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1) Given A + B <--> C ΔH= 5.5 kJ/mol. If the rxn mixture is warmed, which way will the rxn shift?
2) Consider the rxn: B <--> 2C At equilibrium, [B]= 0.00360 M and [C]= 0.00175 M What is Keq ?
3) For the above rxn, if 0.0001 M of B and 0.0001 M of C were added at the same time, which way would the rxn shift, or would it remain unchanged?
2Al + 6HBr = 2AlBr3 + 3H2 If .427 g of Al reacts calculate the amount of hydrogen produced
Carboxylic acids and phenols can be separated by chemically active extraction if the pH of the aqueous layer is properly chosen. Phenols are sufficiently acidic to be extracted into aqueous sodium hydroxide
An electrochemical cell is constructed in which one half-cell contains AgN03 solution in contact with an Ag strip, and the other half-cell contains magnesium nitrate solution, Mg(N03h, in contact with a Mg strip.
compute the density in gcm3 of piece metal that has a mass of 0.400kg and a volume of 73cm3. how to work this problem
35.0 grams of an unknown sugar was dissolved in water and the final volume of the solution was brought up to 1.00 L. The osmotic pressure of this solution was determined to be 2.50 atm at 25°C. Which of the sugars below was most likely the unknown..
Calculate the number of grams of C3H6N6O6 detonated of the resulting explosion produces 247.4 g of carbon monoxide gas
The solubility of a gas is 0.34 g/L at STP. What is its solubility at a pressure of 0.80 atm and the same temperature?
Bill's recipe for onion soup calls for 4.0 lb of thinly slicedonions. If an onion has an average massof 115 g, how many onions does Bill need
You have 100 moles of solvent (not water). You have determined that 100g of dissolved sucrose incrases its boiling point temperature by 10C. For 100 moles of the pure solvent, how much mass (in grams) of salt
A patient has 48 ml. of blood drawn and this volume of blood has a mass of 39.5 g. what is the specific gravity of the blood?
Classify each of the following as a Lewis acid or a Lewis base. Drag the appropriate items to their respective bins. H-, I-, Fe3+, NO2, SnCl4, CH3OH, (CH3)3N
Determine the excess reactant that is left over after complete reaction with all the limiting reactant.The (s) (g) (s) are subscripts and so are the 2, 2, and 3 that I have in bold
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