In a Common Car Battery, Six Identical Cells Each Carry

question 72

Multiple Choice

In a common car battery, six identical cells each carry out the following reaction: Pb + PbO₂ + 2HSO₄^- + 2H⁺  2PbSO₄ + 2H₂O
For such a cell, E° is 2.04 V. Calculate G° at 25°C.

• A) -787 kJ
• B) -197 kJ
• C) -394 kJ
• D) -98 kJ
• E) -0.121 kJ

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Definitions:

Suction Catheter

A tube used to remove fluids from the body by suction, commonly used in medical settings.

Mechanical Ventilation

A life-support technique that mechanically assists or replaces spontaneous breathing by delivering air to the lungs.

Closed In-Line Catheter

A medical device designed to provide continuous access to a patient's vascular system without the need to repeatedly puncture the skin, often used in critical care to administer medications or fluids.

Hyperoxygenate

To supply or saturate something, especially the body or part of the body, with an excessive amount of oxygen.