A Cu/Cu2+ concentration cell (E∘=0.34V) has a voltage of 0.23 V at 25 ∘C. The concentration of Cu2+ in the cathode is 1.6×10⁻³ molL−1.

Part A

What is the concentration of Cu2+ in anode?

What is the standard reduction potential of the Y³⁺/Y redox couple if the cell potential of the following cell at 25 ^oC is 1.22 V?

Zn / Zn²⁺ (0.72 M) // Y³⁺ (1.2 M) / Y

E^o =

4- If the drag force on a smooth sphere depends on the velocity (V), sphere diameter (D), viscosity (?), and density (?), use dimensional analysis to show the drag coefficient on the sphere is a function of the Reynolds number only. (15%) ?

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis.

y = e^x, x = 0, y = 7π;    about the x-axis

Can you summarize this video in your own words? What is the main idea? What is something you find interesting? At least 12 sentences. https://www.youtube.com/watch?v=x5x19lwPnbo&feature=youtu.be

Can you summarize this video in your own words? What is the main idea? What is something you find interesting? At least 12 sentences https://www.youtube.com/watch?v=ER49EweKwW8&feature=youtu.be

Block copy, and paste, the argument into the window below, and do a proof to prove that the argument is valid.

1. (p   ⊃ z)   •   (q • ~z)
2. (~p • q)    ⊃   s
3. m   v ~s     : .    m

Block copy, and paste, the argument into the window below, and do a proof to prove that the argument is valid.

1. (p   ⊃ z)   •   (q • ~z)
2. (~p • q)    ⊃   s
3. m   v ~s     : .    m

solve & explain please

If an electron is accelerated from 2 mm/s through a potential difference of 500 V between two parallel plates separated by a distance of 2.0 cm. What is the speed of the electron?

A spherical charge distribution of radius R has a charge Q distributed uniformly over its volume. Find the magnitude of the electric field E(r) and the electric potential V (r) for all r.