Wednesday
December 11, 2013

# Posts by maya

Total # Posts: 279

Chemistry
equilibrium constant for; so3 <----> so2 + 1/2o2 is found to be 0.471M^1/2 @ 600deg C after a quantity of sulfur trioxide is allowed to come to equilibrium in a 1L flask @ 600deg C, 0.2 mol oxygen was found to be present. What mass of sulfur trioxide was initially placed...

Chemistry
what is the proper name for (CH3)2CHCH(OH)CH3?

Chemistry
A certain headache relief tablet is composed of monoprotic acetylsalicylic acid(C9H8O4(s)) and an inert filler. A 4.00 g tablet was crushed and dissolved to make 40.0 mL of solution. The solution was then titrated with 0.900 mol/L NaOH(aq). The volume of NaOH(aq) needed to neu...

chemistry
Help! The concentration of a solution of hydrochloric acid is 1•00 ± 0•05 mol dm−3 and the volume is 10•0 ± 0•1 cm3. Calculate the number of moles and state the absolute uncertainty.

trig
Ok, so im brand new at trigonometry. If i have a right triangle with an acute angle of 30° an opposite side of 4 and a hypotenuse of x how do ii find x

calculus
The tangent to y = (ax)+b/(sqrt x) at x =1 is 2x-y=1. Find a and b. help?

That is supposed to be 1/x sorry!