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!
You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400 counts. has diminished to 100. counts after 35.2 minutes , what is the half-life of this substance
using henderson hasselbalch calculate the ph of .5 L of 2.0M solution of nitrous acid, HNO2 that also contains 140g of nano2 (MM=70g/mol)
From the mean bond enthalpy data given below, estimate the enthalpy change for the complete combustion of one mole of butene at 298 K. (The molar enthalpy of vaporization of water is 45.0 kJ mol-1 at 298K)
In which of the following complexes are geometric isomers possible, [Co(H2O)4Cl2]+, [Co(NH3)3F3], [Pt(NH3)Br3]-, [Co(en)2(NH3)Cl]2+, if isomers are possible draw their structures and label them as cis or trans
what mass of barium is produced when molten BaCl2 is electrolyzed by a current of 3.30 105 A for 7.00 hours?
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C.
At this point in the titration the system reches equilibrium and therefore Qsp for silver chromate is equal to Ksp of silver chromate and Qsp for silver chloride is equal to Ksp for AgCl. 1. Cal the equilibrium concentration for the chromate ion [C..
You are fortunate to land a research position with Dr. Xavier Wray. Your first day in the lab the good doctor asks you to make a liter of 0.1 M citrate buffer pH 3.5 that you will need for the big extract procedure he will show you how to do after..
the slopes corresponding to standard Beer's Law plots were as follows: ?IA = 0.072 ?IB = 0.306 ?IIA = 0.760 ?IIB = 0.036 Using this data, calculate the ratio between the relative concentrations of MR- and HMR in this solution.
A 1.07g sample of a noble gas occupies a volume of 363mL at 35C and 678mmHg. Indentifythe noble gas in this sample
Why would it be more appropriate to put the elements La and Ac in the bottom two periods and put Lu and Lr in the transition metals? Why don't we see the use of any sublevels higher than the f sublevel?
During ther processing of black-and-white film, excess silver (I) halides are removed by wadhing the film in a bath containing sodium thiosulfate. This treatment is based on the followig complexation reaction:
The Gibbs free energy of formation of solid iron (III) oxide is the Gibbs free energy change for the reaction
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