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Describe an experiment using only hot and cold water that would enable you to verify that the heat capacity of your coffee cup calorimeter is about 1.0x10 J/degree celsius. Be specific.
5Fe2+ + MnO4- + 8H+ → 5Fe3+ + Mn2+ + 4H2O. Number of moles of electrons transferred in a two half cell reactions in the above overall reaction are
A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 25 mL of the stock solution
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
What is the theoretical yield of bromobenzene in this reaction when 30.00 g of benzene reacts with 65.0 g Br2? b) if the actual yield of bromobenzene was 56.7 g what was the percentage yield
What is the osmotic pressure of a solution made from dissolving 85.0 g of glucose, rm C_6H_{12}O_6, in 300 mL of water at 45.0{^circ}C?
While a 1.00 L flask containing 1.500 atm of gas A is joined with a 1.00 L flask containing 0.750 atm of gas B, as well as the stopcock between the flasks is opened, also the gases are allowed to mix thoroughly, the following reaction proceeds at ..
Identify which of the following are oxidation-reduction reactions, and if they are, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced.
what is the heat flow of hot water added to cold water? What is the heat flow of the cold water? hot water was 52.5 C the cold water was 21.7 C the final temperature was mass of cold water was 49.35g
A certain brand of antacid has a dosage that contain 400 mg Mg(OH)2. How many mmoles of HCl can be neutralized by one dose of this antacid?
If 2.0 grams of calcium chloride react with 3.5 grams of sodium hydroxide in a double replacement what is the balanced equation
what is the half-life of phosphorus-32?
Complete combustion of 75.0 g acetylene, C2H2, liberated 3750 kJ of heat
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