For a Particular Battery Based on One of the Following

question 56

Multiple Choice

For a particular battery based on one of the following reactions,E is expected to remain constant with time until the cell reactants are almost completely consumed.Which is the appropriate reaction?

• A)Zn(s)+ 2 MnO₂(s)+ 2 NH₄⁺(aq)→ 2 NH₃(aq)+ Mn₂O₃(s)+ Zn²⁺(aq)+ H₂O(l)
• B)2 NiO(OH)(s)+ Cd(s)+ 2 H₂O(l)→ 2 Ni(OH)₂(s)+ Cd(OH)₂(s)
• C)Pb(s)+ PbO₂(s)+ 2 H⁺(aq)+ 2 HSO₄^-(aq)→ 2 PbSO₄(s)+ 2 H₂O(l)
• D)Zn(s)+ Cu²⁺(aq)→ Zn²⁺(aq)+ Cu(s)

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Definitions:

Property, Plant, and Equipment

These are long-term assets a company uses in the production of its goods and services, such as buildings, machinery, and vehicles.

Fixed Manufacturing Overhead

The set of production costs that do not change with the level of production, including salaries, rent, and insurance of the factory.

Direct Labor

The labor costs directly attributed to the production of goods, including wages of workers who are actively involved in the manufacturing process.

Raw Material

The basic materials from which a product is made, used in the manufacturing or production process.