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The thermal decomposition of 30.9g of CaCO3 produced 12.4g calcium and 3.71g carbon. Calculate the mass of oxygen produced in this reaction.
Write the balanced equation and determine the standard cell potential for each of the following cell notatio
what is the relationship between the structure of the fabric molecule and the intensity with which the azo dyes color the fabric?
An empty volumetric flask, weighing 60.42 grams, weighed 309.60 grams when filled with water. After emptying the water and drying the flask
in discussing solar-thermal so far weve mostly focused on the large central-station power plants that generate
Assuming the kinetics of teh microorganisms enzymatic action is responsible for the rate of decay
A sample of chromium (III) oxide, Cr2O3, contains 0.599 g of chromium. What mass of oxygen is present
Trans-bis(ethylenediamine)dithiocyanatocopper(II) forms three linkage isomers. write each structural formulas and name each isomer.
Write ionic and net ionic equations to show how limestone reacts with HNO3 and H2SO4 to neutralize them. How would you be able to tell if the neutralization process was working
This solution is to be prepared by allowing water at a set pH to reach equilibrium with solid Fe(OH)3. What pH should be used for the aqueous solution to give this desired concentration of [Fe3+]
If air contains ~380 ppm of CO2. the sodium stearate is constantly being exposed to air. Why does the sodium stearate still work in the presence of air
A reaction that is spontaneous can be described as a releasing heat to the surroundings. b. increasing in disorder. c.proceeding in both the forward and reverse directions.
Calculate the molarity of Ag in a solution resulting from the mixing of 30 mL of a 0.0250 M AgNO3 solution and 11.51 mL of K2CrO4
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