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What is the pH during the titration of 25.00mL of 0.10M HAc(aq) using .10M NaOH(aq) as the titrant, after the addition of 10.0, 25.0, and 30.0ml of titrant.
In running column chromatography under the following conditions, you get results that are less than ideal. Consider the situation in each case and suggest a correction.
4.236-g sample of a hydrocarbon (CxHy) is combusted in O2 completely to give 3.810 g of H2O and 13.96 g of CO2. What is the empirical formula of the hydrocarbon?
A trisubstituted cyclohexane compound is given below in its chair conformation. Draw the corresponding planar (overhead) representation, using wedge-and-dash bonds to indicate the substituent positions
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4
Calculate the molality H3PO4 in the solution and Water is the solvent and the molarity of H3PO4 in the solution and the number of ml of the 85% H3PO4 that is required to make 800 ml of 2.00 M H3PO4?
Calculate the number of moles of Cl atoms in 1.20×1024 formula~units of magnesium chloride, MgCl_2
Determine how many pills does the female require to take each time she wants the dosage of 375miliigrams?
Write the expressions for Kc for the following reactions. a. 2O3(g) --> 3O2(g) b. Ti(s) + 2Cl2(g) --> TiCl4(l) c. 2C2H4(g) + 2H2(g) --> 2C2H6(g) + O2(g)
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
A brick consisting of pure metal measures 4.00 inches x 5.00 inches x 3.00 inches and weighs 7.020 kg. Using density, identify the metal in the brick.
In the reaction of noroborene to noroborenol, the exo, and endo forms are created. Why exactly is the exo form favored over the endo form
What is the activation energy for the uncatalyzed reverse reaction?
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