Determine the percentage of chloride in the original sample
Determine the percentage of chloride in the original sample when a silver chloride precipitate weighing the 0.2255 grams was obtained from the 0.3448 grams of a soluble salt mixture.
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Determine the percentage of water in the sample when 0.4023 gram samples of impure barium chloride dehydrate weighed 0.3541 grams after it was dried at the 200oC for two hours.
Find the Median for the following set of data: 25, 20, 8, 10, 28, 16, 22, 15
A ceiling fan is turned on and a total torque of 2.2 N•m is exerted to the blades. The blades encompass a net moment of inertia of 0.26 kg•m2. Determine the angular acceleration of the blades?
Calculate the advantage of calculating the free energy changes rather than entropy changes to find out the reaction spontaneity?
Explain why is the given situation not possible? The centers of two homogeneous spheres are 1 m away from each other. The spheres are made up of the similar element from the periodic table. The gravitational force among the spheres is 1 N.
Calculate the percentage of iron in a 3.0660 gram sample of an acid-soluble iron ore which yields a ferric oxide (Fe2O3) precipitate weighing the 2.0513grams?
Determine what volume the dry gas occupy at standard conditions. Sixty litters of a gas were collated over water when the barometer read 670 mmHg, and the temperature was 20C.
Discuss why BTB is green in the neutral water solution. In terms of Le Chatelier's principle, why does it turn blue when base is added and yellow when acid is added?
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