Difference between revisions of "GChemPaint/C2/Formation-of-molecules/English-timed"

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(Created page with '{|border=1 |'''Time''' |'''Narration''' |- |00:01 |Hello everyone |- |00:02 |Welcome the tutorial on '''Formation of molecules''' in '''GChemPaint.''' |- |00:08 |In this tutor…')
 
 
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|Hello everyone
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|Hello everyone.Welcome the tutorial on '''Formation of molecules''' in '''GChemPaint.'''
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|00:02
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|Welcome the tutorial on '''Formation of molecules''' in '''GChemPaint.'''
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|In this tutorial, we will learn to
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|In this tutorial, we will learn to-
  
 
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|* Add and modify structure of compounds
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| Add and modify structure of compounds
  
 
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|00:14
 
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|* Change current element
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| Change current element
  
 
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|* Add Alkyl groups
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| Add Alkyl groups
  
 
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|* Add and modify carbon chain
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| Add and modify carbon chain
  
 
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|Here I am using '''Ubuntu Linux''' OS version. 12.04 '''GChemPaint''' version 0.12.10
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|Here I am using '''Ubuntu Linux''' OS version. 12.04 '''GChemPaint''' version 0.12.10.
  
 
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|To follow this tutorial you should be familiar with,
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|To follow this tutorial you should be familiar with
  
 
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|Click on the terminal atoms to replace them with '''Cl''' atoms.
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|Click on the terminal atoms to replace them with '''Clorine (Cl)''' atoms.
  
 
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|Place the cursor near the central atom of the '''Propane''' structure.
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|Place the cursor near the central atom of '''Propane''' structure.
  
 
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|Likewise I will number the other chain positions as 3, 4, 5, 6 and 7.
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|Likewise, I will number the other chain positions as 3, 4, 5, 6 and 7.
  
 
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|Observe the change in the atoms.<Pause>
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|Observe the change in the atoms.
  
 
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|Likewise I will display atoms at other positions.
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|Likewise, I will display atoms at other positions.
  
 
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|To save the file, Press '''CTRL+ S.'''
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|To save the file, press '''Ctrl+ S.'''
  
 
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|'''Save as dialog box,''' opens.
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|Click on ''' Save''' button.<PAUSE>
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|Let's Summarize what we have learnt.
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|Let's summarize what we have learnt.
  
 
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|In this tutorial we have learnt to,
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|In this tutorial we have learnt to:
  
 
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|* Add and modify structure of compounds
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| Add and modify structure of compounds
  
 
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|* Change current element
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| Change current element
  
 
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|* Add '''Alkyl groups'''
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| Add '''Alkyl groups'''
  
 
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|* Add and modify carbon chain
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| Add and modify carbon chain
  
 
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|As an assignment,
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|As an assignment,Draw '''Octane''' structure .
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|Draw '''Octane''' structure .
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|Add '''Propyl''' and '''Butyl''' groups at the fourth and fifth positions of the chain.
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| Add '''Propyl''' and '''Butyl''' groups at the fourth and fifth positions of the chain.
  
 
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|Watch the video available at this URL '''http://spoken-tutorial.org/What_is_a_Spoken_Tutorial'''
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|Watch the video available at this URL '''http://spoken-tutorial.org/What_is_a_Spoken_Tutorial'''.
  
 
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|It summarises the Spoken Tutorial project
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|It summarizes the Spoken Tutorial project.
  
 
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|If you do not have good bandwidth, you can download and watch it  
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|If you do not have good bandwidth, you can download and watch it.
  
 
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|07:42
 
|07:42
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|The Spoken Tutorial Project Team Conducts workshops using spoken tutorials
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|The Spoken Tutorial Project Team: Conducts workshops using spoken tutorials.
  
 
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|07:47
 
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|Gives certificates to those who pass an online test  
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|Gives certificates to those who pass an online test.
  
 
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|07:51
 
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|For more details, please write to '''contact@spoken-tutorial.org'''  
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|For more details, please write to '''contact@spoken-tutorial.org'''.
  
 
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|07:57
 
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|Spoken Tutorial Project is a part of the Talk to a Teacher project  
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|Spoken Tutorial Project is a part of the Talk to a Teacher project.
  
 
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|08:02
 
|08:02
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|It is supported by the National Mission on Education through ICT, MHRD,  
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|It is supported by the National Mission on Education through ICT, MHRD, Government of India.
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Government of India
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|This is '''Madhuri Ganpathi''' from '''IIT Bombay''' signing off. Thank you for joining.
 
|This is '''Madhuri Ganpathi''' from '''IIT Bombay''' signing off. Thank you for joining.
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Latest revision as of 17:28, 7 March 2017

Time Narration
00:01 Hello everyone.Welcome the tutorial on Formation of molecules in GChemPaint.
00:08 In this tutorial, we will learn to-
00:11 Add and modify structure of compounds
00:14 Change current element
00:16 Add Alkyl groups
00:18 Add and modify carbon chain
00:21 Here I am using Ubuntu Linux OS version. 12.04 GChemPaint version 0.12.10.
00:33 To follow this tutorial you should be familiar with
00:38 GChemPaint chemical structure editor.
00:41 If not, for relevant tutorials, please visit our website.
00:47 Here is slide for the structures of Propane, Butane and Heptane.
00:54 I have opened a new GChemPaint application with Propane and Butane structures as shown in the slide.
01:03 Let's replace the terminal Carbon atoms in Butane structure with Chlorine atoms.
01:10 For this I will use Periodic table combo button.
01:15 Click on the Current element drop-down arrow button.
01:19 This button is known as Periodic table combo button.
01:23 Observe the built-in Modern periodic table.
01:27 Click on Cl from the table.
01:30 Observe Cl in the tool box.
01:33 Click on Add or modify an atom tool.
01:37 Click on the terminal atoms to replace them with Clorine (Cl) atoms.
01:43 The new structure obtained is 1,2-Dichloroethane.
01:48 Let's write its name below the structure.
01:52 Click on Add or modify a text tool.
01:56 Text tool's property page opens.
01:59 Click on the Display area below the structure.
02:03 You can see the blinking cursor enclosed in a green box.
02:08 Type 1,2-Dichloroethane in the box .
02:14 Click on Select one or more objects tool, to close the text tool's property page.
02:21 Next let's replace the central Carbon atom in Propane structure with Oxygen atom.
02:28 Place the cursor near the central atom of Propane structure.
02:33 Press capital O.
02:35 A Sub-menu with O and Os opens.
02:39 Select O.
02:40 Carbon and Hydrogen atoms will be replaced by Oxygen atom.
02:46 The new structure obtained is Dimethylether.
02:51 Let's write its name below the structure.
02:54 Click on Add or modify a text tool.
02:58 Click on the Display area below the structure.
03:01 Type Dimethylether in the box.
03:06 Let's save the file now.
03:08 Click on Save the current file icon on the toolbar.
03:12 Save as dialog box opens.
03:15 Enter the file name as Chloroethane-ether.
03:20 Click on Save button.
03:23 Let's Click on Close button to close the window.
03:27 Here is an assignment.
03:29 Draw 'Ethane and Pentane structures.
03:32 Replace one Carbon atom of Ethane with Br.
03:36 Replace the terminal Carbon atoms of Pentane with I.
03:41 Your completed assignment should look like this.
03:45 Now I will explain about Alkyl groups.
03:49 Alkyl group is a fragment of Alkane.
03:53 For example: Methyl CH3 is a fragment of Methane CH4
04:00 Successive members of an Alkyl group differ by a CH2 group.
04:06 Homologues of the Alkyl group series include,
04:10 Methyl CH3
04:15 Ethyl C2H5
04:20 Propyl C3H7
04:23 Butyl C4H9 and so on.
04:29 I have opened a new GChemPaint application with Heptane structure.
04:35 Now I will demonstrate how to number the carbon chain positions.
04:40 Numbering helps to identify the chain positions.
04:44 Click on Add or modify a text tool.
04:48 Click on the Display area near the first chain position.
04:52 Enter 1 in the green box.
04:55 Next, click near the second chain position.
04:59 Enter 2 in the box.
05:02 Likewise, I will number the other chain positions as 3, 4, 5, 6 and 7.
05:13 Now let's branch Heptane using Alkyl groups at various positions.
05:19 Let us add a Methyl group to the third position.
05:24 Click on Add a bond or change the multiplicity of existing one tool.
05:30 Click on the position.
05:32 Observe the change in the atoms.
05:36 Let us add an Ethyl group on the fifth position.
05:40 Click on Add a chain tool.
05:43 Click on the position.
05:46 Next I will display atoms on all positions.
05:51 Right-click on the position.
05:53 A Submenu opens.
05:55 Select Atom and then click on Display symbol.
05:59 Likewise, I will display atoms at other positions.
06:06 Let's see how many times we can branch at one position.
06:12 Click on Add a bond or change the multiplicity of existing one tool.
06:18 Click on the fourth position.
06:21 Click again.
06:23 Observe the branching in the Carbon chain.
06:27 Try to click for the third time.
06:30 We do not see the branching.
06:33 Note that branching is possible only twice at each position.
06:39 This is because it satisfies Carbon's tetra valency.
06:43 To save the file, press Ctrl+ S.
06:47 Save as dialog box opens.
06:50 Enter the file name as Alkyl Groups.
06:53 Click on Save button.
06:57 Let's summarize what we have learnt.
07:00 In this tutorial we have learnt to:
07:03 Add and modify structure of compounds
07:07 Change current element
07:09 Add Alkyl groups
07:12 Add and modify carbon chain
07:15 As an assignment,Draw Octane structure .
07:18 Add Propyl and Butyl groups at the fourth and fifth positions of the chain.
07:25 Your completed assignment should look like this.
07:29 Watch the video available at this URL http://spoken-tutorial.org/What_is_a_Spoken_Tutorial.
07:33 It summarizes the Spoken Tutorial project.
07:38 If you do not have good bandwidth, you can download and watch it.
07:42 The Spoken Tutorial Project Team: Conducts workshops using spoken tutorials.
07:47 Gives certificates to those who pass an online test.
07:51 For more details, please write to contact@spoken-tutorial.org.
07:57 Spoken Tutorial Project is a part of the Talk to a Teacher project.
08:02 It is supported by the National Mission on Education through ICT, MHRD, Government of India.
08:09 More information on this Mission is available at this link http://spoken-tutorial.org/NMEICT-Intro
08:15 This brings us to the end of this tutorial.
08:19 Animation is done by Udhaya Chandrika.
08:22 This is Madhuri Ganpathi from IIT Bombay signing off. Thank you for joining.

Contributors and Content Editors

Gaurav, Pratik kamble, Sandhya.np14

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