The Chemical Reaction Occurring During the Discharge of a Lead

question 3

Multiple Choice

The chemical reaction occurring during the discharge of a lead storage battery can be represented by the equation: Pb(s) + PbO₂(s) + 2 H₂SO₄(aq) → 2 PbSO₄(s) + 2 H₂O(l)
Which is the limiting reagent and the amount of PbSO₄ produced if 39.8 g of Pb, 57.9 g of PbO₂, and 352 mL of 0.375 M solution of H₂SO₄ is used?

• A) PbO₂, 146 g
• B) Pb, 58.2 g
• C) Pb, 116 g
• D) H₂SO₄, 80.0 g
• E) H₂SO₄, 40.0 g

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Definitions:

Four-chambered Heart

A type of heart structure found in mammals and birds, consisting of two atria and two ventricles that separates oxygenated from deoxygenated blood.

Ectothermic

Body temperature that varies according to the environmental temperature.

Endothermic

A reaction or process accompanied by or requiring the absorption of heat.

Sensory Systems

The complex network of receptors and neural pathways in organisms that process information from the environment, including vision, hearing, smell, taste, and touch.