tag:blogger.com,1999:blog-79240700794837448492012-02-15T22:33:45.906-08:00Mdm Jennie Launoreply@blogger.comBlogger51100tag:blogger.com,1999:blog-7924070079483744849.post-6686229025956718522011-02-05T22:16:00.001-08:002011-02-10T01:01:31.184-08:00The following was some activities carried out by my students doing "Catalyst factor on Rate of Reaction".<br /><a href="http://3.bp.blogspot.com/_PparoFRSxtc/TU468pEIqrI/AAAAAAAAAKw/qE9uVZ6JqPw/s1600/2011-01-26%2B09-04-43_0048.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="150" src="http://3.bp.blogspot.com/_PparoFRSxtc/TU468pEIqrI/AAAAAAAAAKw/qE9uVZ6JqPw/s200/2011-01-26%2B09-04-43_0048.JPG" width="200" /></a><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/_PparoFRSxtc/TU468_MjzMI/AAAAAAAAAK4/Sw9FvrSvsCw/s1600/2011-01-28%2B07-58-17_0213.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://3.bp.blogspot.com/_PparoFRSxtc/TU468_MjzMI/AAAAAAAAAK4/Sw9FvrSvsCw/s200/2011-01-28%2B07-58-17_0213.JPG" width="200" /></a></div><br /><br /><br /><br /><br /><br /><br /><br />The presence of catalyst will lower the activation energy of a reaction, but at the same time, make sure you all remember that there is no increase in frequency of collision.<br /><br />The increase of rate of reaction is caused by the lowering of activation energy in the reaction.<br />Therefore, there is an increase in frequency of effective collision in the reaction.<br /><br />Check the video of decomposition of hydrogen peroxide solution as below:<br /><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><object width="320" height="266" class="BLOG_video_class" id="BLOG_video-30ebcdcd273c25df" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="movie" value="http://www.youtube.com/get_player"><param name="bgcolor" value="#FFFFFF"><param name="allowfullscreen" value="true"><param name="flashvars" value="flvurl=http://v17.nonxt2.googlevideo.com/videoplayback?id%3D30ebcdcd273c25df%26itag%3D5%26app%3Dblogger%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1331651425%26sparams%3Did,itag,ip,ipbits,expire%26signature%3D6845FD6A600BE1428F73EFC96B12B4CB15F81E76.477D60801BDAE0C79B6DBDC80CD8693687626796%26key%3Dck1&amp;iurl=http://video.google.com/ThumbnailServer2?app%3Dblogger%26contentid%3D30ebcdcd273c25df%26offsetms%3D5000%26itag%3Dw160%26sigh%3DFJAsoNdQbnKG12FXAi9JxYT0OfA&amp;autoplay=0&amp;ps=blogger"><embed src="http://www.youtube.com/get_player" type="application/x-shockwave-flash"width="320" height="266" bgcolor="#FFFFFF"flashvars="flvurl=http://v17.nonxt2.googlevideo.com/videoplayback?id%3D30ebcdcd273c25df%26itag%3D5%26app%3Dblogger%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1331651425%26sparams%3Did,itag,ip,ipbits,expire%26signature%3D6845FD6A600BE1428F73EFC96B12B4CB15F81E76.477D60801BDAE0C79B6DBDC80CD8693687626796%26key%3Dck1&iurl=http://video.google.com/ThumbnailServer2?app%3Dblogger%26contentid%3D30ebcdcd273c25df%26offsetms%3D5000%26itag%3Dw160%26sigh%3DFJAsoNdQbnKG12FXAi9JxYT0OfA&autoplay=0&ps=blogger"allowFullScreen="true" /></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7924070079483744849-668622902595671852?l=f5chemistry.blogspot.com' alt='' /></div>Mdm Jennie Launoreply@blogger.com0tag:blogger.com,1999:blog-7924070079483744849.post-57759570099794701082010-01-27T17:39:00.001-08:002010-01-27T17:51:44.983-08:00Rate of Reaction<br /><br />Photos taken 28/1/2010<br /><br />Class: 5 setia<br /><br />Reaction of sodium thiosulphate and sulphuric acid :<br /><br />Problem: How does the change of temperature of solution of sodium thiosulphate affect the rate of reaction?<br /><br />Find it out!<br /><br /><br />More actions!!<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_PparoFRSxtc/S2Dr4g_z9sI/AAAAAAAAAJ0/Vtsyo2B1Mgw/s1600-h/DSC03236.JPG"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 200px; height: 150px;" src="http://4.bp.blogspot.com/_PparoFRSxtc/S2Dr4g_z9sI/AAAAAAAAAJ0/Vtsyo2B1Mgw/s200/DSC03236.JPG" border="0" alt="" id="BLOGGER_PHOTO_ID_5431600506771601090"></a><br /><br />Videos!<br /><br /><object width="320" height="266" class="BLOG_video_class" id="BLOG_video-143282741f9f468a" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="movie" value="http://www.youtube.com/get_player"><param name="bgcolor" value="#FFFFFF"><param name="allowfullscreen" value="true"><param name="flashvars" value="flvurl=http://v6.nonxt4.googlevideo.com/videoplayback?id%3D143282741f9f468a%26itag%3D5%26app%3Dblogger%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1331651425%26sparams%3Did,itag,ip,ipbits,expire%26signature%3D152589221D846652910C23FF62FC3FBD49072780.24E2E44622B34CC9DA95D3496D276EC21E0A332E%26key%3Dck1&amp;iurl=http://video.google.com/ThumbnailServer2?app%3Dblogger%26contentid%3D143282741f9f468a%26offsetms%3D5000%26itag%3Dw160%26sigh%3DkHI5Q-Ukpa23nnIZjyrvGc-uLGU&amp;autoplay=0&amp;ps=blogger"><embed src="http://www.youtube.com/get_player" type="application/x-shockwave-flash"width="320" height="266" bgcolor="#FFFFFF"flashvars="flvurl=http://v6.nonxt4.googlevideo.com/videoplayback?id%3D143282741f9f468a%26itag%3D5%26app%3Dblogger%26ip%3D0.0.0.0%26ipbits%3D0%26expire%3D1331651425%26sparams%3Did,itag,ip,ipbits,expire%26signature%3D152589221D846652910C23FF62FC3FBD49072780.24E2E44622B34CC9DA95D3496D276EC21E0A332E%26key%3Dck1&iurl=http://video.google.com/ThumbnailServer2?app%3Dblogger%26contentid%3D143282741f9f468a%26offsetms%3D5000%26itag%3Dw160%26sigh%3DkHI5Q-Ukpa23nnIZjyrvGc-uLGU&autoplay=0&ps=blogger"allowFullScreen="true" /></object><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7924070079483744849-5775957009979470108?l=f5chemistry.blogspot.com' alt='' /></div>Mdm Jennie Launoreply@blogger.com0tag:blogger.com,1999:blog-7924070079483744849.post-73430032765140533642009-06-17T23:00:00.000-07:002009-06-17T23:05:37.849-07:00<div><br /><br /><div><br /><br /><br /><div><a href="http://2.bp.blogspot.com/_PparoFRSxtc/SjnYzAZa3-I/AAAAAAAAAIY/DPlAfG2rm6o/s1600-h/rusting+after+2+days.jpg"><img id="BLOGGER_PHOTO_ID_5348544403270721506" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://2.bp.blogspot.com/_PparoFRSxtc/SjnYzAZa3-I/AAAAAAAAAIY/DPlAfG2rm6o/s200/rusting+after+2+days.jpg" border="0" /></a><br /><br /><br /><br /><div>More pictures on day two...</div><br /><br /><a href="http://1.bp.blogspot.com/_PparoFRSxtc/SjnYzMC90gI/AAAAAAAAAIg/fomQrH9vNqc/s1600-h/DSC03010.JPG"><img id="BLOGGER_PHOTO_ID_5348544406397768194" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/SjnYzMC90gI/AAAAAAAAAIg/fomQrH9vNqc/s200/DSC03010.JPG" border="0" /></a><a href="http://1.bp.blogspot.com/_PparoFRSxtc/SjnYzaXsJCI/AAAAAAAAAIo/csSXQ8E_lzA/s1600-h/DSC03009.JPG"><img id="BLOGGER_PHOTO_ID_5348544410242786338" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/SjnYzaXsJCI/AAAAAAAAAIo/csSXQ8E_lzA/s200/DSC03009.JPG" border="0" /></a><br /><br /><div></div><a href="http://4.bp.blogspot.com/_PparoFRSxtc/SjnYzohCDyI/AAAAAAAAAIw/VghpIUJUVIY/s1600-h/DSC03011.JPG"><img id="BLOGGER_PHOTO_ID_5348544414040067874" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://4.bp.blogspot.com/_PparoFRSxtc/SjnYzohCDyI/AAAAAAAAAIw/VghpIUJUVIY/s200/DSC03011.JPG" border="0" /></a><br /><br /><br /><br /><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div>Wow teacher I got the iron nail rusted!!!!</div></div></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7924070079483744849-7343003276514053364?l=f5chemistry.blogspot.com' alt='' /></div>Mdm Jennie Launoreply@blogger.com0tag:blogger.com,1999:blog-7924070079483744849.post-51805092808777006082009-06-16T21:46:00.000-07:002009-06-16T22:12:16.941-07:00Objective: To investigate the effect of other metal on rusting<br /><br />Some photoes for you all to see the blue and the pink colouration...<br /><div><div><div><div><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh5mmGQvqI/AAAAAAAAAHo/fg_1HmyFs0Q/s1600-h/rusting+after+a+day.jpg"><img id="BLOGGER_PHOTO_ID_5348158261471264418" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh5mmGQvqI/AAAAAAAAAHo/fg_1HmyFs0Q/s200/rusting+after+a+day.jpg" border="0" /></a></div><div><br /><br /> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div> </div><div>Result after a day.............</div><div> </div><div> </div><div> </div><div>Some photoes in acition...</div><div> </div><div><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6dzhDnwI/AAAAAAAAAIA/uaDSMMQk3LM/s1600-h/DSC02996.JPG"><img id="BLOGGER_PHOTO_ID_5348159209966116610" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6dzhDnwI/AAAAAAAAAIA/uaDSMMQk3LM/s200/DSC02996.JPG" border="0" /></a><br /><br /><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6delJtII/AAAAAAAAAHw/PASdfWg4aDQ/s1600-h/DSC02998.JPG"><img id="BLOGGER_PHOTO_ID_5348159204346147970" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6delJtII/AAAAAAAAAHw/PASdfWg4aDQ/s200/DSC02998.JPG" border="0" /></a><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6eepNzlI/AAAAAAAAAIQ/SKYloPsnEnQ/s1600-h/DSC02999.JPG"><img id="BLOGGER_PHOTO_ID_5348159221543063122" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6eepNzlI/AAAAAAAAAIQ/SKYloPsnEnQ/s200/DSC02999.JPG" border="0" /></a><br /><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6eH-OSYI/AAAAAAAAAII/EZLS1EQRmE8/s1600-h/DSC03000.JPG"><img id="BLOGGER_PHOTO_ID_5348159215457159554" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh6eH-OSYI/AAAAAAAAAII/EZLS1EQRmE8/s200/DSC03000.JPG" border="0" /></a><br /></div><div></div><div><a href="http://3.bp.blogspot.com/_PparoFRSxtc/Sjh6drF-X7I/AAAAAAAAAH4/SaSqlEV1-BU/s1600-h/DSC02997.JPG"><img id="BLOGGER_PHOTO_ID_5348159207705042866" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 200px; CURSOR: hand; HEIGHT: 150px" alt="" src="http://3.bp.blogspot.com/_PparoFRSxtc/Sjh6drF-X7I/AAAAAAAAAH4/SaSqlEV1-BU/s200/DSC02997.JPG" border="0" /></a><br /><br /><br /><br /><br /><br /></div><div> </div><div><br /><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /><br /></div><div><a href="http://1.bp.blogspot.com/_PparoFRSxtc/Sjh5mmGQvqI/AAAAAAAAAHo/fg_1HmyFs0Q/s1600-h/rusting+after+a+day.jpg"></a> </div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /> </div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div></div><div><br /><br /><br /><br /><br /></div><div><br /><br /><br /><br /><br /></div><div></div></div></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7924070079483744849-5180509280877700608?l=f5chemistry.blogspot.com' alt='' /></div>Mdm Jennie Launoreply@blogger.com0tag:blogger.com,1999:blog-7924070079483744849.post-86467432205326991482009-05-21T00:48:00.000-07:002009-05-21T01:07:19.782-07:00<div><br /></div>Hi, everyone!  Today, the Guru Chemistry brings you more tales from the lab... check it out!<br /><br />The topic for today is about...........Redox Reaction<div><br /></div><br /><div>Learning redox through experimenting....</div><div><br /></div><div>1.  Investigating the oxidation and reduction of iron (II) ions and iron (III) ions</div><div><br /></div><div>Knowing the colour well before started.</div><br /><div><img src="http://1.bp.blogspot.com/_PparoFRSxtc/ShUJTNFFzWI/AAAAAAAAAGY/4j71OnbQklY/s200/DSC02731.JPG" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 150px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338183158850768226" /></div><div><img src="http://3.bp.blogspot.com/_PparoFRSxtc/ShUJTMlLikI/AAAAAAAAAGg/EVUajCfnjvA/s200/DSC02733.JPG" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 150px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338183158716926530" /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div>                                 </div><div>                      I get the brown solution from the green one!</div><div><br /></div><div><br /></div><div>2.  Investigating displacement reaction of metal from its solution.</div><div><img src="http://4.bp.blogspot.com/_PparoFRSxtc/ShUIqxsRE-I/AAAAAAAAAGQ/8TUyZy237Fs/s200/DSC02740.JPG" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 150px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338182464304124898" /></div><div><img src="http://4.bp.blogspot.com/_PparoFRSxtc/ShUIqlBGgaI/AAAAAAAAAGI/wVOxnDMSy-8/s200/DSC02736.jpg" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 150px; height: 200px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338182460901851554" /></div><div><img src="http://1.bp.blogspot.com/_PparoFRSxtc/ShUIqhkn8WI/AAAAAAAAAGA/VxiCJNYSLKI/s200/DSC02737.JPG" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 150px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338182459977101666" /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div>    Please check on  me!</div><div><br /></div><div><br /></div><div><br /></div><div>3.  Investigating transfer of electrons at a distance in a reaction.</div><div><br /></div><div><br /></div><div><img src="http://2.bp.blogspot.com/_PparoFRSxtc/ShUKbXlZ2yI/AAAAAAAAAGo/q485VgGWh-I/s200/DSC02727.JPG" style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 150px;" border="0" alt="" id="BLOGGER_PHOTO_ID_5338184398621236002" /><img src="http://3.bp.blogspot.com/_PparoFRSxtc/ShUKbvMB6CI/AAAAAAAAAG4/0FfcsdCHwcU/s200/DSC02728.JPG" border="0" alt="" id="BLOGGER_PHOTO_ID_5338184404957259810" style="float: left; margin-top: 0px; margin-right: 10px; margin-bottom: 10px; margin-left: 0px; cursor: pointer; width: 200px; height: 150px; " /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7924070079483744849-8646743220532699148?l=f5chemistry.blogspot.com' alt='' /></div>Mdm Jennie Launoreply@blogger.com0