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!
Write the chemical equation for the dissociation of the salt into its ions. Write the expression for Ka or Kb and give the value of Ka or Kb 1. 1.0M NaC2H3O2 pH=7.45 2. 1.0M NaHCO3 pH=8.60 3. 1.0M Na2CO3 pH=11.62 4. 1.0m NH4Cl pH=3.98
complete the following chart of gas properties. For each positive observation, write a balanced chemical equation to describe the process.
What is the molarity of a solution made with 2.4g if LiOH (molar mass = 23.9g/mol) dissolved to make 1.5L of solution? I want to know how to set up the formula for this problem
what will be the temperature of the system when equilibrium is established? (sp Heat of H2O(s) = 2.09j/g . c (sp heat of H2O (l) = 4.18 J/g.c) Heat of Fus. of H2O(s)=333j/g
A zero-order reaction has a constant rate of 2.90×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 9.00×10-2 M, what was the initial concentration.
Calculate the pH for the titration of 20mL of .75M formic acid (HCOOH) Ka(HCOOH) = 1.8e-4, with .2M KOH. a) Before any acid is added
Calculate E cell for the following balanced redox reaction O2(g)+2H2O(l)+4Ag(s)=4OH^-(aq)+4Ag^+(aq)
a solid with an irregular shape and a mass of 11.33 g is added to a graduated cylinder filled with water
calculate the micrograms (to the nearest microgram) of iodine per serving in the finished product. Show your work.
when 15.12 ml of 0.1194 M NaOH is added to 25 ml of 0.1264 M HX(an unnknown weak acid),the resulting pH is 5.9 . what is the ka of the unknown acid
For each of these three possible indicators, give an example of an analyte and a titrant which best suits its use. changes color when the solution is slightly acidic (methyl red-HCl and ammonia?)
You have two gas tanks, one is 7.00 L and the other is 3.50L, and one of the tanks has oxygen in it and the other has acetylene. If the tank wth the oxygen has a pressure of 145 atm, what is the pressure of the other tank?
The rate equation for the decomposition of n2o5 (giving NO2 and O2) is rate=k[N2O5]. For the reaction at a particular temperature, the value of k is 5.0x10^-4 s^-1.
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