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Calculate the amount of heat required to heat a 3.9 gold bar from 27 to 69
What will be the molarity of a compound (1 litre) with a molecular weight of 169 and purity as 41%.
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
Assume that the initial purple solution is 16.05mg/L in sodium salicylate, 0.15M in HCl and 0.065 M in iron(III) ions. What are the concentrations of these three once you diluted the 10.00 mL to a final volume of 50.00 mL in the volumetric flask
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
Two 33.5-mL samples, one 0.116 M HCl and the other 0.116 M HF, were titrated with 0.236 M KOH. (a) What is the volume of added base at the equivalence point for each titration. HCl mL HF mL
Your Discussion should address at least the following points: 1. What is the structure of each isomer? 2. Which ligands are observed in the IR spectra of the four complexes which you have prepared? What are the symmetries of the ligands in each co..
We have 500 mL of a solution with Ba^(2+)=0.10M. How many grams of LiF must be added to begin precipitation of BaF2? The Ksp of BaF2 is 1.7 x 10^(-6)
Suppose a 5.00mL sample of vinegar required 27.58mL of 0.123 M sodium hydroxide to reach the endpoint. What is the molarity of acetic acid in the vinegar?
Adipic acid and citric acid have very similar melting points. Given two unkown samples, one being citric and the other adipic acid
The compression ratio of today's cars is so much higher than in cars of years past. What is the major advantage of increasing the compression ratio?
If you wanted to prepare a solution of CO in water at 25C in which the CO concentration was 1.8 mM, what pressure of CO would you need to use
Given the general equilibrium A + 2B C + D and the following concentrations, calculate the equilibrium constant. [A] = 0.2 M, [B] = 0.3 M, [C] = 0.1 M and [D] = 0.2 M
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