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Science - Ch. 8
Aidan
| Question | Answer |
|---|---|
| What does the solubility of a substance describe? | how much a solute dissolves in a given amount of solvent. |
| Is a solution homogeneous or heterogeneous? | homogeneous |
| Do all liquid solutions contain water? | no |
| What type of solution always contains water? | aqueous |
| Can indicators be used to find out how acidic or basic a substance is? | Yes |
| _________ is often called the universal solvent. | Aqueous |
| Do vinegar and oranges both contain acids or bases? | acids |
| Do acids or bases give soap their useful properties? | bases |
| Does sugar dissolve faster in hot water or cold water? | hot water |
| Which will dissolve faster: larger pieces of salt or smaller pieces of salt? | smaller |
| What effect does stirring have on a solid-liquid solution? | It spins around and the pieces fall off. |
| Do polar on nonpolar substances dissolve in water? | polar |
| What do we call the substance that is dissolved to form a solution? | solute |
| What type of solution is the air we breathe? | gaseous solution |
| What does saturated mean? | describes a solution that contains all of the solute that it can hold under a given set of conditions. |
| Define substance: | matter with a fixed composition whose identity can be changed by chemical processes but, not by ordinary physical processes. |
| What are the properties of an acid? | sour taste |
| What type of solution is brass? | solid |
| The amount of table sugar that will dissolve in 1kg of water can be increased by ______________. | heated temperature |
| List four food examples of a homogenous mixture. | tomato soup, chocolate, kool aid, lemon aid |
| List four food examples of a heterogenous mixture. | taco salad, chili, vegetable soup, watermelon |
| What is an alloy? Two examples? | a solid - solid made from two or more metals called an alloy. brass & steel |
| Are molecules with an even distribution of positive and negative charges polar or nonpolar? | nonpolar |
| What is the difference between a concentrated solution and a dilute solution? | Concentrated solutions has a large amount of solute per solvent and dilute solution has a small amount solvent. |
| How do acids taste? | sour |
| How do bases taste? | bitter |
| Why does grinding or crushing a solid make it dissolve faster in liquid? | The smaller pieces make it easier to dissolve instead of one large piece. |
| The term used to describe how much solute dissolves in a given amount of solvent. | solubility |
| Describes a solution that contains a large amount of solute per given amount of solvent. | concentrated |
| Substance that does the dissolving. | Solvent |
| Interaction that occurs between acids and bases in which the properties of each are cancelled out by the other. | neutralization |
| Solutions in which water is the solvent | aqueous |
| A measure of how acidic or basic solutions are | ph |
| Another name for a homogeneous mixture | solution |
| Tells you how much solute is present compared to the amount of solvent | concentration |
| Compounds that react with acidic or basic solutions to produce certain colors | indicators |
| Describe a solution that contains all of the solute that it can hold under a given set of conditions | saturated |
| Substance that dissolves into a solution | solute |
| Combinations of substances that can be separated by physical processes | mixtures |
| Contains a relatively small amount of solute in the solvent | dilute. |
Created by:
clj.ss.7
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