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!
Given that the acidity constant for benzoic acid (HOBz) is Ka=6.5x10-5, calculate the basicity constant, Kb, of the benzoate ion (OBz-).
calculate the ph of the final solutiona solution is made by dissolving 25.6 g of naoh in approximately 450 ml of
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
Please explain the following technical terms used in mass spectrometry: a) Molecular ion,
1.013-g sample of ZnSO4•xH2O is dissolved in an aqueous solution of BaCl2. The pure BaSO4 precipitate is filtered out of solution, dried, and its mass is determined to be 0.8223 g. What is the value of x in ZnSO4•xH2O?
write contributing important resonance structures for each of the followingcompounds and predict their relative co
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
One of the reasons that back titration is preferred to direct titration is because of the limited solubility of carbonates in water. Why does this make direct titration difficult and why does back titration tend ot circumvent this difficulty
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
a 45-g piece of ice at 0 degrees C is added to a sample of water at 9 degrees C. All of the ice melts and the temperature of the water decreases to 0 degrees C. How many gram sof water were in the sample?
How many moles of carbon monoxide are needed to produce 48.0 L of hydrogen gas according to the following reaction at 0 C and 1 atm carbon monoxide (g) + water (l) ------carbon dioxide (g) + hydrogen (g)
A spherical ball of lead has a diameter of 4.0cm . What is the mass of the sphere if lead has a density of 11.34g/cm^3? (The volume of a sphere is (4\3) pi r^3 where r is the radius.)
Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).
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