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Chemistry need help
using standard potentials given in the appendices calculate the standard cell potentials and the equilibrium constants for the following reactions. Zn(s)+( Fe^2+(aq)) > (Zn^2+(aq))+ Fe(s) If anyone can show work, then I can do
asked by Kader on April 19, 2014 
Math
Let f(x)=2x^2+3px2q and g(x)=x^2+q,where p and q are constants.It is given that xa is a common factor of f(x) and g(x) ,where p ,q and a are nonzero constants.Show that 9p^2+16q=0 .
asked by Anonymous on April 24, 2013 
algebra
could you please check this answer for me and correct. thanks given equation point slope form linear equation to use to do question. y3 = 3(x+1) question rewrite this equation in standard form y 3 + 3 = 3x  3x +3 + 3 3x+ y = 6
asked by ann on January 20, 2012 
Algebra
Solve by using the quadratic formula. 3x^2=11x+4. Look up the formula if you don't know it already. In this case a = 3, b = 11 and c = 4. You get that by rewriting the equation in the standard form ax^2 + bx + c = 0 , where a,
asked by Shaye on July 12, 2007 
algebra
3x5(3x7)= 2(x+9) + 45 You won't learn unless you try these yourself. Multiply out the term in parentheses, combine the x terms together and the constants together, and then put all the x terms on one side of the = and the
asked by Anonymous on April 24, 2007 
Chemistry
voltaic cells in nonstandard conditions, how does concentration of solm's effect the value of Ecell. I understand that as concentration increases so does the Ecell value but why? The half cell is E = Eo  0.0592 log Q where Q
asked by amy on April 17, 2007 
Math
In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ
asked by John on December 1, 2016 
Math
In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ
asked by John on November 30, 2016 
CHEMISTRY HELP!
Consider the following reactions and their equilibrium constants. (NO(g) + 0.5Br2(g) NOBr(g) Kp = 5.3 2NO(g) N2(g) + O2(g) Kp = 2.1 x 1030 Use these equations and their equilibrium constants to determine the equilibrium constant
asked by jon on April 27, 2011 
algebra
Could you please help me?? pointslope form linear equation y3 = 3(x+1) what is the equation in standard form of a perpendicular line that passes through (5,1). i think you take 1/3 as slope, reciprocal, I am confused about how
asked by ann on January 12, 2012