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!
Presume a student started with 2.15 g of isopentyl alcohol and 3.67 g of glacial acetic acid, also after the reaction and workup, ended up with 1.86 g of isopentyl acetate. Compute his theoretical and percent yields.
How much energy is released during the complete combustion of 470 grams of cyclobutane
consider the composition of dry air in 0 humidity is just about 21 o2 78 n2 and 1 argon by moles. compute the density
A sample of neon gas used in a neon sign occupies a volume of 1.70 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 781 torr.
A 16 ounce specialty coffee drink contains 200 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution? What is the percent ionization
Draw the expected d-orbital splitting for the d-orbitals in a trigonal planar complex ion. Assume the z-axis is perpendicular to the plane of the complex. In a couple of sentences, explain the logic behind your splitting diagram.
Dimethylamine, (CH3)2NH, is a weak base ( Kb = 5.4 x 10?4). What is the pH of a 0.50 M solution and what is the percent dissociation
Consider a solution that is 0.10 M in a weak triprotic acid that is represented by the general formula H3A with the following ionization constants. What is the concentration of HA2-? For H3A Ka1=1.0E-3 Ka2= 1.0E-8 Ka3= 1.0E-12
A buffer is composed of 0.400 mol H2PO4^- and 0.400 mol HPO4^2- diluted with water to a volume of 1.00 L. The pH of the buffer is 7.210. How many moles of HCl must be added to decrease the pH to 6.210?
A solution is made that is 1.5*10^-3 M in Zn(NO3)2 and 0.130 M in NH3. After the solution reaches equilibrium, what concentration of Zn^2+(aq) remains
Use the Causius Claperyon Equation to calculte the standard enthalpy of vaporization of ethnaol that its vapor pressure is 44.22 torr at 293 K and 350.8 torr at 333 K.
What are the values of Ka and pKa for lactic acid? b. Calculate the pH of a .10M HCN solution, which has a Ka = 1.4x10^-9 at 25C. Assume that the dissociation of HCN is negligible compared to its initial concentration.
Calculate the osmotic pressure for the solutions in prob # 14 and 20 when each is at 10.500C? (dEtOH= 0.789g/ml, dMeOH= 0.712g/ml)
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