Photo chemistry 9 Judy Han
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This document is a table of contents for a chemistry textbook about identifying chemistry in the world. It lists various chemistry concepts and terms like matter, elements, compounds, physical and chemical changes. Each term links to a page explaining that concept in more detail with examples and photos.
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This document defines key terms related to matter: matter is anything that has mass and takes up space. A pure substance has a specific, unchanging makeup like salt or sugar. Matter has physical properties that can be observed without changing its substance, like melting point, and chemical properties that describe its ability to change into other substances through reactions. Elements are pure substances that cannot be broken down further, while mixtures contain two or more substances that are not chemically combined. Mixtures can be homogeneous, where the parts are evenly mixed and not visible, or heterogeneous, where the different parts can be seen.
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The document discusses various topics related to matter and chemical changes. It defines elements and compounds, explains that compounds can undergo chemical changes while elements cannot, and states that the law of conservation of mass means the mass of reactants equals the mass of products in a chemical reaction. It also distinguishes physical and chemical changes, noting that only chemical changes alter the composition of matter.
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This document provides an overview of matter and its different states. It begins by defining matter as anything that has mass and occupies space. It then discusses the particulate nature of matter and describes the three common states of matter - solids, liquids, and gases. It explains the characteristic properties of each state, including how solids have a definite shape but liquids and gases do not. Temperature and pressure can cause changes between the different states. The document also introduces the concepts of elements, compounds, and mixtures as different ways of classifying matter based on its chemical composition.
5.1 Classification Of Matter Part B
This document discusses physical and chemical properties of matter. It begins by defining physical properties such as density, state of matter, and electrical conductivity. It provides examples of calculating density and practice problems. It then discusses clues for identifying chemical properties, such as new substances being formed or gases produced. It compares physical and chemical changes and asks the reader to classify given properties as physical or chemical.
Matters
The document discusses the different states of matter and phases. It explains that matter can exist in solid, liquid, gas, and plasma phases. The solid phase occurs when molecules are tightly bound, while the liquid phase allows molecules to flow freely but maintain a shape defined by their container. Gas molecules exhibit random motion and the least intermolecular forces. Plasma is an ionized gas that conducts electricity. The document also briefly discusses Bose-Einstein condensates, an exotic state of matter.
Changes_in_Matter_Revised.ppt
The document discusses physical and chemical changes of matter. A physical change alters the form of a substance without changing its chemical composition, such as melting or freezing. A chemical change produces new substances through rearrangement of atoms, like burning or rusting. The three main states of matter are solids, liquids, and gases. Changes between these states are physical changes caused by temperature increases that provide kinetic energy to particles. The kinetic molecular theory describes particle behavior in the different states.
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Photo chemistry 9 Judy Han
- 1. Photo Chemistry 9 -Identifying Chemistry in Our World- Judy Han Gr.9 Click Here to Start
- 3. Matter? Not Matter? Matter Not Matter To the Table of Contents Click each photo to see the explanation.
- 4. Pure Substance? Mixtures? Click each photo to see the explanation. Pure Substance Mixture To the Table of Contents Back Click each photo to see the explanation.
- 5. Element? Compounds? Click each photo to see the explanation. Element Compounds Back To the Table of Contents Click each photo to see the explanation.
- 6. Heterogeneous? Homogenous? Click each photo to see the explanation. Heterogeneous Mixtures Homogenous Mixtures Back To the Table of Contents Click each photo to see the explanation.
- 7. Mass? Volume? Click each photo to see the explanation. Mass Volume To the Table of Contents Click each photo to see the explanation.
- 8. Density? Viscosity? Conductivity? Click each photo to see the explanation. Density Viscosity To the Table of Contents Conductivity Click each photo to see the explanation.
- 9. States? Click photos to see the explanation. States To the Table of Contents Click each photo to see the explanation.
- 10. Physical Change? Homogenous Change? Click each photo to see the explanation. Physical Change Chemical Change To the Table of Contents Click each photo to see the explanation.