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A 12.0 mL sample of a compound has a density of 1.44 g/mL. What is the weight of the sample in g?
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride. 2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 X 10^51 What is Kc for the following equilibrium
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
Question- For a particular process, 25 kJ of heat is absorbed and 15 kJ of work is done on the surroundings. What is U
The same apparatus is then filled with an unknown gas at 32.3 C to a pressure of 645 mm Hg. It takes 5 hours 34 minutes and 25 seconds for the pressure to fall to 207 mm Hg. Calculate the molar mass of the unknown gas.
Determine the pH of each of the following solutions. (a) 0.382 M hypochlorous acid (weak acid with Ka = 3e-08). (b) 0.900 M hypoiodous acid (weak acid with Ka = 2.3e-11). (c) 0.597 M pyridine (weak base with Kb = 1.7e-09).
BOS 3640 CHEMISTRY OF HAZARDOUS MATERIALS The DOT regulation at 49 C.F.R. §177.835(a) requires shippers and carriers to load and unload explosives from a motor vehicle only when the engine is not operating. What is the most likely reason DOT prohibit..
Below are the enzymes of glycolysis. Write them in the correct order and write out what reaction it carries out on which molecule.
Solid strontium hydroxide is added to a solution of nitric acid. How many moles of strontium hydroxide are needed to react completely with 500. mL of 0.40 M nitric acid?
Discuss the common-ion effect by comparing the solubility of CaCO3 in 3.0 x 10^2 mL of water and in the presence of 0.015 mol of Ca(NO3)2.
Calculate the percent recovery of the acetanilide produced in your experiement. How do your results compare to the maximum precent recovery
If 15.3 kilograms of Al2O3(s) , 60.4 kilograms of NaOH and 60.4 kilograms of HF react completely, how many kilograms of cryolite will be produced. What is the total mass of the excess reactants left over after the reaction is complete
Dioxane has a boiling point of 101 degrees celsius. could you seperate dioxane from methylcyclohexane by distillation? explain why or why not, based on the liquid and vapor compositions during the distillation. How might these liquids be seperated
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