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Tausonite, a mineral composed of Sr, O, and Ti, has the cubic unit cell shown in the drawing.
(a) What is the empirical formula of this mineral?
(b) It is easy to see that Ti is coordinated by six oxygen atoms because the Ti atom is located at the center of the unit cell. To see the full coordination environment of the other ions, we have to consider neighboring unit cells. How many oxygens are coordinated to strontium?
When silver nitrate is added to an aqueous solution of magnesium chloride, a precipitation reaction occurs that produces silver chloride and magnesium nitrate. When enough AqNO3 is added so that 19 g of MgCl2 react, what mass of AgCl precipitate s..
With initial concenration of A and B of 0.04 mol/L, the rate of formation of AB is measured at 0.005 mmol/(Ls). When the initial concentration of A is raised to 0.07 mol/L, with that of B the same as before, the rate of formation of AB increases t..
What is the % barium in an alloy if it takes 22.0 mL of 0.875M sulfuric acid solution to react with all the barium in a 7.59 g sample of the alloy
consider the given case as first anionsnbsp will not precipitate in the presence of agno3 and second anions get
To add formal charges, click the button below (which will turn yellow when activated) before clicking on the molecule. You may need to hit Enter on your keyboard after typing the charge to make it register before clicking submit. Place charges and..
A 15.0% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the grams of NiCl2 contained in each liter of this solution
For the cell reaction, Cu^2+(aq) + Zn(s) (arrow) Cu(s) + Zn^2+(aq), E^* cell = 1.10V. Use the Nernst equation to determine E cell when the molar concentrations of Zn^2 and Cu^2+ are 1.0 M and 1.0 x10^-7 M, respectively.
3.10 percent of the Br2 undergoes dissociation. Calculate the equilibrium constant Kc for the reaction.
(a)how do I calculate the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptivity of lycopene at 471 nm is 1.86 x 10^4. (b) Calculate the mass of lycopene in 3.0mL of the solutio..
The midpoints of the three pH jumps occurred at 15.35 mL, 19,77 mL, and 22.05 mL of added base. What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation? The Ksp for MgF2 is 6.4×10-9. Answer in units of grams/L.
the equilibrium constant kc for the reactionpcl3g cl2g pcl5gnbspis 49 at 230degc. if 0.70 mol of pcl3 is added to 0.70
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