Download - PPT Exoterm dan Endoterm
![Page 1: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/1.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 1/19
THERMOCHEMISTRY
Principle of
Conservation Energy,System,
Environment,Exothe
rmic anEnothermic
Reaction
![Page 2: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/2.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 2/19
Learning Objectives
After this meeting, you are able to :
•Explaining about principle conservationenergy
•Describing about system and environment•dentifying the endothermic and exothermic
reaction correctly
•Explaining the endothermic and exothermicreaction correctly
•!ention examples of endothermic andexothermic reaction in daily life correctly"
![Page 3: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/3.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 3/19
TERMOKIMIA
SISTEM : Sesuatu yang menjadi pusat perhatianSISTEM : Sesuatu yang menjadi pusat perhatian
kita dalam hal ini adalah seluruh proseskita dalam hal ini adalah seluruh proses
kimia yang terjadi.kimia yang terjadi.
LINGKUNGN : Sesuatu diluar sistem.LINGKUNGN : Sesuatu diluar sistem.
• Hukum kekekalan energi ! H"#"m ITermoinami#a
• Perubahan energi bisa berupa pelepasan
energi atau penyerapan energi.
![Page 4: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/4.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 4/19
#hat is the system on this picture $$
#hat is the
environment ofthat system $$
![Page 5: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/5.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 5/19
![Page 6: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/6.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 6/19
Endothermic %eaction
• Endothermic reaction is absorb theheat from environment to thesystem, Environment
System
Heat
Absorbed
Endothermic Reaction
![Page 7: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/7.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 7/19
Endothermic %eaction
![Page 8: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/8.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 8/19
Endothermic %eaction
• &he 'nal enthalpy of reaction lo(erthan initial enthalpy of reaction)*reactant + *product
&he changing of enthalpy is positive -* . *product / *reactant
• Endothermic reactions decrease intemperature
![Page 9: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/9.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 9/19
Exothermic %eaction
• Exothermic reaction is release theheat from system to theenvironment"
9
EnvironmentSystem
Heat
Released
Exothermic Reaction
![Page 10: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/10.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 10/19
Exothermic %eaction
![Page 11: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/11.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 11/19
Exothermic %eaction
• &he initial enthalpy of reaction lo(erthan 'nal enthalpy of reaction)*reactant 0 *product"
&he changing of enthalpy is negative
• Exothermic reactions increase intemperature"
![Page 12: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/12.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 12/19
• #hat happen to
the ice in theglass$
• s it absorb or
release heat$• #hat do you feel
(hen you touched
the glass$• s it Endothermic
or Exothermic
reaction$
![Page 13: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/13.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 13/19
Experiment
$o ExperimentExperiment Res"lt
Concl"sion
%efore &fter
1" 12st experiment
)!g ribbon 3 *4l 1!
solution
5" 52nd experiment
)6aO* solution 3 *4l 1!
solution
7" 72rd experiment
)8a)O*5 3 6*94l 3
auadest
9" 92th experiment
)fertili;er 3 auadest
![Page 14: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/14.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 14/19
< = >
' ?ada saat !agnesium @ulfat dilarutandalam air, terjadi enaian temperatur"*al ini disebaban arena pada saat reasiberlangsung, energy pada produ lebihtinggi daripada energy pada reactant"
%easi apa yang terjadi$Esoterm atau Endoterm$8agaimana perubahan
entalpinya$
![Page 15: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/15.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 15/19
' ?ada reasi alsium clorida terjadipenurunan harga entalpi, arena padasaat reasi, terjadi pelepasan alor"
%easi apa yang terjadi$Apa yang terjadi dengan
perubahantemperatuenya$
< = >
![Page 16: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/16.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 16/19
< = >
' 8oras dilarutan dengan air yangmempunyai temperature a(al 7BC4"@etelah reasi terjadi, temperaturnya
berubah menjadi 7C4"
' %easi apaah yang
sedang berlangsung$' 8agaimanaah
perubahan entalpinya$
![Page 17: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/17.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 17/19
' Apabila energi reatan lebih ecildaripada energi produ, reasiapaah yang terjadi$
< = >
![Page 18: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/18.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 18/19
< = >
' ?ada pratium yang telah anda erjaan,sebutan reasi yang merupaan endoterm danesoterm
$o Experiment Conition
1" 12st
experiment)!g ribbon 3 *4l 1! solution
5" 52nd experiment
)6aO* solution 3 *4l 1! solution
7" 72rd experiment
)8a)O*5 3 6*94l 3 auadest
9" 92th experiment
)fertili;er 3 auadest
![Page 19: PPT Exoterm dan Endoterm](https://reader030.vdocuments.net/reader030/viewer/2022020715/5695d54a1a28ab9b02a4ca47/html5/thumbnails/19.jpg)
7/24/2019 PPT Exoterm dan Endoterm
http://slidepdf.com/reader/full/ppt-exoterm-dan-endoterm 19/19