of the change in concentration of each of the reactants as well as products D(g)--->3/2E(g)+5/2F(g) as well as when [E] is increasing at 0.25mol/L*s how fast is [F] increasing?
how many grams of cu metal 63.55 gmol will be plated out of a cuno32 solution by passing a current of 3.00 amperes for
Dissolved carbon dioxide from the atmosphere will influence the determination of the equivalence point. Would you expect dissolved CO2 to cause the volume of NaOH necessary to reach the equivalence point to increase or decrease. Explain.
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added.
The vapor pressures of pure benzene and pure toluene at 25 C are 94.2 torr and 28.4 torr, respectively. Assuming ideal behavior
Calculate the wavelength at which this vibration will be found in the anti-Stokes scattering from a nitrogen laser(337nm).
Butane is a component of natural gas that is utilized as fuel for cigarette lighters. Explain the balanced equation of the complete combustion of butane is 2C4H10+3O2 yields 8CO2+ 10H20
Consider the reaction: 2H2S(g)==2H2(G)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have = [H2S]=0.602 , [H2]= 3.24×10^?2M , and [S2] = 7.84×10^?3 M. What is the value of the equilibrium constant at this temp..
what is the composition of vapor of a pentane-hexane solution that has a vapor pressure of 373 torr at 25 degree
Write an expression for the quantity 506000 cm in which it is clear that all the zeros are significant.
What is the pH of the solution which results from mixing 25 mL of 0.30 M HF(aq) and 25 mL of 0.30 M NaOH(aq) at 25 ºC? (Ka of HF = .00072)
To identify a diatomic gas (X2), a researcher carried out the following experiement. She weighed an empty 4.2L bulb, then filled it with the gas at 1.30atm and 23.0C and weighted it again. The difference in mass was 6.3 g. Identify the gas
Calibration standards.Transfer 1.00, 5.00, 10.00, 15.00 and 20.00 mL aliquots of 10ppm F- solution to 100 mL flasks. Add 50 mL of TISAB containing CDTA to each
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