'Homogeneous mixtures' diaporamas de présentation

Properties of Water

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Regents Chemistry

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Matter and Energy

Matter and Energy. Applied Chemistry. Matter and Energy. The universe is made of matter and energy . Energy Definition: The capacity to do work or produce heat . Common unit: calorie abbreviated cal SI unit: Joule abbreviated J. Types of Energy.

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Grade 7 Science

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Properties of Solutions

Properties of Solutions. Classification of Matter. Solutions are homogeneous mixtures. Solute. A solute is the dissolved substance in a solution. Salt in salt water. Sugar in soda drinks. Carbon dioxide in soda drinks. Solvent. A solvent is the dissolving medium in a solution.

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Matter

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Chemistry2.2

Chemistry2.2. Mixtures. 2.2. Panning is one way to separate gold from a mixture of gold and materials such as sand or gravel. A pan containing the mixture is place underwater and shaken vigorously from left to right. You will learn how to classify and separate mixtures. 2.2.

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The study of the structure of matter and how that structure affects the properties and behavior of matter.

CHEMISTRY. The study of the structure of matter and how that structure affects the properties and behavior of matter. magnesium hydroxide Mg(OH) 2. sucrose C 12 H 22 O 11. sulfuric acid H 2 SO 4. sodium bicarbonate NaHCO 3. ammonia NH 3 ( aq ). calcium hypochlorite Ca( OCl ) 2.

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Chapter 2

Chapter 2 . Matter. 2.1 Nature of Matter. Objectives To learn about the composition of matter To learn the difference between elements and compounds To define the three states of matter. A. The Particulate Nature of Matter. Matter is the stuff of which the universe is made of.

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Composition of Matter

Composition of Matter. All matter is made up of atoms. Elements - when all the atoms in the matter are the same. There are 118 elements. Ex: Carbon and Oxygen. Compounds. Compounds - matter that is made up of 2 or more combined elements.

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Emulsions & Colloids

Emulsions & Colloids. Mixtures. Combo of 2 or more pure substances Physically combined NOT chemically combined Each substance retains its own identity and properties. Mixtures. Variable composition No unique properties Ex: sugar and sand mixed together Separated by physical methods

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180

If there only about 100 types of elements in the world, why are there so many different kinds of matter?. 60. 140. 130. 120. 40. 50. 30. 10. 70. 8. 7. 6. 5. 9. 4. 3. 2. 0. 180. 80. 20. 90. 160. 150. 170. 100. 110. 1. Seconds Left:.

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Classification of Matter

Classification of Matter. Matter. Anything that has mass and takes up space Examples: Desk Water Air Can be divided into 2 main categories: Pure substances Mixtures. Pure Substances. There are 2 categories of pure substances: Elements Compounds. Elements. Elements

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Classification of Matter

Classification of Matter. Science 9. What is Matter?. Matter is anything with both mass and volume Matter can be classified as pure substances or mixtures. Pure Substances. Consist of only one kind of matter Has the same properties throughout

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Elements

Elements. sodium chlorine bromine lead gold hydrogen oxygen. Compounds. sodium chloride water sucrose (sugar) sodium bicarbonate (baking soda) acetic acid (vinegar) caffeine. Homogeneous Mixtures. black coffee iced tea Kool-Aid salt water alloys: bronze brass steel.

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Mixtures Chapter 15

Mixtures Chapter 15. Solutions = homogeneous mixtures Heterogeneous mixtures Suspensions Colloids. Suspensions. Particles are large enough to be effected by gravity Settle to bottom Or can be filtered out. Cornstarch and water. blood. Colloids.

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What is a Solution?

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Matter and Change

Matter and Change. Chapter 2. Properties of Matter. Bamboo has properties that make it a good choice for use in chopsticks. It has no noticeable odor or taste. It is hard, yet easy to split, and it is heat resistant. You will learn how properties can be used to classify and identify matter.

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Chapter 19 Principles of Chemical Reactivity: Entropy and Free Energy

Chapter 19 Principles of Chemical Reactivity: Entropy and Free Energy. Entropy & Free Energy. Chemical Thermodynamics provides us with information about equilibrium and whether or not a reaction is Spontaneous.

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