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1 Objective Questions 4 Matter 1. Alpha particles, 2 He2+, are emitted when a radioactive nucleus disintegrates. Which of the following species has the same number of electrons…

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Stoichiometry Equations on a Macroscopic Scale N 2 3H 2 p 2N H 3 On a microscopic scale. this means ¨ 1 molecule ¸ ¨ 3 molecules ¸ ¨ 2 molecules ¸ ¹ © ¹© ¹p©…

Documents Chapter 15 Applying equilibrium. The Common Ion Effect l When the salt with the anion of a weak acid...

Slide 1Chapter 15 Applying equilibrium Slide 2 The Common Ion Effect l When the salt with the anion of a weak acid is added to that acid, l It reverses the dissociation of…

Documents Additional Aspects of Aqueous Equilibria. Aspects of Aqueous Equilibria: The Common Ion Effect Salts...

Slide 1Additional Aspects of Aqueous Equilibria Slide 2 Aspects of Aqueous Equilibria: The Common Ion Effect Salts like sodium acetate are strong electrolytes NaC 2 H 3 O…

Documents Mole Calculations West Midlands Chemistry Teachers Centre Tuesday 23rd November 2010 Presenter: Dr.....

Slide 1Mole Calculations West Midlands Chemistry Teachers Centre Tuesday 23rd November 2010 Presenter: Dr Janice Perkins Slide 2 Fe 2 O 3 (s) + 3CO(g) 2Fe(s) + 3CO 2 (g)…

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1.AQUEOUS EQUILIBRIA II • • • • •19-1Common Ion Effect Buffer Solutions Net Ionic Equations Chapter 16.1-16.9 (MF) Chapter 4.2; 19.1-19.2 (Silberberg)2. Chapter…

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1. ENTHALPY CHANGESMeasuring and ExpressingΔH (Calorimetry)OLEH :PUTRI ROSIDA R8136141008 2. Introduction We have been introduced to heat producing(exothermic) reactions…

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Part 8 Chemical Reactions and Energy/Page.1 HKAL Past Paper Questions: Part 8 Chemical Reactions and Energy 1. [HKAL 1985 II Q2a ] A form 6 student carried out the following…

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Titrations Main Idea: Titrations are an application of acid-base neutralization reactions that require the use of an indicator. * Stoichiometry The stoichiometry of an acid-base…

Documents Basic Chemistry Copyright © 2011 Pearson Education, Inc. 1 Chapter 9 Chemical Quantities in...

Slide 1Basic Chemistry Copyright © 2011 Pearson Education, Inc. 1 Chapter 9 Chemical Quantities in Reactions 9.3 Limiting Reactants A ceramic brake disc in a sports car…