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The chemical equation above illustrates a chemical reaction between aluminum (Al) and sulfur (S) to form aluminum sulfide (Al2S3). According to the reaction ratio, each molecule of aluminum will react with three molecules of sulfur to form one molecule of aluminum sulfide.
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Reaction conditions: For the reaction to occur, the temperature (about 800 – 1000 degrees Celsius) and pressure need to be sufficient. Both aluminum and sulfur need to be in solid form for the chemical reaction to happen.
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Reaction process: When the two elements, aluminum and sulfur, are placed together under sufficient temperature and pressure conditions, they will react with each other. Aluminum will accept electrons from sulfur, creating a chemical bond and forming aluminum sulfide.
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Phenomena: When the reaction takes place, a glow can be observed due to the redox reaction occurring between aluminum and sulfur. The final product, aluminum sulfide, is a white solid.