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Utilize the thermodynamic data in Appendix B to compute the standard cell potential as well as the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell2CH3OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(l)
you need 4.5l of nitric acid solution with ph 6. you have unlimited amounts of nitric acid solution with a hydronuim
This would set STP conditions to be 1 bar and 273 K. Explain what would be the value of the "new" molar volume of an ideal gas under the "new" STP conditions
What type of intermediate is formed upon treatment of 1-chloro-2,4-dinitrobenzene with sodium hydroxide at room temperature to give 2,4-dinitrophenol
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
During the coupling reaction with 2-napthol, why does the coupling (electrophilic substitution) occur only in the 1-position? Write resonance structures for 2-napthol in basic solution to justify elecrophilic attack at the 1-position
write the expression for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.
an iron piston in a compressor has a mass of 3.62 kg. if the specific heat of iron is 0.449 jgdegc how much heat is
What is the pH of the solution obtained when 135 mL of 0.618 M NaOH is diluted to 16.0 L with water?
From the time the mass of the flask is first measured until the time it is finally measured, it is handled a number of times with oily fingers. Does this lack of proper technique result in the molar mass of the vapor in the flask being reported as..
when a 50.0-g nugget of pure gold is heated from 35.0 C to 50.o C, it absorbed 5200.0J of energy. find the specific heat of gold.
The reaction described in Part A required 3.50L of calcium chloride. What is the concentration of this calcium chloride solution
There are many types of energy: electrical, kinetic, gravitational potential, chemical, elastic, heat, etc. Choose an object or system in which energy is transformed from one form to another. Describe the energy transformations in this object or s..
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