'Heating curve' diaporamas de présentation

States of Matter

States of Matter. Liquids and Solids. Why are we studying liquids and solids together when we studied gases by themselves ? Particles in liquids and solids are closer together than those of gases. How much energy does it take to go from a solid to a liquid ? Not Much

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Agenda: 4/22

Agenda: 4/22. Gases & Gas Laws Purpose: To use mathematical formulas to predict how a gas will change Warm-up: Stoichiometry Problems with Gases States of Matter Kinetic Molecular Theory Measurements used in Gas. Essential to Stoichiometry Set-up of problems.

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Agenda: 4/23 or 4/24

Agenda: 4/23 or 4/24. Purpose: To use mathematical formulas to predict how a gas will change Warm-up: States of Matter Kinetic Molecular Theory Measurements used in Gas. Gases. Unit 8 Essential Standards: 2.1.5 Chapters 13 & 14

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Wednesday, October 17th

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Grade 7 Science

Grade 7 Science. Unit 2: Heat Chapter 5: Scientists use the Particle Theory of Matter to describe temperature. Matter. Anything that takes up space and has mass. The Particle Theory of Matter... (PTM). All matter is made up of tiny particles.

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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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Topics 4-6 Test Review

Topics 4-6 Test Review. Heat & Temperature. What is an object or a material that can transfer its energy to other objects?. What is the only method of energy transfer that does not require matter?. Radiant energy can be absorbed or ________________ by objects.

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Heating & Cooling Curves

Heating & Cooling Curves. Heat vs. Temperature graphs. Temperature. The differences between solids, liquids and gases can be explained by the particle model: - All substances are made up of particles (atoms, ions or molecules)

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Changes in State

Changes in State. Vapor Pressure observation definition temperature dependence Changes in State enthalpies heating curves Phase Diagrams special points examples. Vapor Pressure. Dfns. pres. of vapor present above a (l) or (s)

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Supercritical Fluid

Supercritical Fluid. as a liquid is heated in a sealed container, more vapor collects causing the pressure inside the container to rise and the density of the vapor to increase and the density of the liquid to decrease

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States of Matter

States of Matter. Mr. Monroe. Chapter 16, Section One ~ States of matter Page 488 to / through 492 Objectives 1. Understand and explain Kinetic Theory 2. Understand the four states of matter i. Gas ii. Liquid iii. Solid iv. Plasma

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Che 113 Chapter 5

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Groundwater

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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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Icy Hot Lab

Icy Hot Lab. Phase Changes of Matter (Physical Science). Pre Lab Discussion. The arrangement of atoms in the three states of matter are drawn as particle diagrams . The 3 parts of particle diagrams represent 3 of our vocabulary words n (the number of particles)= mass (g)

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Conservation of Mass and Energy

Conservation of Mass and Energy. Fundamental laws of physical science. Mass and energy are both conserved. Neither mass nor energy can be created or destroyed. Law of Conservation of Mass. Mass cannot be created or destroyed

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Energy!

Energy!. Matter is anything with mass and volume What then is energy? The capacity to do work or increase the temperature of matter Work is the capacity to move matter over a distance against some resistance. As the box moves up, work is done. This requires energy. Units of Energy.

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Day 10

Day 10. Calculating Energy for Phase Change!. Calculating energy (e) needed to change phase. Where on the graph is a change in phase? Is there a temperature change?. Heating Curve for H2O. Much more energy must be transferred as heat to vaporize water than to melt ice. Heat of Fusion

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Day 7:

Day 7:. Check and go over Specific Heat problems 1,2,&4 Pg5&6 Changes in S tate Notes HW/CW : Pg7. Work on pg 5&6 please! 5-10 minutes. Solid (Low Energy). Gas (High Energy). Liquid (Medium Energy). Changes in State. Heating Curve of Pure Water. CW/HW: Pg . 7.

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Aim: How can one interpret the heating curve for a substance?

Aim: How can one interpret the heating curve for a substance?. Essential Questions : Compare the intermolecular forces of attraction of a substance as a solid; liquid; and a gas. Relate phase change to potential energy and kinetic energy of particles.

241 views • 2 slides