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Calculate:
(a) pH and
(b) concentrations of all species present (Na+,C6H5CO2-, C6H5CO2H, OH- and H3O+) in 0.048 sodium benzoate. Ka for benzoic acid is 6.5 x 10^-5
what is a sentence for polyatomic ion covalent bond molecule molecular compound metallic bond alloy thermal energy and
An old tablet of vitamin C weighed 1.022 g. it was dissolved in 500 ml water and a 25 ml aliquot of this solution required 22.6 ml of 0.005 M I2 solution to oxidize it. calculate the mg vitamin C in the tablet
If we too EXACTLY 1.00mL of a 1.000 M solution of Cu(NO3)2 and placed it in 99.000 Ml of water and mixed it, then took 2.00 mL of this solution and plced it in 18.000 mL of water, A) what is the concentration (in mole/L or M) of Cu2+ and NO3 in th..
at standard temperature and pressure 0 c and 1.00atm 1.00mol of an ideal gas occupies a volume of 22.4l. what volume
Calculate the pressure difference between CH4 and an ideal gas under these conditions. The van der Waals constants for CH 4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Wpump = 1500 kJ/h = 0.42 kW Qboil = 2.59 x 106 kJ/h = 718.7 kW Wturb = -227,300 kJ/h = -63.1 kW Qcond = -2.36 x 106 kJ/h = -656 kW What is the efficiency of the engine? How should we define it?
In the ms of any molecule containing the trityl group there is a recurrent intense peak with M/z = 243. What is the structure of this his fragment and why does it occur
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.10 [CH3NH2]/[CH3NH3CL] = ? I know that the answer is 0.34 but is not wright to write it in this way in mastering chemistry and they are errors in the submission
Draw every stereoisomer for 1-bromo-2-chloro-1,2-difluorocyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other
1. H2O2(aq) acting as an oxidizing agent in acidic solution. Write the balanced half reaction?
metallic aluminum reacts with mno2 at elevated temps to form manganese metal and alunimun oxide. a mixture of the two
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