A NiCd Battery Uses Nickel and Cadmium to Produce a Potential

question 17

Multiple Choice

A NiCd battery uses nickel and cadmium to produce a potential difference.Using these equations,answer the following questions.
I.2NiO(OH) _(s) + 2H₂O _(l) + 2 e¯ $\rarr$ 2Ni(OH) _{2 (s)} + 2 OH¯ _(aq)
II.Cd_(s) + 2OH¯ _(aq) $\rarr$ Cd(OH) _{2 (s)} + 2e¯
III.Cd _(s) + 2NiO(OH) _(s) + 2 H₂O _(l) $\rarr$ 2 Ni(OH) _{2 (s)} + Cd(OH) _{2 (s)}
Which equation represents what takes place at the anode?

• A)I
• B)II
• C)III
• D)I and II

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Definitions:

Economies of Scale

The economic gains experienced by companies due to their operational scope, with per-unit production costs usually falling as the operational size expands.

Imperfectly Competitive

A market structure where individual sellers have some control over the price due to lack of perfect competition, leading to a variety of prices for similar products.

Marginal Revenue Curve

A graphical representation showing how marginal revenue varies as the quantity of goods sold changes.

Demand Curve

A graph that shows the relationship between the price of a good and the quantity of it that consumers are willing to purchase at each price point.