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Summary A-Level Chemistry Notes (A2) CAIE £41.39
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Summary A-Level Chemistry Notes (A2) CAIE
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This is the simplest A-Level Chemistry Notes (A2) CAIE available out there. Made by student for student. Systematically organized & well-summarized from the jumbo coursebook to avoid our learners to become overwhelmed. You may contact the author for clarification and further explanation. You can pr...

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  • December 26, 2022
  • 81
  • 2022/2023
  • Summary

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,This e-book follows the Cambridge International AS & A Level Chemistry
(9701) syllabus.



Copyright © 2022 Thasa Ratha



This e-book solely belongs to the rightful buyer and shall not be disseminated
to non-buyers. No part of this e-book shall be reproduced, distributed or
transmitted in any form or by any means, including photocopying, recording,
or other electronic methods, without the prior written permission of the
author.

, ∆𝑯 ⊖
𝒍𝒂𝒕𝒕 ∆𝑯 ⊖
𝒉𝒚𝒅 ∆𝑯 ⊖
𝒔𝒐𝒍 ∆𝑯 ⊖
𝒂𝒕
𝑵𝒂+ (𝒈) + 𝑪𝒍− (𝒈) → 𝑵𝒂𝑪𝒍(𝒔) 𝑪𝒍− (𝒈) + 𝒂𝒒 → 𝑪𝒍− (𝒂𝒒) 𝑴𝒈𝑪𝒍𝟐 (𝒔) + 𝒂𝒒 ⟶ 𝑴𝒈𝑪𝒍𝟐 (𝒂𝒒)
ALWAYS EXO Enthalpy change
WHEN ONE MOLE


AN IONIC A GASEOUS
IONIC SOLID
COMPOUND ION


∆𝑯 ⊖
𝒍𝒂𝒕𝒕 ∆𝑯 ⊖
𝒔𝒐𝒍

↓ ↑

↑ charge density (CD)
↑ STRONGER IONIC
BOND
More exo (more negative) for smaller size ions &
larger charge




THASA RATHA 1

, 𝚫𝐇𝑬𝑨𝟏




1. ENTHALPY CHANGE
2. when
3. 1 mol of e is added to




𝑬𝑨𝟏 is always exothermic Successive EA is endothermic




IN ONE MOLE
ONE MOLE

𝐸𝐴1 ATTRACTION BETWEEN THE
INCOMING E & NUCLEUS
𝑬𝑨𝟏


THASA RATHA 2

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