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Use the standard half-cell potentials listed below to calculate the standard cell potential for a galvanic cell at 25°C made from those materials.  Pb2+(aq) + 2 e⁻ → Pb(s) E° = -0.13 V Br2(l) + 2 e⁻ → 2 Br⁻(aq) E° = +1.07 V  

Consider the following reaction at equilibrium. What effect will reducing the volume have on the system?

Use the standard half-cell potentials listed below to calculate the standard cell potential for a galvanic cell at 25°C made from those materials.  Sn2+(aq) + 2 e⁻ → Sn(s) E° = -0.14 V Ag⁺(aq) + e⁻ → Ag(s) E° = +0.80 V  

What is the osmotic pressure of a solution of 55.8 g of aspartame ( 342.3 g/mol ) in 200 mL of water at room temperature?

The solubility of lead (II) iodide is 0.064 g/100 mL at 20oC. What is the solubility product for lead (II) iodide?  

Calculate the pH of a 0.800 M KBrO solution. Ka for hypobromous acid, HBrO, is 2.0 × 10-9.

If the pKa of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.11, which of the following is TRUE?

The acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10. What is the pH of an aqueous solution of 0.040 M sodium cyanide (NaCN)?

You dissolve 0.120 g of the protein in water to make 20.00 mL of solution, and the osmotic pressure is 0.004644 atm at 298 K. What is the molar mass?

What is the equilibrium expression for the following reaction?