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Calculate the pH at the equivalence point for the following titration: 0.10 M HCOOH versus 0.10 M NaOH.
140 mL of a .175 M aqueous solution of NH3 is titrated with a .106 M solution of HCl. (NH4+ Ka=5.56x10^-10)
degree C is mixed with 35.2 g/mL of water (density = 1.0 g/mL) initially at 24.4 degree C in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?
2NH4NO3(s) delta--->2N2(g)+4H2O(g)+O2(g): a) How many liters of water vapor are produced when 25.8 g of NH4NO3 decomposes? b) How many grams of NH4NO3 are needed to produce 10.0 L of oxygen
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 87.0 mL of 0.0601 M NaOH and 71.0 mL of 0.0138 M Ba(OH)2
Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide
in a reaction mechanism the atom that gives away electron in a nutral nucleophile will end up as an, Cation or Radical or Anion?
Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions. Why would the formation of free fatty acids inhibit the cleaning ability of the soap
Calculate the weight percent composition of the mixture, using the same assumptions as in part A.
Give a stepwise mechanism showing the base-induced formation of diphenylacetylene from meso-stilbene dibromide. Use curved arrows to symbolize the flow of electrons.
Draw the following compound. Be sure to specify the stereochemistry via wedge-and-dash bonds.
A boy receives 10mg of medicine for every kg he weighs. How much medicine should he receive if he weighs 48 pounds and the conversion factor for pounds to kilograms is 1 pound = 0.4536kg.
Choose the correct answer of the following, explain why it is true, and explain why the other choices are untrue: (A) high pE is associated with species such as CH4, NH4+, and Fe2+
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