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Suppose you have a fish tank that is split down the middle into two parts by a membrane that the fish can get through, when they are first placed in the tank they are all together. After a few seconds what happens based on Le Chatelier's Principal.
Complete combustion of 4.10 g of a hydrocarbon produced 14.1g of co2 and 4.82 g of h20. Explain what is the empirical formula for the hydrocarbon
What is the FORMULA for the limiting reagent? What is the maximum amount of carbon dioxide that can be formed in grams? What amount of the excess reagent remains after the reaction is complete in grams?
A flask contains 300mL of 0.12M phosphate buffer that has a pH of 7.2. What volume of 0.2M HCl should be added to drop the pH to 6.7
Calculate how many grams of sodium sulfide are formed if 2.00g of hydrogen sulfide is bubbled into a solution containing 2.00g of sodium hydroxide, assuming that the sodium sulfide made from the reaction is a 92.0% yield
Problem- What is the pH of a solution made from 46.20 mL of a 0.0500 nitric acid solution diluted to 100.0 mL
Calculate the Triangle H degree f for calcium cyanamide.
Select one of the products described in the eco-audit case study in Chapter 8 of your textbook (e.g., cups, grocery bags, electric kettle).
Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4, which is complete.
Show that the ratio of the surface area to the volume of the sphere is smaller than that for a cube of equal volume
Gasohol is a fuel containing ethanol that burns in the presence of oxygen to give carbon dioxide and water as follows
consider the following reaction, equilibrium concentrations and equilibrium constant at a particular temperature. determine the equilibrium concentration of NO2 (g)
DRAW a flow chart to show how triphenylmethanol is purified by extraction. Indicate which layer contains the product.
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