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1. If a galvanic cell is created using the Cu2+/Cu and Zn2+/Zn half reactions, and the initial concentration of copper(II) is 0.100 M and the initial concentration of zinc(II) is 1.90 M, what is the potential of this voltaic cell with these starting concentrations of metal cations? Hint: Calculate the standard cell potential for this cell first, then use the Nernst equation to determine the cell potential.
2. Why did the cell potential from question #3 change from the standard cell potential?
Consider the following reaction; 3A+B--3C, where 2 moles of A react with 1 mol of B to completion. Which of the statement is correct.
Problem- A compound contains 80.78% C, 13.56% H, 5.66% O. A solution of 1.00g of this compound in 8.5g of benzene freezes at 3.37°C. 1) What are the molecular formula and the molar mass of the compound. (The normal freezing point of pure benzene is ..
A solution has 0.500kg H20 and 14.3g NaCl. What is the mole fraction of H20? The question also says. The number of moles of sodium ions and chloride ions must be accounted for separately in calculating the total number of moles in the solution
Calculate the collision frequencies z12 and z21, where hydrogen is component 1 and chlorine is component 2. Given: d1=0.272nm and d2=0.544nm.
Create improvement in the process for converting sucrose to glucose and fructose. Sucrose inversion is the process of converting sucrose to a mixture of equimolar amounts of its component monosaccharides.
Problem- What would be the major product(s) of the following reaction of 4-methyl-2-cyclopenten-1-one with cuch(ch3)2 in h3o+.
If a solution contains 0.60 mol of OH^-, how many moles of H^+ would be required to reach the equivalence point in a titration?
A sample of nitrogen occupies a volume of 250mL at 27 degrees C and 700 mmHg of pressure. What will be its volume at STP?
What is the difference between alpha-glucose and beta-glucose? and show the condensation of two glucose molecules to form a disaccharide with an alpha linkage; with a beta linkage.
Ammonia is used for refrigeration. the heat of vaporization of ammonia is 23.35kJ/,mol. How many grams of ammonia would have tovaporize toofreeze one tray of ice cubes
The first order decay of radon has a half-life of 3 days. How many grams of radon remain after 7.22 days if the sample initially weighs 250.0 grams
A buffer solution is 1.20 M in HF and 1.40 M in NaF. If 0.230 moles of HCl are added to 1.00 L of the buffer, what is its pH? Assume the volume remains constant. Ka of HF = 7.2 10-4.
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