Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
a)1.00* 10^-1 M K(C2H5CO2)
b) 1.00*10^-2 M K(C2H5CO2)
c) 1.00*10^-10 M K(C2H5CO2)
Examine the label of any vegetable oils, solid shortening, margarine, or butter you might have on hand. Identify the oil or fat and report the level of saturated, mono-unsaturated
at 90C the foll equilibrium is established, H2(g) + S(s)=H2S(g) K=6.8*10-2 If 0.2 mol of hydrogen and 1 mol of sulphur are heated to 90C in a 1L vessel.
A reaction is followed and found to have a rate constant of 3.36 x 10^4 M-1S-1 at 344 K and a rate constant of 7.69 M-1s-1 at 219K. Determine the activation energy for this reaction"
Calculate the standard free-energy change for the following reaction at 25 degrees C. 2Au^3+(aq) + 3 Cr(s) 2Au(s) + 3Cr^2+(aq)
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
NaCl(aq) + H2O(l) → NaOH(aq) + Cl2(g) + H2(g). If the brine contains 389 g of NaCl, how much Cl2 can be produced.
What is the standard change in Gibbs free energy of this reaction at 25 °C. Hint: The equilibrium constant is related to the change in Gibbs free energy
The dipole moment, meu, of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the H-Br bond in picometers.
A green leaf has surface area 2.20 cm^2. If solar radiation is 1190 W/(m^2) , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air?
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd