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Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the strong base Ba(OH)2 (aq) and the weak acid H2S (aq)?
Which of the metals in the cymbal alloys might be able to be quantitatively measured using UV-vis spectrophotometry. Select one or more
60.0 mL of a 0.450 M HNO_3 solution is titrated with 0.570 M KOH. Calculate the volume of KOH required to reach the equivalence point.
Which of the following statements best explains why phospholipids differ from triacylglycerols (TAGS) a. Phosphorus replaces the oxygen atoms in the ester linkage.
Explain how society depends on the accuracy and precision of measurements for products sold by the retail industry, such as a gallon of gasoline, a bushel of corn, or a liter of bottled water. Compare and contrast the accuracy and precision of at l..
A reaction which is second order in reactant B has a rate constant of 1.1*10^-3 L/mole*sec. How long would it take it for the concentration of B to be reduced to 65% of its original value
The mixture was analyzed spectrophotometrically and found to be 1.84*10^-3 M in I3-. Calculate the molarity of I3- in the original sample
refer to the given equation as 4NH3(g) + 7O2(g) = 4NO2(g) + 6H2O(g) How many moles of ammonia will be required to produce 13.8 mol of water.
how many ml of 0.10 molar hcl would have to be added to 100ml of a saturated soln of pbcl2 in contact with 50.0 grams
Calculate the concentrations of all species in a 1.10 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
Draw the structure(s) of the carboxylic esters with the molecular formula C5H10O2 that contain a branched four-carbon chain.
write the balanced net ionic equation for the reaction that occurs when 0.1 m solutions of copperii sulfate and calcium
The rate constant for a first order reaction is 1.8 x 10 to the neg 2 s-1at 742 k and 4.5 x 10 to the neg 2 s-1 at 902 k. what is the activation energy step by step
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