Saturday
May 18, 2013

# Posts by Johnathan

Total # Posts: 63

chemistry
My best answer would be: HCl]4[O2] / [H2O]2[Cl2]2 Is this correct?

chemistry
Taking note of the equilibrium 4HCl(g) + O2(g) ----> 2H2(g) + 2Cl2(g). What would be the the equilibrium law expression for the balanced chemical equation?

chemistry
sorry Ksp of PbCl2 is 1.6 x 10-5

chemistry
What mass of NaCl should be found in 0.51 L of a saturated solution of sodium chloride if the Ksp of NaCl is assumed to be 1.5 x 10-5?

I got this problem today in school, and I don't know how to go about soving it. Can someone show me. Thanks. Here it is. The distance s(t) between an object and its starting point is given by the antiderivative of velocity function v(t). Find the distance between the objec...

trig
Evaluate without using a calculator or tables sin(pi/3 - 3pi/4) The answer is - 1+ square root of 3 / 2 square root of 2 How do I get this answer?

trig
If 0 is less than or equal to 2theta less than or equal to pi and P(2theta)= (-7/25, 24/25), find P(theta)

trig
Use the half angle formula to find cos(pi/12)

chemistry
This may be what Im after:) Please elaborate in this reaction

chemistry
Where can I find the reaction that produces ethyl formate, which is Methanol and Methanoic acid?

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