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.  Cl2(g) + 2 e⁻ → 2 Cl⁻(aq) E° = +1.36 V Fe3+(aq) + 3 e⁻ → Fe(s) E° = -0.04 V  

Suppose 62.0% of a sample of radioactive polonium-218 remains after 2.14 minutes. Estimate the half-life of Po-218.

What mass of aluminum can be plated onto an object in 755 minutes at 5.80 A of current in a solution of Al(OH)3?

iodine-131 has a t1/2 = 8.0 days A sample of iodine-131 initially emits 9.95 × 1018 β particles per day, how long will it take for the activity to drop to 6.22 × 1017 β particles per day?  

The solubility product for CaCO3 is written as ________, where s is the molar solubility.

For the chemical reaction A → B + C, a plot of t versus time is found to give a straight line with a negative slope. What is the order of reaction with respect to A?

Calculate ΔG° for the following balanced redox reaction. E°=-0.47V Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq)

The solubility product for CaCO3 is written as ________, where s is the molar solubility.

Sodium-22 undergoes electron capture. Identify the resulting isotope.

Place the following in order of increasing entropy at 298 K. Ne Xe He Ar Kr