

Find the dimension of the subspace H of R2 spanned by the vectors s[-s} [13] [13]
Al(OH)3 + 3 H+ <--> Al3+ + 3 H2O You find that the solution pH = 5, and that [Al3+] = 10-2 mol/L. Assuming the activity coefficient = 1 for Al3+, what is the log(Keq) of the Al(OH)3 dissolution written above assuming the system is at equilibrium? If you got stuck on a, assume that log(Al3+)=log(Keq)-3pH + 30.
4501776/View Atst1 Med Paper Page 2 of 15 Question 21 point The Services Canada al resource that he semplovers find suitable candidates Page 2 of 13 De A Gateway
Find the point on the plane 3x + 2y + z = 13 closest to the point (1,1,1).
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pt 12 of 13 (7 complete) Find the volume of the solid generated by revolving the region R bounded by y = 6 - 2 y=0, x= 0 and x = In 7 about the x-axis. Set up the integral that gives the volume of the solid 0 (Type exact answers.) The volume of the resulting sold is cubic units (Type an exact answer) 13 of 13 7 complete How much work is required to move an...
If point P(t) on the unit circle has coordinates (5/13,-12/13) find the coordinates of the point (a) P(t + 2π) (x, y) = (b) P(−t) (x, y) = (c) P(t − π) (x, y) = (d) P(t − 3π) (x, y) =
Question 13 Polar coordinates of a point are given. Find the rectangular coordinates of the point. (4, -180) (4,0) (-4,0) (0,4) (0,-4) hp
Number 11 and 13 the answers on the box are wrong
al 11. Calculate the pH of a 100.0 ml buffer solution with a composition of 0.100 mol L'HPO and 0.162 mol L-! H.PO,(H3PO, has K. - 7.5*10-); Ke-6.2x10; K3 = 4.2*10-13) 0.1000 LX0-100 M:0.0100 molt pH = 1.79 11 H₂PO4-3=0.0617M HPO42-+ Kan.6.2x10 3.83x102 012- 720 H₃PO4 + OH 0.0162 12. Calculate the pH of a buffer solution composed of 30.0 mL of 0.100 mol L of HC,H,O, and 0.100...
Question 13: (1 point) Find the volume of the solid obtained when the region bounded by the line y=x, the line x = 3, and the x-axis is rotated about the y-axis. (a) 247 (b) 4871 (c) 167 (d) 367 (e) 421 (1) 18T (g) 27 (h) 307
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