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Questions and Answers
Which of the following is a characteristic of a homogeneous mixture?
Which of the following is a characteristic of a homogeneous mixture?
- Components are easily distinguishable.
- Has the same composition throughout. (correct)
- Contains chemically reacting substances.
- Composition varies throughout the mixture.
In the context of solutions, what distinguishes a binary solution from a ternary solution?
In the context of solutions, what distinguishes a binary solution from a ternary solution?
- The type of solvent used.
- The method of preparation.
- The number of components in the solution. (correct)
- The physical state of the solute.
According to the amount method, how is the solvent identified in a solution?
According to the amount method, how is the solvent identified in a solution?
- It is always a liquid.
- It is the substance in lesser proportion by mass.
- It is the substance that determines the phase of the resulting mixture.
- It is the substance in larger proportion by mass. (correct)
Which of the following correctly describes the 'phase method' for classifying solvents and solutes?
Which of the following correctly describes the 'phase method' for classifying solvents and solutes?
In which type of solution is gas the solute and solid the solvent?
In which type of solution is gas the solute and solid the solvent?
Which of the following examples represents a 'liquid in gas' type of solution?
Which of the following examples represents a 'liquid in gas' type of solution?
Which of the following is an example of a solid in solid solution?
Which of the following is an example of a solid in solid solution?
Which statement correctly differentiates between aqueous and non-aqueous solutions?
Which statement correctly differentiates between aqueous and non-aqueous solutions?
What characteristic defines a saturated solution?
What characteristic defines a saturated solution?
How does a supersaturated solution differ from a saturated solution?
How does a supersaturated solution differ from a saturated solution?
What type of solution is soda water, where $CO_2$ gas is dissolved under pressure in water?
What type of solution is soda water, where $CO_2$ gas is dissolved under pressure in water?
Bronze is a homogeneous mixture primarily composed of copper and tin. What type of solution does bronze represent?
Bronze is a homogeneous mixture primarily composed of copper and tin. What type of solution does bronze represent?
Brass is a homogeneous mixture of copper and zinc. Identify the type of solution that brass represents.
Brass is a homogeneous mixture of copper and zinc. Identify the type of solution that brass represents.
German silver, composed of copper, zinc, and nickel represents which kind of solution?
German silver, composed of copper, zinc, and nickel represents which kind of solution?
Metal amalgam is which type of solution?
Metal amalgam is which type of solution?
Soda water is an example of which type of solution?
Soda water is an example of which type of solution?
Sublimation leads to the formation of which type of solution?
Sublimation leads to the formation of which type of solution?
Sugar in water is an example of which type of solution?
Sugar in water is an example of which type of solution?
Which of the following mixtures would be considered a homogeneous mixture?
Which of the following mixtures would be considered a homogeneous mixture?
What happens when you mix two or more chemically non-reacting substances?
What happens when you mix two or more chemically non-reacting substances?
Which characteristic distinguishes heterogeneous mixtures from homogeneous mixtures?
Which characteristic distinguishes heterogeneous mixtures from homogeneous mixtures?
Which of the following is considered a solution?
Which of the following is considered a solution?
What determines whether a solution is classified as binary, ternary or quaternary?
What determines whether a solution is classified as binary, ternary or quaternary?
According to the amount method, what dictates whether a substance is considered a solute or a solvent?
According to the amount method, what dictates whether a substance is considered a solute or a solvent?
If substance A is in a solid phase and substance B is in a liquid phase, and the resulting mixture is a liquid, which substance is the solvent according to the phase method?
If substance A is in a solid phase and substance B is in a liquid phase, and the resulting mixture is a liquid, which substance is the solvent according to the phase method?
Which of the following solutions is considered in gas?
Which of the following solutions is considered in gas?
What type of solution is formed when ethyl alcohol is mixed with $H_2O$?
What type of solution is formed when ethyl alcohol is mixed with $H_2O$?
Which type of solution is represented by mercury (Hg) in silver amalgam?
Which type of solution is represented by mercury (Hg) in silver amalgam?
Consider a solution where iodine is present in nitrogen gas. This is an example of which type of solution?
Consider a solution where iodine is present in nitrogen gas. This is an example of which type of solution?
Flashcards
What is a Mixture?
What is a Mixture?
A combination of two or more substances that are physically mixed together, not chemically reacted.
What is a Homogeneous Mixture?
What is a Homogeneous Mixture?
A type of mixture where the composition is uniform throughout.
What is a Heterogeneous Mixture?
What is a Heterogeneous Mixture?
A type of mixture where the composition varies and different components are visible.
What is a Solution?
What is a Solution?
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What is a Solvent?
What is a Solvent?
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What is a Solute?
What is a Solute?
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What is a Binary Solution?
What is a Binary Solution?
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What is a Ternary Solution?
What is a Ternary Solution?
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What is a Saturated Solution?
What is a Saturated Solution?
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What is an Unsaturated Solution?
What is an Unsaturated Solution?
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What is a Supersaturated Solution?
What is a Supersaturated Solution?
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What is an Aqueous Solution?
What is an Aqueous Solution?
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What is a Non-Aqueous Solution?
What is a Non-Aqueous Solution?
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What is a metal amalgam?
What is a metal amalgam?
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What type of solution is soda water?
What type of solution is soda water?
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What type of solution is bronze?
What type of solution is bronze?
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What type of solution is formed during sublimation?
What type of solution is formed during sublimation?
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Study Notes
- Two or more chemically non-reacting substances mixed create a mixture
Types of Mixtures
- Heterogeneous: Composition is not uniform throughout, components are distinguishable.
- Homogeneous: Composition is the same throughout, components are indistinguishable.
- Examples of homogeneous mixtures include sugar solutions and gaseous mixtures.
- An example of a heterogeneous mixture is water and kerosene.
- Air, brass, and sugar solution all classify as solutions.
Solution Definition
- A homogeneous mixture of two or more components.
- Each component can exist as a solid, liquid, or gas.
- The components cannot be separated by filtration, settling, or centrifugal action.
- A binary solution is composed of two components, a ternary solution of three components, and a quarternary solution of four components.
Classifying Solvents and Solutes
Amount Method:
- The substance in greater proportion by mass is the solvent, while the substance in lesser proportion is the solute.
- If WA (amount of A) > WB (amount of B), A is the solvent and B is the solute.
- If WA (amount of A) < WB (amount of B), B is the solvent and A is the solute.
Phase Method:
- When substance A is in solid phase and substance B is in liquid phase.
- The phase of the resulting mixture will determine solvent and solute
- With a solid resulting mixture, A is the solvent and B is the solute.
- With a liquid resulting mixture, B is the solvent and A is the solute.
Physical States of Solute and Solvent Combinations
- Gas in Gas: Air
- Gas in Liquid: Oxygen in water, carbonated drinks
- Gas in Solid: Adsorption of Hâ‚‚ by Nickel/Pt/Pd
- Liquid in Gas: Evaporation of liquids (moist nitrogen gas)
- Liquid in Liquid: Ethyl alcohol in Hâ‚‚O
- Liquid in Solid: Mercury in Silver, silver amalgam (Hg-Ag)
- Solid in Gas: Iodine in nitrogen, evaporation of camphor
- Solid in Liquid: Sugar or salt solution
- Solid in Solid: Metal alloys
Types of Solutions by Physical State
- Gas in gas: mix of Nâ‚‚ & Oâ‚‚ gas
- Liquid in Gas: water vapour in air
- Solid in Gas: camphor vapour in air
- Gas in Liquid: soft drinks
- Liquid in Liquid: alcohol in water.
- Solid in liquid: sugar in water
- Gas in Solid: hydrogen over palladium or platinum
- Liquid in Solid: sodium amalgam
- Solid in Solid: alloys
- Aqueous solution: A solution in which the solvent is water.
- Non-aqueous solution: A solution where the solvent is not water.
Terms Related to Solutions
- Saturated Solution: contains as much solute as it can dissolve at a given temperature.
- Unsaturated Solution: contains lesser solute than the amount of solute it can dissolve.
- Supersaturated Solution: contains more solute than the amount of solute it can dissolve at a particular temperature.
Examples
- Soda water is a gas dissolved in liquid
- Bronze is a solid in solid solution composed of copper and tin.
- Brass is a solid in solid solution composed of copper and zinc.
- German silver: A solid in solid solution composed of copper, zinc, and nickel.
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