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- 1) A buffer solution contains 0.420 M NaHSO3 and 0.378 M Na2SO3.
If 0.0235 moles of potassium hydroxide are added to 150 ml of this buffer, what is the pH of the resulting solution?
(Assume that the volume change does not change upon adding potassium hydroxide)
pH =
Calculate the heat released when 206 g of ice cooled from 0 degrees C to -10 degrees C. (The specific heat of ice is 2.09 J/g. C)
A 10-L drum of ether at 18C is open to the atmosphere (p=760 Torr) and contains 6-L of liquid. The top is sealed and the drum dented so that it now has an 8-L capacity.If the vapor pressure of the ether at 18C is 400 Torr, What is the pressure ins..
What volume (in liters) of 1.04 M KOH solution should be added to a 0.090 L solution containing 9.3 g of glutamic acid hydrochloride (Glu, FW=183.59; pKa1=2.23, pKa2 =4.42, pKa3=9.95) to get to pH 9.90?
Explain the atmospheric pressure in Mexico City is about 580torr. Briefly define the difference between this and the standard atmospheric pressure at the sea level.
0.020 mole of Ca(OH)2 is added into 400 mL of buffer solution with 0.40 M of NH3 and 0.60 M of NH4Cl. Calculate the pH of the solution. Kb=1.8*10^-5.
describe each reaction and provide the name of all the chemical formula involved for each number.1.na2co3s sio2s -gt
The black silver sulfide discoloration of silverware can easily be removed by heating the silver article in a sodium carbonate solution in an aluminum pan.
Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixture
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
The unbalanced equation for the reaction is... BrO3^-(aq) + Sb^3+ (aq) ---> Br^-(aq) + Sb^5+ (aq) Calculate the amount of antimony in the sample and it percentage in ore.
nitrous oxide n2o decomposes at 600degc according to the balanced equation2n2og rarr 2n2g o2ga reaction mechanism
A 50.0 mL sample containing Ni+2 was treated with 25.0 mL of .050 M EDTA to complex all of the Ni+2 and leave some excess EDTA in solution. the excess EDTA was then titrated with .050 M Zn+2, requiring 5.00 mL to reach equivalence point
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