The Hall Process for the Production of Aluminum Involves the Reaction

question 18

Multiple Choice

The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monoxide. If the percent yield of this reaction is 82% and aluminum ore is 71% by mass aluminum oxide, what mass of aluminum ore must be mined in order to produce 1.0 * 10³ kg (1 metric ton) of aluminum metal by the Hall process

• A) 1.1 * 10³ kg
• B) 1.6 * 10³ kg
• C) 1.8 * 10³ kg
• D) 2.2 * 10³ kg
• E) 3.3 * 10³ kg

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Definitions:

Hypertension

A chronic medical condition in which the blood pressure in the arteries is persistently elevated, leading to increased risk of heart, brain, kidney, and other diseases.

Coronary Arteries

The arteries that supply oxygen-rich blood to the muscular walls of the heart.

Oxygenated Blood

Blood rich in oxygen, typically found in the arteries, which has been oxygenated in the lungs and is being transported to body tissues.

Diastolic Pressure

A measure of blood pressure between contractions of the heart.