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1.0 M acid and two pt electrodes connected to a voltmeter. You then add 10.00 ml of 1.00 M Fe^+2 solution to the beaker. The temperature of the solution is maintained at 25 C.(R= 8.314 coulomb V/(mol K), F= 9.64853 x 10^4 coulomb/mol)
A) Write the standard half-cell reduction reaction equation for reactive species in the beaker.
B) Determine the cell potential(Ecell) at the moment of mixing.
C) Determine the equilibrium constant(Keq) for the reaction system.
D) if enough of the 1.00 M Fe^+2 solution is added to reach the equivalence point, determine the new cell potential.
E) Determine the cell potential(Ecell) if 20.0 ml of 1.00 M Fe^+2 solution is added to the solution.
Using the quantities 3 grams of salicylic acid and 6ml of acetic anhydride noted in the macro scale procedure and any other necessary data, calculate the theoretical yield in moles and grams of aspirin.
Calculate the standard free energy change per mole assocatiated with the formation of solid SrSO4. Use the solubility product. Remember G(standard) equals -RTln(K) when all surface effects are neglected.
The molar heat capacity of ethane is represented in the temperature range 298 k to 400 k by the empirical expression C(p,m)/(J K-1 Mol-1) = 14.73 + 0.1272 (T/K). Calculate the standard enthalpy of formation of ethane at 350 K from its value at 298..
A sample of h20 with a mass of 46.0 grams has a temperature of -58 degrees celcius. how many joules of energy are necessary to heat the steam from 100 degrees celsius to 114 degrees celcius.
Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g) + 3H2(g) --> 2NH3(g) Assume 0.170 mol of N2 and 0.543 mol of H2 are present Initially
The most common error students make during a titration is that they add extra NaOH past the endpoint causing the solution to change a dark pink color.
a system conducts 192 cal of heat to the surroundings while delivering 322 cal of work. what is the change in internal energy of the system (in cal)?
Find the molar reaction enthalpy by diving by the number of moles H+ and OH- that reacted (assume that the solution which is actually 1M NaOH, has the same density and heat capacity as water)
Where on the modern periodic table would you probably find an element that is a dense gas at room temperature? EXPLAIN 3) What should be the most metallic element?
The vapor pressure at 300 K is 856 torr. If 12.0 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? How much?
How much heat is evolved when 265 g of ammonia gas condenses to a liquid at its boiling point
what particle or type of radiation needs to be included to balance the equation? 234Th ? ? + beta particle? Please explain why you chose your particular answer
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