If the Percent Yield Is 82

question 21

Multiple Choice

If the percent yield is 82.0%,how many grams of silicon is needed to make 105 g of chromium by the reaction: 3 Si (s) + 2 Cr₂O₃ (s) → 3 SiO₂ (s) + 4 Cr (l) ?

• A)51.9 g
• B)92.2 g
• C)42.5 g
• D)34.9 g
• E)13.0 g

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Definitions:

Hemispheric Activity

The functioning or activity level of the brain's two hemispheres, often discussed in terms of differences in cognitive processing or emotional response.

Depression

A mental health disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.

Temperament

Refers to the innate aspects of an individual's personality, such as their disposition or emotional nature, which is often thought to be present from birth.

Intelligence

The capacity for logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving.