Wednesday
August 27, 2014

Posts by Randolph


Total # Posts: 6

Chemistry
Using VSEPR what is the shape of ammonia (NH3) and water (H2O) when bonded to a hydrogen bond?
January 28, 2012

chemistry!!
Compute the amount of heat released (absolute value) when 1.1 kg of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water
December 2, 2011

Trigonometry
verify the identity: (sin^3x-cos^3x)/(sinx-cosx)=1+sinxcosx
May 30, 2011

Trigonometry
verify the identity: (1-cosx)(1+cosx)= sin^2 x
May 30, 2011

Trigonometry
solve: tan x/2= sqrt3/ 3
May 30, 2011

geometery
What shape has perperndular line segments?
May 24, 2011

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