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If you used NaClO instead of CuSO4 in reactions other than the reaction with KI and Starch, would you expect the results to always be identical?
what are the pH and the change in pH after the addition of 0.054 mol hydrochloric acid to the buffer solution?
if 69.5 kj of heat is applied to a 1034 g block of metal the temperature of the metal increases by 11.4degc. calculate
Autoclave that are used to sterilize surgical tools require a tempereature of 120 degree to kill bacteria. At what presure must they operate?
You have prepared a saturated solution of X at 20C using 27.0 g of water. How much solute can be dissolved if the temperature is increased to 30 C?
Calculate for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. A. OH ? ]= 3.5×10?4M. Express your answer using two significant figures
A solution is prepared by dissolving 0.19 of acetic acid and 0.19 of ammonium chloride in enough water to make 1.0 of solution. What is the concentration of Ammonia in the solution
butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm.
sample of anhydrous salt sodium sulfate Na2SO4 is allowed to absord water to form the decahydrate salt.
A galvanic cell is prepared by immersing a strip of nickel metal into an aqueous 1M NiSO4 and a strip of silver metal into aqueous 0.100M AgNO3. The two solutions are separated by a porous barrier.
Which of the following would you expect to be a molecule and which would you expect to be part of an ionic solid. Drag the appropriate compounds to their respective bins. CO, NO, LiCl, HBr, BaS, RbCl, SrO, LiBr
What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass. The density of the solution is 1.10 g/mL.
A problem occurred and the mixture was acidified to a pH of 2 with HCl and there was no precipitate. Explain what went wrong and write an equation for the reaction that caused the problem. How the product be recovered
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