'Phase changes' diaporamas de présentation

Intermolecular Forces: Liquids and Solids

Intermolecular Forces: Liquids and Solids. ? Phases and Phase Diagrams ? Liquids and Liquid Properties ? Intermolecular Forces ? Heating Curves ? Introduction to Solids ? Cubic Packing Arrangements ? Closest-Packed Structures ? Density of a Crystalline Solid

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TOPIC : Heat AIM : How do substances change from one phase to another?

TOPIC : Heat AIM : How do substances change from one phase to another?. States (phases) of matter. 1. SOLID Molecules packed closely together Vibrate in place. Definite volume & shape. 2. LIQUID Molecules farther apart & move around. Definite volume No definite shape. 3. GAS

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THERMOCHEMISTRY PT 2

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Revised Draft MA Science & Technology/ Engineering Standards doe.mass/stem/review.html

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100

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10.10 Warm-Up

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Entry Task: May 22 nd 23 rd Block 1

Entry Task: May 22 nd 23 rd Block 1. Question: What is temperature change of 50.0 grams of water absorbs 35kJ of energy. (specific heat 4.18 J/ gC ) You have 5 minutes!. Agenda:. Discuss Ch. 16.sec 2 and worksheet In-class (small notes) on Sec. 3 HW:

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PRESENTATION ON CHEMISTRY THREE STATES OF MATTER BY MRS. IRUM KHALID LECTURER DA SKBZ COLLEG E

PRESENTATION ON CHEMISTRY THREE STATES OF MATTER BY MRS. IRUM KHALID LECTURER DA SKBZ COLLEG E . Chemistry The Three States of Matter Gas Liquid Solid. Matter is anything that has mass and takes up space.

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100

Heat specifically. Energizer Bunny. Stoichiometry Redux. Burn, baby Burn. Diagrams & Curves. 100. 200. 300. 400. 500. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. What is the symbol for specific heat?.

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Energy Introduction

Energy Introduction . F. Energy is always involved in physical and chemical change. Energy definition: ability to transfer heat or do work Examples of energy sources. Chemical Nuclear Kinetic Electrical Gravity (or positional ) . Heat and temperature are different.

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SCIENCE Heat and Energy 2013

SCIENCE Heat and Energy 2013. Chappell/Decker/ Kamrar /McClain/Penney/Stout. What are atoms made of?. Protons - Neutrons - Electrons. What are the three states of matter?. 1. _________________________ 2. _________________________ 3. _________________________.

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9 / 20 Mothball Phase Change Lab

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Characteristics of Gaseous State

Characteristics of Gaseous State. Particles are very far apart Very weak interparticle forces Gases assume volume & shape of container Very compressible Flow readily Diffusion occurs rapidly Large free volume (99%, even at P=10 atm) Exhibit vibrational, rotational, translational motion

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Notes: ENDOTHERMIC CHANGES

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Phase Diagrams

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Ch. 8 - Solids, Liquids, & Gases

MATTER. Ch. 8 - Solids, Liquids, & Gases. II. Changes in State (p.224-227) Phase Changes Heating Curves. A. Phase Changes. Melting solid to liquid Freezing liquid to solid melting point = freezing point. A. Phase Changes. Vaporization (boiling) liquid to gas at the boiling point

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Entropy

Entropy. How is it influenced by temperature?. How does entropy vary with temperature?. Make a prediction. entropy. Why the vertical rise?. Now the measured entropies for water. temperature. Why does entropy vary with temperature?. gas. Increased thermal motion -Vibrations in solids

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Aim: What is the difference between solids, liquids, and gases?

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Chemical vs Physical Change

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13.4 Changes of State

13.4 Changes of State. Evan Florin Tyler Fornwalt Justin Lee Jerry Li. Sublimation. Objective 21 The change of a substance from a solid to a vapor without passing through a liquid state E.g., ice becomes water vapor without thawing, or dry ice

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