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Problem- Vinegar is 5.0 % solution by weight of acetic acid in water. Given that the pH for acetic acid is 2.41 the Ka= 1.8E-5 and assuming the density of vinegar to be 1.00g/cm^3. What is the percent dissociation of acetic acid in vinegar?
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The concentrations of NaCl and KI are at 0.100 M and 0.090 M, respectively, in the following electrochemical cell:You'll need to use the Nernst equation to solve this problem
which is the excess reactant in the given reaction na2s cuso4 na2so4 cusnbsp it is given that you start this reaction
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Calculate Delta G and Delta A for the vaporization of 1.00 mol H2O at 1.00 atm and 100 ?C. Consider the process reversible. The density of H2O(l) at 100 ?C and 1 atm is 0.958 g/cm3.
This is the Free Energy measured under standard conditions, while the reaction is started with 1.0 M of each of the three gases present. Compute the non-standard Free Energy change (G) at 298 K, given the following non-standard preliminary concent..
a star is estimated to have a mass of 1x1036 kg. assuming it to be a sphere of average radius 7.5x105 km calculate the
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Mesitylene is a compound consisting only of C and H. If you burn 0.115 g of the compound, and find that it produces 0.379 g of CO2 and 0.1035 g of H2O.
Suppose you have four different atoms. How many different ways do you think those four atoms can be combined
How much energy (in kilojoules) is released when 15.9g of steam at 129.5C is condensed to give liquid water at 68.5C? The heat of vaporization of liquid water is 40.67 KJ/mol , and the molar heat capacity is 75.3 J/(Kmol) for the liquid and 33.6 J..
The excess reagent required 4.30mL back-titration with .00812M Cu2+. Calculate the average weight of Cr on each square centimeter of surface.
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