The Leaching of Gold Can Be Represented by the Equation

question 19

Essay

The leaching of gold can be represented by the equation
4Au(s) + O₂(s) + 8CN^-(aq) + 2H₂O(l)  4Au(CN)₂^-(aq) + 4OH^-(aq)
In this reaction, identify the oxidant, the reductant and the oxidation numbers of the elements which change.

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Definitions:

Monopsonist

A market condition where there is only one buyer for a particular product or service, giving that buyer significant power over prices.

Marginal Resource Cost

The additional cost incurred by acquiring one more unit of a resource, such as labor or capital.

Imperfectly Competitive Market

A market structure where individual sellers have some control over the price of their goods due to lack of perfect competition, often resulting in higher prices for consumers.

Union Membership

The state of being a part of an organized association of workers created to protect and further their rights and interests.