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http://download.microsoft.com/download/d/1/3/d1346f12-f3a0-4ac6-8f5c-2bea2a184957/IE7-WindowsServer2003-x86-enu.exe

Dear friends

I downloaded the wizard of "Internet Explorer 7" from the Internet but when I try to intall it, I receives the following message
"Internet Explorer 7 is not supported on this...

S+O2=SO2
SO2+O2=SO3
SO3+H2O=H2SO4

I think its true

MgBr2+2Cl=MgCl2+2Br

When I write an empirical formula, sometimes I have 1.5 of C for example, do I put it 1 or 2
Thanks

If the amplitude is 0, does the light disappears like sounds? If no, please tell me why?
Thanks

Not negative but opposite

If I have a light of frequency "x" and a generate another light of freuency "-x" and the 2 waves are superposed. Does the 2 waves cancel each other or does that light disappear?
Thank you.