QQuestionChemistry
QuestionChemistry
"Steel is an alloy made by combining iron and other elements, such as carbon, which may be present between 0.2 - 2.1% by weight.
Which of the following describes steel?
a. Compound
b. Element
c. Heterogeneous mixture
d. Homogeneous mixture"
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Understand the definition of steel
Steel is an alloy created by combining iron with other elements, primarily carbon. The key characteristics to consider are: - Contains multiple elements (iron and carbon) - Carbon content ranges from 0.2% to 2.1% by weight - The components are uniformly distributed throughout the material
Step 3:: Analyze the possible classifications
- Element: A pure substance with only one type of atom (NOT steel) - Compound: A substance with fixed proportions of elements chemically bonded (NOT steel) - Heterogeneous mixture: Components are visibly distinct and not uniformly distributed (NOT steel) - Homogeneous mixture: Components are uniformly mixed and not visibly separate
Step 4:: Evaluate steel's characteristics
- Steel has multiple elements mixed together - The components (iron and carbon) are uniformly distributed - The proportions can vary within a specific range - The components are physically, not chemically, combined
Step 5:: Determine the correct classification
Steel meets the definition of a homogeneous mixture: - Uniform composition - Components can be present in varying proportions - No chemical bonding between components
Final Answer
Homogeneous mixture
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