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 remain…
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 mi…
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 init…
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 ________, whe…
The solubility product for CaCO3 is written as ________, where s is the molar solubility.
For the chemical reaction A → B + C, a plot of [A]t versus t…
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°=…
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 ________, whe…
The solubility product for CaCO3 is written as ________, where s is the molar solubility.
Sodium-22 undergoes electron capture. Identify the resulting…
Sodium-22 undergoes electron capture. Identify the resulting isotope.
Place the following in order of increasing entropy at 298 K….
Place the following in order of increasing entropy at 298 K. Ne Xe He Ar Kr