Precipitate forms
A solution of 116 mL of 0.170 M KOH is mixed with a solution of 230 mL of 0.240 M NiSO4. What precipitate forms?
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An aqueous solution is 48.3% by mass hydroiodic acid, HI. The density of this solution is 1.6 g/ml at 20 C. How many grams of pure HI are there in 190.0 ml of this solution at 20.0 C?
A 10-lb block is attached to an unstretched spring of constant k=12lb/in. The coefficients of static and kinetic friction between the block and the plane are 0.60 and 0.40, respectively.
If B gas at 0.221 bar is injected into a container at 665 °C that contains excess A, what are the partial pressures of all gases present at equilibrium?
The pressure in a sealed plastic container is 108 kPa at 41C. What is the pressure when the temperature drops to 22C? Assume that the volume has not changed.
Use as few 3×8 binary-decimal decoders and 3-input NOR gates as possible to implement a BCD Squaring circuit. That is, it accepts a BCD digit, X (in 4-bit binary form) as input to produce its square, X2 at the output. Decoders with activ
Write an equations for the reactions that takes place when the compound in ch3ococh2ch3 is refluxed in the presence of aqueous sodium hydroxide
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
In the procedure for brominating (E)-stilbene that involves in situ generation of bromine, what is the solid that appears when the concentrated hydrogen bromide is added?
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