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A 65 gram block of an unknown metal at 85.0oC was dropped into an insulated flask containing approximately 45.0 grams of ice and 30.0 grams of water at 0oC. After the system had reached a steady temperature it was determined that 7.7 grams of ice had melted. What is the specific heat of the metal? The heat of fusion of ice is equal to 333 J/g.
Write an equation for the formation of NH3g from its elements in its standard states.
Draw the following compound. Be sure to specify the stereochemistry via wedge-and-dash bonds.
When methanol, CH3OH, is dissolved in water, a nonconducting solution results. When acetic acid, CH3COOH, dissolves in water, the solution is weakly conductiong and acidic in nature. Describe what happens upon solution dissolution in the two cases..
Will the mixed function of desaturases function under strictly anaerobic conditions? Explain.
the compound xecf32 decomposes in a 1st order reaction to elemental xe with ahalf-life of 30. min at room temperature.
Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-1-butene. Use the (+) and (-) tools to adjust charges as necessary
A gram of a salt dissolves in 4.9ml of water to from a saturated solution whose specific gravity is 1.08, how many gram of salt will be contained in 100ml of the saturated solution
thiocyanate ions to a solution in which the molarity of silver ion is initially 0.1M. Calculate the maximum concentration of SCN- ion can exist in solution before AgSCN begins to precipitate.
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution.
calculate the molarity of a solution made by adding 12.9 of CaCl_2 to a flask and dissolving the solid to total volume of solution equal
What is the mechanism for the oxidation of an aldose to an aldonic acid
Write a balanced equation for the reaction of sodium carbonate with sulfuric acid to form sodium sulfate, carbon dioxide, and water. What is the molarity of the sulfuric acid solution
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