Chemistry Challenge

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Questions and Answers

What does chemistry study within matter?

Chemistry studies the chemical elements that make up matter and compounds made of atoms, molecules, and ions: their composition, structure, properties, behavior, and the changes they undergo during reactions with other substances.

What is chemistry?

Chemistry is the scientific study of the properties and behavior of matter.

Why is chemistry sometimes called the central science?

Chemistry is sometimes called the central science because it provides a foundation for understanding both basic and applied scientific disciplines at a fundamental level.

What is the scope of chemistry's subject?

<p>In the scope of its subject, chemistry occupies an intermediate position between physics and biology.</p> Signup and view all the answers

Give an example of how chemistry explains aspects of other scientific disciplines.

<p>For example, chemistry explains aspects of plant growth (botany), the formation of igneous rocks (geology), how atmospheric ozone is formed and how environmental pollutants are degraded (ecology), the properties of the soil on the moon (cosmochemistry), how medications work (pharmacology), and how to co.</p> Signup and view all the answers

Which type of solutions are ideal for the assumption that solution properties are independent of the nature of solute particles?

<p>Ideal solutions (D)</p> Signup and view all the answers

Which units for concentration of a solution are related to the number ratio of solute particles to solvent particles?

<p>Molarity, molality, normality (D)</p> Signup and view all the answers

Which type of solute and solvent combination is considered for colligative properties?

<p>Nonvolatile solute in a volatile liquid solvent (A)</p> Signup and view all the answers

For which type of solutions is the assumption that solution properties are independent of the nature of solute particles exact?

<p>Ideal solutions (D)</p> Signup and view all the answers

What are colligative properties essentially considered to be?

<p>Solvent properties changed by the presence of solute (C)</p> Signup and view all the answers

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