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When 27.5 mL of 0.520 M H2SO4 is added to 27.5 mL of 1.04 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate ?H of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) ?H per mole of H2SO4 reacted: ? kJ/mol ?H per mole of KOH reacted: ? kJ/mol
Ethanol v dimethylether, What are the molecular weights of ether and dimethylether? Are they isomers of each other or is each an isomer of something else?
Why is it necessary to first "process" the broccoli before preparing the test sample? What factors are affected that will adversely influence
Given the equilibrium pH will you have successfully reduced each metal ion level to below the MLC? give detailed calculations to support your answer.
How much time is required to produce 200g of alumimun metal for molten aluminum oxide dissolved in cryolite, if you use a 12.0 amp current.
What is the heat capacity of the bomb?(Assume that the quantity of water surrounding the bomb is exactly 2250 g).
What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
When limestone (which is principally CaCO3) is heated, carbon dioxide and quicklime (CaO) are produced by the reaction CaCO3(s)?
If the methane contained in 3.00 L of a saturated solution at 25 was extracted and placed under STP conditions, what volume would it occupy.
When 5.00 × 1022 molecules of ammonia react with 4.00 × 1022 molecules of oxygen, how many grams of nitrogen gas are produced? 4NH3(g) + 3O2(g) → 2N2(g) + 6H2O(g)
Determine how many liters 8.93 g of carbon dioxide gas would occupy at 150°C and 1.00 atm
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
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