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Consider the following standard heats of formation: Standard Heat of formations for the substances:CO2(g) = -393.5 kJ/mol PbO(s) = -151.6 kJ/mol CO(g) = -110.5 kJ/mol.Calculate the change in enthalpy for the following process: Pb(s) + CO2(g) yields PbO(s) + CO(g)
How much energy is released during the complete combustion of 433 grams of cyclopropane
what we observed that 1.00 mole Hydrogen, 1.00 mol Iodine and 1.00 mole hydrogen iodide are introduced into a container of capacity 1.00-L. compute the concentrations of each species if equilibrium is reached?
How many grams of Helium does a 25.0 Liter balloon contain at 102.0 kPa and 24 degrees Celsius?
Draw a reaction coordinate diagram for each of the following nucleophilic addition-elimination reactions. a. the nucleophile being a weaker base than the leaving group
Important information about Hydroboration reaction, In one experiment you combine 1-hexene which is reacted with H2SO4 with water as the solvent and the compound produced is 2-hexanol
mixture(O,H) is ignited with a spark and it reacts to form (H2O)liquid water. determine the temperature of water.
the normal boiling point of menthanol is 64.7 degrees celcius, and its molar enthalpy of vaporization is 71.8 kj/mol. Calculate the value of delta S when 1.00 mol of CH3OH (liquid) is vaporized at 64.7 degrees celcius.
If 2.50 mol of copper and 5.50 mol of silver nitrate are available to react by single displacement, identify the limiting reactant.
Calculate the pH of a buffer formed by mixing 85 ml of 0.12 M lactic acid with 95 ml of 0.15 M sodium lactate.
The mercury in a 0.7325 gram unknown sample was precipitated with excess par aperiodic acid, H6IO5, according to the following balanced chemical equation:
Aluminum hydroxide and sulfuric acid reaction, Which reagent is the limiting reactant when 0.450 mol Al(OH)3 and 0.550 mol H2SO4 are allowed to react? How many moles of the excess reactant remain after the completion of the reaction? Please explain..
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.0800 atm, 0.00500 atm, and 0.00200 atm respectively.
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