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The specific heat of copper is 0.385 J/(g x ?C). If 34.2 g of copper, initially at 25 ?C, absorbs 4.689 kJ, what will be the final temperature of the copper?
Coal = 3.9% sulphur power plant while producing electricity turns coal into sulphur dioxide gas calcium oxide is used to react with sulphur dioxide and forms solid calcium sulfite coal
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola..
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
If one were to perform carbon dating on living clams instead of getting a zero age ( they are in fact living) one would get an age of approximately 400 years old for these living clams.
Using the diagrams provided below, draw an atomic-scale view for the chemical species that are present in the solutions in each beaker. In your diagrams, be sure to Include all chemical species except water molecules
Sulfuryl chloride (SO2Cl2) in the gas phase decomposes to sulfur dioxide and chlorine gas. A) what is the rate law? B) What is the value of the rate constant (k)?
Determine the limiting reactant in HCl + NaOH = NaCl + H2O given 2 moles of HCl and 2.5 moles of NaOH
The half life of polonium-210 is 138.4 days. How many milligrams of polonium-210 remain after 415.2 days if you start with 2.0 mg of the isotope?
A 126 piece of metal is heated to 285 and dropped into 83.0 of water at 26. If the final temperature of the water and metal is 58.3.
How many moles of BCl3 are needed to produce 25.0 g of HCl(aq) in the following reaction?
Most community water supplies contain 0.5 ppm chlorine added for purification. What mass of chlorine must be added to 1500. L of water to reach this level. (Hint: the density of water is 1.00 g/mL)
Calculate the pH during the titration of 20.00 mL of 0.1000 M hydrazine N2H4(aq), with 0.1000 M HCl after 20.25 mL of the acid have been added. Kb of hydrazine = 1.7 x 10-6
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