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Determine the total concentration (in mol/L) of Cl- ions in a solution formed from the reaction of 500mL of 1.0M barium hydroxide (Ba(OH)2 with 248mL of 1.96M hydrochloric acid (HCl).
Before developing the dead-weight gauge, he worked in a mine shaft, and used a mercury manometer for measurements of pressure to more than 400 bar. Estimate the height of the manometer required.
a) Calculate the potential of the two cells. b) Write the overall balanced redox equations for the reactions above. c) Calculate ?G for the conditions given for reactions above.
A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete.
One student measure the pH of the following three solution (weak base, conjugate acid and buffer). Using this data, please calculate the pKa and pKb (show calculation). a. pH = 8.7 for 0.010 M RNH2 (weak base)
Consider the titration of 25.0 mL of 0.0500 M HClO4 (perchloric acid, a strong acid) with 0.100 M KOH (a strong base). (a) Find the volume require o reach the equivalence point (complete the reaction). Find the pH after adding the following volume..
A woman has a metabolic acidosis resulting from an increased hepatic production of ketone bodies. for a patient with this disorder a screening test using the nitroprusside reaction can test for the putrescence of ketones in the blood. which of the..
If the heat of vaporization for Br2 is 29.6 kJ/mol and ΔS° for the vaporization is 88.9 J/mol⋅K, what is the boiling point for bromine?
To measure the volume of an irregularly shaped container filled with water, 1.00 ml of 2.00 M potassium chloride solution is added. After stirring, a 5.00 ml sample was found to contain 2.54x 10^-2 mg of potassium ion. What is the volume of the co..
How do you determine number of rings, double bonds, or triple bonds from degrees of unsaturation. For example a substance C8H8 has 5° degrees of unsaturation, so determine the number of rings and double bonds
A battery is constructed based on the oxidation of magnesium and the reduction of . The initial concentrations of and are 1.1×10-4 M and 1.6 M , respectively, in 1.0-liter half-cells
After workup and purification, a student obtains 1.1214 g of banana oil (isopentyl acetate). What is the percent yield for this reaction? Report your value to one decimal place (xx.x%)
The activation energy of a certain reaction is 46.7 kJ/mol. At 28 C, the rate constant is .0150 s^-1. At what temperature in degrees Celsius would this reaction go twice as fast
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