'Liquid mercury' diaporamas de présentation

Putting Into Place the BMPs for Amalgam Waste

Putting Into Place the BMPs for Amalgam Waste. Frederick Eichmiller, DDS VP & Science Officer Delta Dental of Wisconsin. Amalgam. Material A mixture of elemental mercury with powdered silver-tin-copper alloy Mercury combines with silver and tin to form stable strong intermetallic compounds.

1.48k views • 106 slides

8 TH GRADE ENERGY UNIT

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Chapter: Chemical Reactions

Table of Contents. Chapter: Chemical Reactions. Section 1: Chemical Changes. Section 2: Chemical Equations. Section 3: Classifying Chemical Reactions. Section 4: Chemical Reactions and Energy. Chemical Changes. 1. Describing Chemical Reactions.

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Head for Understandable Description of Matter and Forces at the Most Fundamental Level

N. Head for Understandable Description of Matter and Forces at the Most Fundamental Level. N. Particles and Forces tell us about the beginning of the Universe. Is this a Belief System?. NO! Science does use the beauty of ideas, but ultimately relies on EXPERIMENT!!.

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HEAVY METALS

HEAVY METALS. (IAQ). Introduction. Heavy metals are toxic to human health Most common heavy metals are lead(Pb), mercury(Hg), cadmium(Cd) and arsenic(As) Indoor concentration of heavy metals is generally less than their outdoor concentration

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Chemical Reactions

Chemical Reactions. Chemical Reactions are all around us. Describing Chemical Reactions. c hemical change - rearrangement of atoms to form a new substance. Has new chemical and physical properties. Evidences of a Chemical Reaction. Produce a gas Produce a solid (precipitate)

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Ch. 5 Gases

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DENSITY

DENSITY . D = m/v (g/cm 3 ) Mass usually expressed in grams Volume usually expressed in cm 3 or liters, etc. Density. Density = amount of matter per unit volume Density is the ratio of mass to volume If the volume stays the same and the mass increases . . . the density will increase

711 views • 29 slides

DENTAL AMALGAM

DENTAL AMALGAM. Dr.linda Maher. WHAT IS AMALGAM??. Amalgam is a special type of alloy in which mercury is one of the components. used in dentistry as a restorative material. MERCURY. MERCURY: it is a chemical heavy, silvery element with the symbol (Hg)

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Measurement

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Chemical Reactions

Chemical Reactions. Chapter 21. Describing Chemical Reactions. Chemical reactions are taking place all around you and even within you. A chemical reaction is a change in which one or more substances are converted into new substances. A chemical reaction occurs when you bake a cake.

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Ch. 23 Chemical Reactions

Section 1 Chemical Reactions. Ch. 23 Chemical Reactions. Describing Chemical Reactions. Chemical reactions are taking place all around you and even within you. CHEMICAL REACTION is a change in which one or more substances are converted into new substances.

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3/15/12 - Bellringer

3/15/12 - Bellringer. What kind of reactions can you think of? (Think outside the box!) Turn in 4 bellringers from this week when finished. Objectives. 1. Identify the reactants and products in a chemical reaction.

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Chemistry and Society

Chemistry and Society. History of Chemistry. Fall 2011 Dr. Victor Vilchiz. Alchemy. Is in essence the ancestor of modern chemistry Alchemy was more than a science It was a philosophy A way of life Alchemists strived to reach pureness and perfection.

968 views • 19 slides

Mercury in Your Home

Mercury in Your Home. Mercury in Your Home. Thermostats Dental amalgams Light switches Thermometers. Fluorescent lights Batteries Appliance switches Toys. Knowing which products contain mercury and handling them properly will limit the risk of mercury exposure.

256 views • 14 slides

Chinese Water Clocks

Chinese Water Clocks. Due: Oct. 19 By: Deonte Williams. Ancient Water Clocks. A Chinese is an ancient time measuring apparatus by the amount of dripping water. In China, water clocks are very important of astronomy and astrology. . The Oldest Dates.

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Chapter 21 Section 1

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Mercury Disposal Options

Mercury Disposal Options. Mercury Disposal Options. Recycling Safely remove/reuse Hazardous Waste Cannot safely remove/reuse. Mercury Disposal Options. Household Hazardous Waste Collection Programs communities and counties couple times per year Allow environmentally safe disposal

261 views • 5 slides