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!
1. Classify the following solutions as acidic, basic, or neutral: (a) pH = 7; (b) [H+] = 1⋅10-3 mol/L.
2. Write down the equation of hydrolysis process of KNO2 salt in water in molecular and ionic forms. Classify given solution as neutral, acidic or alkaline?
If the initial concentration of NO2 is 8.90×10?2M , how would you determine how long it would take for the concentration to decrease to 2.60×10?2M? (Seconds)
Assuming that the specific heat of the solution is 4.18 J/(g*C) and that the calorimeter itself absorbs a negligible amount of heat, calculate delta H in kilojoules for the reaction
What is the osmotic pressure of a solution made from dissolving 60.0 of glucose, , in 550 of water at 45.0
A student obtained the following data from this experiment. Calculate the molar mass of this unkown liquid.
If 27mL of 6.0 M sulfuric acid was spilled, what is the minimum mass of sodium bicarbonate that must be added to the spill to neutralize the acid?
While a 5.00-g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of 2.403 kJ•K-1, the temperature decreases by 0.480 K. Compute the molar heat of solution of KCl.
A perfect gas has a constant volume molar heat capacity of CV,m = 1.5× R, and a constant pressure molar heat capacity of Cp,m = 2.5× R. For the process of heating 4.50 mol of this gas with a 12 W heater for 400 seconds, calculate
The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
Need to calculate the heat formation of products, but have heat of formation for NaCl of concentration 1mol/L.
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
what is the molarity of a sulfuric acid solution if 40.2 ml of this solution is required to titrate 6.50 grams of
the tip of a vinegar buret but disappears during the course of the titration, how would this affect your calculation of the concentration of acetic acid
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