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When 1 mol of a gas burns at a constant pressure, it produces 2414 J of heat and does 5 kJ of work. identify the deltaE for the process. Identify deltaH for the process. Identify q for the process. Identify w for the process.
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
What is the change in the measurement of the potential if a solution of 1.00x10-3 M NaF is exchanged for another solution of 1.00x10-4 M NaF?
What observed rotation is expected when a 1.54 M solution of (R)-2-butanol is mixed with an equal volume of a 0.770 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
There is a solution which includes [H+]=0.3M, [Fe+2]=0.05M and [Pb+2]=0.05M and that this solution is saturated with H2S (means you take value [H2S]= 0.1M)
Assume that you are an experienced organic chemist with perfect recrystallization technique. You recrystallize 10g of impure naphthalene from Ethanol in Corvallis, OR (elevation; sea level) and recover 7.4g of pure naphthalene.
Al^3+ is reduced to Al(s) at an electrode. If a current of 2.75 amperes is passed for 36 hours, what mass of Al is deposited at the electrode. Assume 100% current efficiency.
Mg +2HCl-> MgCl2 + H2 what volume of Hydrogen at STP is produced from the reaction of 50.0g and the equivalent of 75 g of HCl? Also, How much of the excess reagent is left over?
a balloon is inflated with 0.2492 grams of helium to a pressure of 1.26 atm. if the desired volume of the balloon is
What is the molarity of the HCl solution if 310mL of the HCl solution reacts with magnesium to produce 5.40L of H2 gas measured at STP
Give equations to show how sulfuric acid can convert 4-methyl cyclohexene into a mixture of four isomeric c7H12 compounds(including starting material). Predict the relative amounts of each isomer.
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
What is the activation energy for a reaction whose rate is tripled by a temperature increase from 22.5°C to 58.0°C?
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