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!
.80g of hydrogen chloride () is dissolved in water to make 4.5L of solution. What is the pH of the resulting hydrochloric acid solution
If a bottle of nail polish remover contains 172 of acetone,how much heat would be released by its complete combustion? The density of acetone is 0.788 .
If the molar enthalpy of combustion of ethane is -1.56 MJ/mol, how much heat is produced in the burning of;
Chloromethane,CH3Cl, arises from the oceans and from microbial fermentation and is found throughout the environment. It is used in the manufacture of various chemicals and has been used as a topical anesthetic.
An aqueous solution containing 4.95 g of an optically pure compound was diluted to 300 ml with water and placed in a polarimeter tube 20 cm long. The measured rotation was -3.01 degrees at 25 degrees Celsius. Calculate the specific rotation of the..
Solution A is 2.00 L of a 2.00 M aqueous solution of copper(II) nitrate. Solution B is 2.00 L of a 3.00 M aqueous solution of potassium hydroxide. React the two solutions. Determine the concentrations of all ions left in solution (from part a) and..
30.0 mL of 0.500 M KOH are needed to neutralize 10.0 mL of HCl of unknown concentration.HCl + KOH ? KCl +H2O Show your work.
A certain instrument has a has a standard deviation of 1.7280%. How many replicate measurements are necessary if the standard error mean is to be 0.0210%
We wish to prepare a buffer of pH 10 using common laboratory reagents. How many mL of 6M HCl would we have to add to a solution prepared by adding 100 mL of 15M NH3 to 200 mL of water?
Zinc metal reacts with hydrochloric acid according to the following equation: Zn + 2HCl --> ZnCl2 + H2. How many grams of hydrogen gas can be obtained if 50.0 g of zinc react completely?
To extract Al from glass, 200 mL of EDTA were mixed with .50g of glass particles and allowed to equilibrate over time. The Al concentration of the solution was found to be 5.25 mcM. If the glass contained .40 wt% Al, what percent of Al was extract..
The tank is first evacuated, and then it is connected to a 50.0 L cylinder of compressed nitrogen gas. The gas pressure in the cylinder, originally at 21.5 atm, falls to 1.55 atm without a change in temperature. What is the volume of the tank?
Which statement is true concerning the reaction... N(g) + N(g) = N2(g) + energy?
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