A mixture of gases can be described as a solution because it is a homogeneous mixture that has a uniform composition throughout at the molecular level.

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Consider the statement about mixtures of gases being described as a solution because it is a homogeneous mixture with uniform composition at the molecular level.
Option 1: True. This option claims that a gas mixture qualifies as a solution due to its homogeneous nature and uniform composition. In chemistry, a solution is typically a homogeneous mixture of two or more substances at the molecular level, where the solute is dispersed within the solvent. For gases, when two or more gases are present in a single-phase system, they mix to form a homogeneous gas phase with uniform composition throughout the volume, which aligns with the broad definition of a solution.
Option 2: False. This choice would assert that gas mixtures are not solutions. One potential objection might be that solutions are often discussed in the context of liquids dissolved in liquids, or solids dissolved in liquids, rather than gases. However, the concept of a solution is not limited to liquids; it extends to any homogeneous phase where components are uniformly distributed, including gaseous solutions (e.g., air, a mixture of nitrogen and oxygen). Therefore, labeling a homogeneous gaseous mixture as a solution is compatible with the general chemical definition, and denying this would overlook the generality of the term across phases.
Additional nuance: The term solution emphasizes uniform distribution and the ability of the components to mix at the molecular level, which is indeed observed in gases, where mixing is rapid and occurs on a molecular scale. Thus, both the idea of a gas mixture being homogeneous and its uniform composition at the molecular level support treating it as a solution within the broader definition used in chemistry.
In summary, the statement hinges on the broad definition of a solution as a homogeneous phase with uniform composition, which applies to gaseous mixtures as well as liquid and solid solutions, making the reasoning for each option hinge on the scope of the term and the phase considered.

CHEM 110 Section 3 (PM) SP25 Pre-Lecture 27 Quiz C12-4-6

A mixture of gases can be described as a solution because it is a homogeneous mixture that has a uniform composition throughout at the molecular level.

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CHEM 110 Section 3 (PM) SP25 Pre-Lecture 27 Quiz C12-4-6

A mixture of gases can be described as a solution because it is a homogeneous mixture that has a uniform composition throughout at the molecular level.

View Explanation

Log in for full answers

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