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In a voltaic cell containing two compartments one with a strip of iron Fe and with an Fe3+ solution as well as one with a strip of Aluminum, Al3+ in contact with an Al3 solution, the
E°cell is...
A. +1.626 V
B. -1.626 V
C. -1.699 V
D. +1.699 V+
One metric ton (1000 kg) of coal is required to produce 7.3 MW-hr of electrical energy. In 1993, the Thomas Hill power plant (a small, coal-fired plant supplying rural electric cooperatives) produced 7100000.0 MW-hr.
What is the volume of the gas in mL at each of the following pressures, if there is no change in temperature and amount of gas? 1) 0.40 atm 2) 2.00 atm 3) 2500 mm Hg
Use Equation and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant, S, calculate the effective nuclear charge for the potassium ion and the chloride ion
Consider the reaction 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
The following reaction has an equilibrium constant of Kp = 3.5*10^4 at 1495 K: Br2(g) + H2(g) 2HBr(g). What is Kc for this reaction?
write the balanced equation for the combustion of isooctane (C8H18) to produce carbon dioxide and water. Use the smallest possible integers to balance the equation.
When the following equation is balanced using the smallest possible integers, what is the exponent of H2O in the reaction quotient expression
A beaker containing 250 mL of a 0.500 M solution of acetic acid (CH3COOH) is added to 125 mL of a 0.850 M solution of sodium carbonate. The reaction that ensues produces carbon dioxide, sodium acetate (CH3COONa), and water. How many grams of carbo..
at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia
Whats the cell potential when the Cu2+ conc. has fallen to .220M. What are the conc. of Pb2+ and Cu2+ when the cell potential falls to .350V
Pure alpha-D-glucose has a specific rotation=+112.2 degrees and pure beta-D-glucose has a specific rotation=+18.7 degrees. What is the composition of a sample of a mixed alpha and beta-D-glucose that has a specific rotation=+83.0 degrees?
compute the molar mass of vitamin c if a solution of 22.7 g in 100. g of water freezes at -2.40 oc. the kf of water is
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