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 Properties of Materials 48 Flashcards |
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What is a solution in the context of dissolving substances? |
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Homogeneous MixtureUnderstanding Solutions in Chemistry
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Fill in the blank: In the process of dissolving, the substance that dissolves is called the ___ and the substance it dissolves into is called the ___. |
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Solute; solvent  |
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True or False: When sugar dissolves in water, it completely disappears and is no longer present. |
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False. The sugar does not disappear; it is still present but is dispersed among water particles.  |
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Riddle: I am a mixture that appears transparent when a solid dissolves in me. What am I? |
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A solution.  |
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Describe the process of how sugar particles dissolve in water. |
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DissolvesThe Process of Sugar Dissolving in Water
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What happens to the visibility of sugar particles as they dissolve in water? |
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Initially VisibleDissolving Sugar in Water
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Fill in the blank: The process of a solid becoming incorporated into a liquid is known as ___. |
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Dissolving  |
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What role do water particles play in the dissolution of sugar? |
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Water ParticlesThe Role of Water in Sugar Dissolution
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All solutions are transparent, but this does not mean they are ___ . |
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Colorless  |
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True or False: Milk is a solution because it is opaque. |
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False; milk is not a solution because it is opaque.  |
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Dissolving requires two substances: a ___ and a ___. |
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Solute, solvent  |
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Riddle: I change state from solid to liquid when heated, but I do not mix with water. What am I? |
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Butter  |
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What is the primary difference between melting and dissolving? |
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Fill in the blank: Sugar is a ___ when it is mixed in black tea. |
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Solute  |
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In the experiment described, what is used as the solvent? |
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Water |
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Short Answer: Name one example of a substance that melts. |
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Ice cream  |
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Multiple Choice: Which of the following is an example of dissolving? A) Ice melting B) Salt in water C) Butter in a frying pan D) Candle wax melting |
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B) Salt in water  |
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What is the relationship between the mass of the solute, the mass of the solvent, and the mass of the solution? |
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Mass RelationshipThe Relationship of Masses in Solutions
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Fill in the blank: When salt dissolves in water, the total mass of the solution is ___ the mass of the salt plus the mass of the water. |
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Equal to  |
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True or False: A pure substance produces multiple spots on a chromatogram. |
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False. A pure substance produces a single spot, while a mixture produces multiple spots. |
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Riddle: I am added to water, but I never disappear. My mass is counted in the solution, making it clear. What am I? |
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Salt  |
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Fill in the blank: The formula for the mass of a solution is ___ + ___ = Mass of Solution. |
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Mass of Solute, Mass of Solvent  |
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What is paper chromatography used for? |
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Paper chromatography separates dissolved substances in a mixture, such as colored inks, based on their solubility. |
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What is formed when a solute is dissolved in a solvent? |
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A solution is formed when a solute is dissolved in a solvent.  |
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Completed! Keep practicing to master all of them. |
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