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!
Problem- The pKb values for bibasic base B are pKb1= 2.10 and pkB2= 7.39, calculate the pH at the flowing points in titration of 50.0mL of a .55M B with .55M HCl.
a) Before any addition of HCl
b) After adding 25mL HCl
c) After adding 50mL HCl
d) After adding 75mL HCl
e) After adding 100mL HCl
How do I yet start setting this up? Thank you
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
if the height of the mercury column in the leveling bulb is 30 mm greater than that in the gas buret and atmospheric
Complete and balance the following redox equation using the smallest whole-number coefficients. Show the steps. Sn (s) + HNO3 ? SnO2 (s) + NO2 + H2O (not balanced, assume acidic solution)
Calculate the density of a solution of benzene and toluene mixed at 1:1 weight ratio at 20 degree C and 1 atm, given that ?(benzene) = 0.8790 g/cm^3 and ?(toluene) = 0.8668 g/cm^3 at 20 degree C and 1 atm.
When 1.00 g of urea (CO(NH2)2) is dissolved in 200g of solvent A, the freezing point is lowered by 0.250C. When 1.50 g of the nonelectrolyte Y is dissolved in 125 g of the same solvent
considering the given equation cah2s 2h2ol caoh2aq 2h2g determine how many grams of cah2 are required to generate 145
The back-titration of the excess HCl required 7.38 mL of 1.035M NaOH solution. (a). Calculate the molar concentration of the HCl solution that the student used
A solution of a specific vitamin has ?max = 273 nm and a concentration of 6.51 × 10-7 M. The absorbance of the solution at 273 nm is A = 0.180. What is the molar absorptivity of the vitamin at 273 nm? (sample pathlength = 1.00 cm)
diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 25 C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
1.2 kg of liquid water initially at 15 degrees clecius is to be heated to 95 degrees celcius in a teapot equipped with
Nitrous oxide gas is used by some denatl practitioners as a anesthetic. Nitrous oxide can be produced in small quantities in the laboratory by cardful heating of ammonium nitrate. Write the unbalanced chemical equation for the reaction.
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