'Weak electrolyte' diaporamas de présentation

Chapter 2

Chapter 2. NUTRIENT GENERAL CHEMISTRY AND PLANT FUNCTION. What nutrients do plants need?. Plants require 16 nutrients; each is a chemical element Plants do not require organic matter, enzymes or hormones as nutrients taken up from the soil.

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Chapter 17: Additional Aspects of Aqueous Equilibria

Chapter 17: Additional Aspects of Aqueous Equilibria. Section 1: The Common Ion Effect. Objectives. When you complete this presentation, you will be able to describe the common ion effect. Introduction. Water is the most common and most important solvent on Earth.

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Solution

SAMPLE EXERCISE 4.1 Relating Relative Numbers of Anions and Cations to Chemical Formulas. The diagram below represents an aqueous solution of one of the following compounds: MgCl 2 , KCl, or K 2 SO 4 . Which solution does it best represent?.

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Acid-base theory pH calculations

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Section 4.1 and 4.2 Types of Chemical Reactions and Aqueous Solutions

Section 4.1 and 4.2 Types of Chemical Reactions and Aqueous Solutions.

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Properties of Water

Properties of Water. Water is polar: Oxygen is more electronegative than Hydrogen. Creates partial (+) charges at the hydrogen atoms & a partial (-) charge at the oxygen atom. Hydrogen bonds form between water molecules.

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Chapter 17: Additional Aspects of Aqueous Equilibria

Chapter 17: Additional Aspects of Aqueous Equilibria. AP Chem 2019. Chapter 17 Problem Set. Chapter 17 Topics. 17.1 Common Ion Effect 17.2 Buffers 17.3 Titrations! 17.4 Solubility Equilibria 17.5 Factors of Solubility 17.6 Precipitation and Separation of Ions. 17.1 Common Ion Effect.

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Solution Conductivity

Solution Conductivity. Guiding Questions. What is meant by dissociation? What is the molecular arrangement of water molecules?. A. Definitions. Solution - homogeneous mixture. Solute - substance being dissolved. Solvent - present in greater amount.

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24.6 The conductivities of electrolyte solutions

24.6 The conductivities of electrolyte solutions. Conductance (G, siemens) of a solution sample decreases with its length l and increases with its cross-sectional area A: k is the conductivity (Sm -1 ). Molar conductivity, ? m , is defined as: c is the molar concentration

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Section 4.1

Section 4.1. General Properties of Aqueous Solutions. Solution. Solvent. Solute. S olution- homogenous mixture of 2 or more substances. S olute - substance present in the smaller amount. Solvent - substance present in the larger amount. H 2 O. Soft drink ( l ). Sugar, CO 2. Air ( g ).

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Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations

Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations. Experiment 21 Page 227 Dr. Scott Buzby , Ph.D. Objectives. To become familiar with writing equations for metathesis reactions Understand the difference between molecular, ionic and net ionic equations

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Acids and Bases

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Solutions

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