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Why are back titrations a good analytical technique for obtaining accurate results when analyzing samples that are very slow to react?
How many grams of cobalt metal can be formed if a 2.00 amp current is passed through a solution of Co2+ for a period of 20.0 minutes
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
A rolaid tablet contains calcium carbonate, which neutralizes stomach acid. if 44.55 mL of 0.448 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a rolaids tablet
analyze the role of the paradigm shift under the affordable care act and discuss how transparency will play a greater
A breathing mixture used by deep sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen in this mixture with a total pressure of 101.3 kPa if PHe = 84.0 kPa and PCO2 = 0.10 kPa?
A mass of 90 kg sits on top of a piston in a cylinder filled with 1 mole of an ideal gas at 1 atm and 298 K. What temperature change is required to lift the mass 0.1 m.
when a 0.6333-g sample of a compound of carbon hydrogen and sulfur was burned in excess oxygen 0.9272 g co2 0.3795 g
At 0.0oC, if the volume of air is 3.3 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?
What is the rate of consumption of isobutylbenzene inside the reactor. What is the flow rate of isobutylbenzene out of the reactor? What is the fractional conversion
A gas mixture composed of helium and argon has a density of 0.853g/L at a 745mmHg and 298K .What is the composition of the mixture by volume?
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
Write a balanced chemical reaction for the double replacement between aqueous aluminum nitrate and sodium phosphate. which product will be the precipitate
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