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61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H2O. determine the final concentration?
what is the theoretical yield of calcium carbonate if 2.05 grams of calcium chloride dihydrate reacts with excess
if you have 330 ml of water at 25.00 and add 120ml of water at 95 C what is the final temperature of the mixture
explain why covalent bonds are formed when non metals from the right side of the periodic table bond with each other. Give two examples of such compounds.
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
A 25.0 ml sample of 0.105 M HCl was titrated with 31.5 ml of NaOH. What is the concentration of the NaOH
What mass of calcium can be produced by this process if a current of 6200 {\rm A} is applied for 35 {\rm h}? Assume that the electrolytic cell is 69 % efficient. also What is the minimum voltage needed to cause the electrolysis
The final temperature of the calorimeter is 150°F. What is the mass of titanium used? The specific heat capacity of water is 4.184 J g-1 °C-1.
What is the magnetic field strength of the NMR system in Tesla? Show all equations and explain. c) Are the resonances of A and B well enough resolved to be able to measure the relative concentrations by NMR? Explain reasoning.
what is the coefficient for carbon dioxide when the following equation showing the combustion of isopropyl alcohol
7.41g of O2 are combined with 5.23g NH3 , and the reaction proceeds. What mass of NO is produced?
What mass of oxygen would be required to convert the same sample of nitrogen to nitrogen dioxide (NO2) instead?
Compute the final temperature of the mixture (assuming no heat loss to the surroundings.)
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