# Posts by Spirit

Total # Posts: 9

**math**

(2x/5)^3 * (5/x)^3

*May 28, 2010*

**math**

14x^5y^2 / -21x^2y^8

*May 28, 2010*

**math**

14x^5y^2 / -21x^2y^8

*May 28, 2010*

**organic chemistry**

Instead of using 1-propanol or 2-pentanol, a student decided to conduct the same reaction (using Sodium Bromide and Sulfuric Acid) you did starting with 2,4-dimethyl-3-pentanol instead. What product(s) would you predict for this reaction? Show a mechanism to account for any ...

*April 21, 2009*

**organic chemistry**

Instead of using 1-propanol or 2-pentanol, a student decided to conduct the same reaction you did starting with 2,4-dimethyl-3-pentanol. What product(s) would you predict for this reaction? Show a mechanism to account for any products you propose. How do I do this?

*April 21, 2009*

**organic chemistry**

Can you explain why it forms diethyl ether?

*April 8, 2009*

**Physics**

Cn u xplain the solutions steps by steps? Cz i really dnt understand wen i revise it nw. Tnxs u kindly. Two particles A & B are connected by a light inextensible string passing over a smooth pulley P. Particle A, of mass m, lies on a plane inclined at 30degree to the ...

*September 29, 2008*

**Maths**

i have an answer but im not sure if its right would you tell me please and show me the steps of how to work through the question make f the subject 7f-5=3g(2f+h) my answer was f=-h-5/3g-5 and i simplified that to f=-h/3g thanks for any help you can give me 7f= 6gf + 3gh +5 f(7...

*June 8, 2007*

**maths please help**

how do you find the isoperimetric quotient of an n sided figure? my side lengths are 5cm i have split it in to triangles so 360/n is the central angle then to work out area of singular triangle its 1/2 base times height height is something like tan 180/n =2.5 /height length ...

*October 12, 2006*

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