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Choose all of the processes from below which describe changes which are independent of the path by which the change occurs.
a) the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
b) the number of rotations the earth undergoes over a specified period of time
c) the energy evolved when a cube of sugar is oxidized to CO2(g) and H2O(g)
d) the energy released by the combustion of a gallon of gasoline
e) the odometer mileage increase observed by a traveller travelling from Louisiana to Canada
f) the change in the score of a football game as the game progresses
g) the potential energy gained by a satellite as it is shot into a specific orbit
Explain in detail including all resonance arguments why electron withdrawing groups are found to be meta directors,
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.110 M HClO(aq) with 0.110 M KOH(aq). The ionization constant for HClO is 4.0*10-8.
Determine the mole fraction of sodium chloride(NaCl) in the solution if this solution is formed by mixing 17.0 grams of sodium chloride NaCl in 85.0 grams of Water?
What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
In the acid-catalyzed dehydration of cyclohexanol, the mechanism requires only catalytic acid, but in the experiment we used large excess.
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
What mass of rm KCl is needed to precipitate the silver ions from 15.0 mL of 0.190 M rm AgNO_3 solution?
Consider the reaction below. N2(g) + O2(g) ? 2 NO(g) Part A: How many moles of NO are obtained when 0.032 mol of N2 is completely reacted?
Hydrogen fluoride behaves as a weak acid in solution. Two equilibria influence which fluorine containing species are present in solution.
Calculate the enthalpy change in kilojoules when some KOH is added to 47.727 g of water and the temperature increases
A beaker with 115 of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 . A student adds 9.00 of a 0.430 solution to the beaker. How much will the pH change? The ..
addition of excess NH3 to this acidic solution produces only a blue solution. Which group III ions are present, which are absent and which are in doubt? How would you remove all doubt?
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