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Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Mn(s) | Mn2+(0.11) M || Cr3+(0.24 M), Cr2+(0.11 M) | Pt(s) (b) Mg(s) | Mg2+(0.070) M || [Al(OH)4]-(0.30 M), OH-(0.040 M) | Al(s)
What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
which equation best describes the average rate for the reaction shown. A (aq) + B 9aq) -----> C (aq) + D (aq) A. rate= [C] [D] / [A] [B] B. rate= - deltat/-deltaB C. rate= -delta[C]/delta t D. rate= -delta[A]/delta t E. rate= [A] [B]/ [C] [D]
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision: qV = 26.434 kJ/g. When a 2.088 g sample of C6H5COOH(..
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
Calculate the amount of 10.00% acetic acid you will need to add to 100.0 mL of your milk in order to bring the final acidity to 1.00% acetic acid.
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Determine the percent yield for the reaction between 3.74g of Na and excess O2 if 5.35g of Na2O2 is recovered
In the reaction MnO4- + 8H+ + 5e- ⇔ Mn2+ + 4H20, the manganese in 3.95 grams of KMnO4 is reduced to Mn2+. How many coulombs of charge must have been transferred to the permanganate ion.
A balloon holds 2.5 liters of helium at a temperature of 25C and 1 atmosphere of pressure. What volume will the balloon have after it rises to where the atmospheric pressure is 0.8 atmosphere and the temperature is -10C
A quantity of ice at 0°C is added to 66.4 g of water in a glass at 55°C. After the ice melted, the temperature of the water in the glass was 15°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(..
You have samples of approximately 8mL solution with ph ranging from 4 to 10. Calculate the volume of 1M HCIO4 needed to lower the ph to 2.5.
Compute the free energy of hydrolysis of Adenosine Tri Phosphate in a rat liver cell in which the ATP, ADP and Pi concentration
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