September 2015 Mole Concept

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    GODFREY STEWART HIGH SCHOOL

    CHRMISTRY DEPARTMENT LESSON PLAN

    Subject: Chemistry Term: 1

    Topic: Mole Concept Volumetric Analysis Date: October 29 o!ember "2# 2"12

    $ra%e: 11 Science Duration:12" mins

    Students will engage in:

    &airin' ( Visuals Simulation

    &eer tutorin' ( )ecture ( *hole 'roup instruction

    ( Cooperati!e learnin' A project ( Technolo'y inte'ration

    ( +n%epen%ent acti!ities ,an%s-on Other:

    General Objectives:

    1. Demonstrate an un%erstan%in' o/ the moles as the unit /or comparison o/ amounts o/ matter

    Specific Objectives: Students will be able to

    1. &er/orm aci% base titrations.

    2. &er/orm calculations base% on the results /rom aci%-base an% re%o( titrations.

    Lesson connections to previous! e"rne# $"teri"%

    Stu%ents 0ill use their no0le%'e o/ concentration to apply to calculations 0ith titrations.

    Intro#uction Te"c&in'

    str"te'ies(Activit!

    M"teri"s(Te)t Re*erences

    Titrations are use% to %etermine unno0ns inreactions in!ol!in' !olumes o/ solutions. +t

    comprises o/ a stan%ar% solution 0ith no0n

    concentration an% a solution 0ith an unno0n

    solution. The reaction bet0een an aci% an% abase is no0n as a neutralisation reaction.

    Class %iscussionVisualisation

    Class acti!ity

    Chemistry /or CSC. SarahChapman. Dianne )utti'. 3.

    Murray. . 4itchie. A. Tin%al

    elson Thornes.5nite%

    6in'%om. 2""9.&'. 1"7.

    Ne+ M"teri"

    eutralisation reactions are e(othermic an% they

    usually pro%uce a salt an% 0ater. i.e.

    Aci% 8 base - salt 8 0ater.

    An in%icator is use% to %etermine the en% point

    o/ the reaction. The temperature o/ the reaction

    may also be use% to %etermine the en% point.

    )ecture

    $roup %iscussion

    Class acti!ity

    Te(tboo

    Ne+ M"teri"

    Titrations can be per/orme% usin' o(i%ation

    re%uction reactions. The colour chan'es 0hichcertain ions un%er'o 0hen they are o(i%ise% or

    re%uce% is use% to %etermine the en% point o/ the

    titration. .'. 6MnOis purple in aci% solutionsbut 0ill turn colourless 0hen it is re%uce% /rom

    Mn;8to Mn28.

    Class %iscussion

    Class acti!ity+n%i!i%ual Acti!ity

    Chemistry /or CSC. Sarah

    Chapman. Dianne )utti'. 3.Murray. . 4itchie. A. Tin%al

    elson Thornes.5nite%

    6in'%om. 2""9.&'. 1"

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    Lesson rec"p% Stu%ents 0ill use the mole concept to complete calculations 0ith aci% base titrations an% re%o(titrations.

    Ho$e+or, Given% Stu%ents 0ill complete e(ercise in te(tboo# pa'e 1";. =uestion 1-2. Stu%ents 0ill also reaabout conser!ation o/ materials in the en!ironment.

    Ev"u"tion%