Question

In: Chemistry

1. With the same voltage source and same parameters for current, which metal will be the...

1. With the same voltage source and same parameters for current, which metal will be the fastest to have 5g deposited on a cathode?

Ag (from a AgCl solution)

Pb (from a PbCl2)

Au (from an AuCl3 solution)

2. Balance the following redox reaction in basic solution.

MnO₄^⁻(aq) + H₂C₂O₄(aq) → Mn²⁺(aq) + CO₂(g)

How many moles of H⁺ are in the balanced equation?

a)8

b)2

C)0

D)6

3. We know that the reaction A --> 2C has an average reaction rate R=10M/s between 0 and 10s.

What is the change in concentration of A during this same amount of time?

-1M

+1M

+100M

-10M

+10M

-100M

Expert Solution

queen_honey_blossom answered 2 years ago

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