'Litmus paper' diaporamas de présentation

Lab Equipment

Lab Equipment. Erlenmeyer Flask. Erlenmeyer flasks hold solids or liquids that may release gases during a reaction or that are likely to splatter if stirred or heated. Florence Flask.

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Lab Equipment

Lab Equipment. Test Tube Racks. Test tube racks are for holding and organizing test tubes on the laboratory counter. Plastic racks may melt in contact with very hot test tubes. Test Tubes. 13 x 100 mm test tubes. Ignition tube. 10 x 75 mm test tubes. Test Tube Brushes.

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Lab Equipment

Lab Equipment. Beaker. Beakers are the most versatile glassware in the lab and can be used for just about anything. The volume graduations on beakers should be used only for "ballpark" estimates. Beaker Brush. Beaker brush are used to clean beakers. Erlenmeyer Flask.

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Lab Equipment

Lab Equipment. Beaker. Beakers hold solids or liquids that will not release gases when reacted or are unlikely to splatter if stirred or heated. Erlenmeyer Flask.

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Compounds and Mixtures

Compounds and Mixtures. Q1. What is the smallest particle of an element called?. A1. An atom. Q2. What contains only one type of atom and is found on the periodic table?. A2. An element. Q3. What contains two or more elements chemically combined?. A3. A compound.

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Lab Equipment

Lab Equipment. Beaker. Beakers hold solids or liquids that will not release gases when reacted or are unlikely to splatter if stirred or heated. Erlenmeyer Flask.

382 views • 31 slides

Hydrogen Ions and Acidity

Hydrogen Ions and Acidity. The Ionization of Water and pH. Objectives. When you complete this presentation, you will be able to: describe the autoionization of water determine the hydrogen ion concentration in water when given the hydroxide ion concentration in water

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Acids and Bases

Acids and Bases. Property of some aqueous solutions is their ability to act as an acid or base. Acids and Bases. Acids and bases play an important part in our lives. Proper acidity of our blood and other body fluids is vital to our health Many products we use are acidic

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Acids and Alkali

Acids and Alkali. By: See Tow Ting Yang (1A222) Reinvs Loh (1A216) Andrew Tan (1A225). Agenda. What are acids? What are alkalis? Litmus paper Reactions Indicator. What are acids?. Properties of acids -Sour taste -Able to conduct electricity -Corrosive if concentrated

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Acids and Bases

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1.2 Acids and Bases

1.2 Acids and Bases. p. 191-195. What can you tell me about acids and bases?. Anything about the pH scale?. Alkaline is another name for a base. acid/base intro video. 1.2 Acids and Bases. pH scale- indicates the acidity of a solution

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pH and Indicators

pH and Indicators. Chemistry Mrs. Coyle. Basic 14>ph>7. Neutral ph=7. Acidic 1<pH<7. Self Ionization of H 2 O. H 2 O ?? H + (aq) + OH - (aq) Ion Product Constant K w for Water: K w = [H + ] x [OH - ] =1.0 x 10 -14. For pure H 2 O.

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Acids and Bases Chapter 14/15

Acids and Bases Chapter 14/15. Brendan Thomas Justin Simmons Sam Choi Alina Wieprecht. Properties. Acids. Bases. Sour Taste Conduct electricity React with many metals to produce H2 Turn litmus paper red Start with H (HCl, etc) Lemons, oranges, grapefruits . Bitter taste

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Introduction to Acids and Bases

Introduction to Acids and Bases. Science 10. Introduction to Acids . Do your muscles ever feel sore after a heavy workout? If so, you can blame a buildup of lactic acid in your muscles. Lactic acid is a by-product of cell metabolism when too little oxygen is available.

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CHEMISTRY

CHEMISTRY. Mrs. Huls. CHEMISTRY. Atoms. Found in EVERYTHING! Very, very, very small particles. Parts of an Atom. Nucleus Proton (positive charge) + Neutron (neutral or no charge) O Electron Cloud Electron (negative charge) -. The Periodic Table of Elements. 109 known elements

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Acids/Bases- Sec. 3.2

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Acids & Bases

Acids & Bases. Strength & Neutralization. Acid Strength. Strong Acids - completely ionize in an aqueous solution Ex. HCl , H 2 SO 4 Weak Acids - only slightly ionize in an aqueous solution. Base Strength.

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Ch. 24

Ch. 24. Acids, Bases and Salts. Acids. Acid- a substance that produces hydrogen ions in a water solution.(H+) Common Properties of Acids: Sour taste, corrosive, cause burns, react strongly with some metals. Common Acids: See pg 697 (chart) Copy into Notes!!!!!!. Bases.

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How can we identify acids and alkalis?

How can we identify acids and alkalis?. Lesson Aims- To understand how to test for acids and alkalis. To use indicators to test acids and alkalis. How can we tell if something is acid or alkali?. We cannot tell if something is acid or alkali just by looking at it.

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Section 7-3

Section 7-3. Describing Acids and Bases. Properties of Acids. Sour Taste (i.e. lemons) Reaction with Metals (i.e. mossy zinc in hydrochloric acid) Reaction with carbonates (vinegar and baking soda) Reactions with indicators (turns litmus paper red). Properties of Bases.

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