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Suppose 5.87 g of barium acetate is dissolved in 300. mL of a 71.0 m M aqueous solution of sodium chromate.
calculate the final molarity of barium cation in the solution. You can assume the volume of the solution doesn't change when the barium acetate is dissolved in it.
Compare the chemical structure of the nylon polymer that has been prepared to the polypeptide trimer of glycine, the simplest of the naturally occurring amino acids
C6H6(Benzene) boils @ 8o.1C, melts @ 5.5C, Density=.88gm/ml, its heat of fusion is 10.0 kjoules per mole -Calculate volume occupied by 1 gigamole of liquid benzene @25C
Give the balanced equation for the reaction- exothermic formation of 1 mol of sodium chloride from its elements
Complete the two half reactions for the Pt electrode. Write two correct Nernst equations for the cell voltage.
The chlorination of propane yields 4 different dichloropropanes of formula C3H6Cl2. Using the following information to identify dichloropropanes A,B,C,D.
Consider a system with four energy levels: 0E, 1E, 2E, 3E, where E is kT (E can be represented by epsilon and T is 100K). Assume that there are 10 particles. Provide an expression for energy, heat capacity and entropy. Plot all as a function of T
how does the strngth of the attraction between water molecules and sodium and chloride ions compare with the strength
Acetominophen is a weaker acid than carbonic acid but asprin is a stronger acid than carbonic acid. prepare the flow chart diagram like the one in this experiment, showing the procedure that can be used to separate the a mixture of sucrose, aspiri..
A student mixed 5.00 mL of a nickel(2) chloride solution with 5.00 mL of .100M sodium phosphate and a precipitate formed. How many moles of sodium phospahte were present in 5.00 mL of the solution?
When a sample of H2S gas produced according to the equation was collected over water at 25 oC the pressure of gas above the water was 0.997 atm and its volume was 6380 mL. Calculate the mass (g) of Fe2S3 that reacted. Be sure to consider the vapor..
Equivalence point was 18.46 mL and my second equivalence point was 33.185 mL. How to find the percent weight of Na2CO3 in the unknown using these two values?
how many milimeters of 0.755 M H2SO4 solution is needed to react with 55.0 mL of 2.50 M KOH solution? Given 2KOH (aq) + H2SO4 (aq) ------ 2H2O (I) + K2SO4
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