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At what volume of added acid is the calculated by working an equilibrium problem based on the initial concentration and of the weak base?
a sample containing 1.50 moles of neon gas has a volume of 8.00 liters. what is the new volume if 25.0g of neon is
The diatomic molecule AB has a dipole moment of 0.82 D and the A?B bond distance is 115 pm. Determine the percent ionic character of the bond in AB.
The excess EDTA was then back-titrated, requiring 5.00 mL of 0.050 0 M Zn2. What was the concentration of Ni2 in the original solution?
If you used 0.165mL of acetic anhydride, and 0.167g of p-aminophenol what was your theoretical yield of acetaminophen. b) If you recovered 0.187g of acetaminophen, what was your percent yield
Why is the catalyst Copper Chloride faster at the decomposition of hydrogen peroxide than Postassium Iodide and Lead Oxide
Acid-base titration & analytical chemistry, A 0.213-g sample of uranyl(VI)nitrate, UO2(NO3)2, is dissolved in 20.0 mL of 1.0 M H2SO4 and shaken with Zn. The zinc reduces the uranyl ion, UO2 (with a charge of 2+)
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
Which of the following compounds would have the lowest boiling point. a) CH4 b) HF C)K2O D) NO2 E) LiCl
a sample of 34.0 grams of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 4.75 grams
Name a few solutions you come in contact with every day. What substances make up these solutions. What is the solvent and the solute
A system absorbs 192 kj of heat and the surroundings do 120 kj of work on the system. what is the change in internal energy of the system
A BOD test is to be run on a sample of wastewater that has a five-day BOD of 230 mg/L. If the initial DO of a mix of distilled water and wastewater is 8.0 mg/L
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