Ethane exists in nature as a flammable, colorless and odorless gas. It has a chemical formula of C2H6 and is a hydrocarbon. Because the chemical structure only consists of single bonds between hydrogen and carbon atoms, ethane is classified as an alkane.here are actually several gases present in natural gas, and ethane has the second largest percentage in natural gas. Ethane is a colorless, odorless and flammable gas with a chemical formula of C2H6 - it has two carbon (C) atoms and six hydrogen (H) atoms.
2. Open your PDF document in Adobe Acrobat. 3. Use the Edit Text in Adobe Acrobat in your Adobe Acrobat program, to help you select the item or select the text you need to delete.4. Press and release Delete on your keyboard.5. Save your PDF document you just edited by pressing and releasing Ctrl+S consecutively OR by clicking File menu than selecting Save.se the Edit Text in Adobe Acrobat in your Adobe Acrobat program, to help you select the item or select the text you need to delete. 4. Press and release Delete on your keyboard.
1 Open the .pdf file in Adobe Reader. 2  On the Tools menu, select to display the Basic submenu, and then click Select Text. 3  Select all the text in the .pdf file that you want to copy. 4  Alternatively, click Select All on the Edit menu to select all the contents of the file. 5  On the Edit menu, click Copy. Open the .pdf file in Adobe Acrobat Reader. 2  Press SHIFT, and then click Text Select Tool. 3  Without releasing the mouse, click Graphic Select Tool on the toolbar that appears. 4  When the insertion point changes to a cross-hair icon, draw a rectangle around the graphic. 5  On the Edit menu, click Copy.