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Consider 30.00 ml of a 0.1200M solution of H2SO4
a. What is the ph of the above solution
b. What is the ph of the above solution following the addition of 18.00 ml 0.1500 M NaOH?
If the alkalinity of the spring water is due only to the presence of carbonate and bicrabonate, what are the concentrations of each of them
Why is a melting point of an impure compound depressed and its range is increased when you compare it to the pure compound
Calculate H for the reaction of one mole of PbS with Oxygen and carbon, forming lead, sulfur dioxide and carbon monoxide.
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
write the condensed electron configurations for the cr3 atom. express your answer in condensed form in order of
The solubility of Ag2CrO4 (331.74 g/mol) is 0.0435 g/L at 25C. What is Ksp for silver chromate?
a weather ballon filled with helium has a volume of 1.0*10^-4L at 1.00 atm and 30.0C. it ascends to an altitude at which the pressure is only 0.60 atm and the temperature is -20.0C. what is the volume of the ballon at the higher altituda.
Mercury-205 has how many protons, neutrons, electrons, and electrons in the 1st quantum shell and in the compound BCl3 which is the more electronegative element?
Detailed calculations show that the value of Z eff for the outermost electrons in Na and K atoms is 2.51+ and 3.49+ , respectively. What value do you estimate for Zeff experienced by the outermost electron in both Na and K by assuming core electro..
If a reaction takes 8 hours to complete at 15 C, which of the following is most likely true if the same reaction is carried out at 45 C A. the reaction will be faster B. the reaction will be slower C. the reaction will take the same amount of time..
2NaN3(s)--> 2Na(s) + 3N2(g) How many grams of sodium azide are required to produce 19.00L of N2 at 273K and 775mmHg. A) 34.9 B) 52.0 C) 2.66*10^4 D) 3.89*10^5 E) 5.80*10^5
Determine the pH of a 0.227 M C5H5N solution at 25°C. The Kb of C5H5N is 1.7 x 10-9.
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