What Mass of Excess Reactant Remains at the End of the Reaction

question 107

Multiple Choice

What mass of excess reactant remains at the end of the reaction if 90.0 g of SO2 are mixed with 100.0 g of O2? 2SO₂ + O₂ → 2SO₃

• A)10.0 g
• B)12.5 g
• C)22.5 g
• D)55.0 g
• E)77.5 g

Identify common sleep disorders, their symptoms, and treatment options.

Compare different theories of hypnosis and illustrate its potential benefits and applications.

Describe the effects of sleep deprivation in the short and long term, including changes in sleep stages.

Understand the mechanics of addiction, including tolerance, withdrawal, and the potential predictors of addiction.

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Definitions:

Mid-Ocean Ridge

A submerged chain of mountains created by the movements of tectonic plates, where volcanic processes generate new sea floor.

Magnetic Stripes

Patterns of magnetic anomalies found on the ocean floor, parallel to mid-ocean ridges, that record reversals of the Earth's magnetic field.

Triple Junction

The place where three tectonic plates, and three plate-tectonic boundaries, meet.

Plate Boundaries

The edges where two tectonic plates meet, which can be sites of significant geological activity like earthquakes and volcanic eruptions.