A student heated a mixture of iron filings and sulfur strongly

CHEMISTRY · Multi-part · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

A student heated a mixture of iron filings and sulfur strongly. A red glow spread through the mixture as the reaction continued. At the end of the experiment, a black solid had formed. (a) Explain what the red glow indicates. (b) Give the chemical name of the black solid. (c) Write a word equation and a balanced chemical equation to represent the reaction that has taken place. (d) The black solid is a compound. Explain the difference between the mixture of sulfur and iron and the compound formed by their chemical reaction.

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