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While comparing cis-dichloroethene as well as trans-dichloroethene the cis has a dipole movement of 2.685 debye while the trans has 0 debye as I guess it should be non polar. Explain Why are the dipole moments as such.
Intravenous medications are oftend administered in 5.0% glucose by mass. what is the osmotic pressure of such solutions at 37 C? assume that the density of the soloution is 1.0 g/mL.
we add 10 ml of 0.1 m naoh to 100 ml of solution containing 0.1 m ch3co2h and 0.1 m ch3co2-. ka 1.8 x 10-5 using the
A mixture of gases contains 0.290 mol CH4, 0.250 mol C2H6, and 0.270 mol C3H8. The total pressure is 1.60 atm. Calculate the partial pressure of the gases.
sodium acetate solution with 0.250MHCl, what will be the pH at the equivalence point? The Ka for acetic acid is 1.8x 10^-5
A 111.2mL sample of 0.110 M methylamine CH3NH2, Kb = 3.7*10-4) is titrated with 0.255 M HNO3. Compute the pH after the addition of each of the subsequent volumes of acid.
What is the purpose of a transducer and give a common example of one of these devices
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
Calculate the maximum wavelength of light with sufficient energy to dissociate a diatomic chlorine molecule into chlorine radicals.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
would the percent of KClO3 (sample 1:64.287% , sample 2:71.68%) be too large or too small if the system was not permitted to cool before the pressures were equalized
One mole of an ideal gas expands reversibly and adiabatically from an initial temperature of 35.0 degrees C and a volume of 10.0 L to a final volume of 40.0 L. Calculate the final temperature, the final pressure, delta U and w. Assume Cp = 20.28 J..
weak acid in water with a Ka of 4.0x10^-4. Write the equilibrium constant expression for this acid. ( Ka)
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