Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.) Pb(s) + Br2(l) → Pb2+(aq) + 2 Br⁻(aq)Pb2+(aq) + 2 e⁻ → Pb(s) E° = -0.13 VBr2(l) + 2 e⁻ → 2 Br⁻(aq) E° = +1.07 V

Express the equilibrium constant for the following reaction. 2 Na(s) + 2 H2O(l) ⇌ 2 NaOH(aq) + H2(g)

Determine the rate law and the value of k for the following reaction using the data provided.  Remember to show all written work to receive any credit for this problem. S2O82⁻(aq) + 3 I⁻(aq) → 2 SO42⁻(g) + I3⁻(aq) [S2O82⁻]i (M) [I⁻]i (M) Initial Rate (M/s) 0.30 0.42 4.54 0.44 0.42 6.65 0.44 0.21 3.33

Mark the definition of the eye disorder in the following illustration.

The meaning of the medical term anuria is:

What is the overall order of the following reaction, given the rate law?2 X + 3 Y → 2 ZRate = k[X]1[Y]2 

Express the equilibrium constant for the following reaction.  10 NH3(g) ⇔ 5 N2(g) + 15 H2(g)

Identify structure 1 of the eye.

Identify structure 8 of the eye.

Determine the rate law and the value of k for the following reaction using the data provided.  Remember to show all written work to receive any credit for this problem. 2 NO(g) + O2(g) → 2 NO2(g) [NO]i (M) [O2]i (M) Initial Rate (M/s) 0.030 0.0055 8.55 × 10-3 0.030 0.0110 1.71 × 10-2 0.060 0.0055 3.42 × 10-2