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for the reaction N2O4 (g) <=> 2 NO2 (g) a 0.750 L flask contains an equilibrium mixture of 0.971 mol N2O4 and 0.0580 mol NO2 at 25 C. The system is allowed to expand into a larger flask with a total volume of 3.0 L. What is the composition of the gaseous mixture in moles when equilibrium is reestablished for the system in the larger vessel?
Calculate the probability that a quantum mechanical particle in a one-dimensional box will be found in the left quarter of the box through repeated measurements when it is in the lowest-energy state?
ow many stereo-isomers would there be if a molecule had four chiral centres, Rank the different carbocations in order of their stability.
A piece of copper alloy with a mass of 60.0 g is heated from 21.0 ?C to 44.0?C. In the process, it absorbs 507 J of energy as heat. What is the speci?c heat of this copper alloy.
The pH of a bicarbonate-carbonic acid buffer is 6.95. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-)
Hydrogen peroxide decomposes to water and oxygen, and the activation energy for this process is 42 kJ/mol. The hydrogen peroxide formed in the biological process is harmful to tissue
What is the concentration of the AgNO3 solution. How many grams of AgNO3 are precipitated.
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
Half-life of first order process, A reactant undergoes a dissociation reaction A r arrow 2B which follows first order kinetics. The initial concentration of reactant A is .4000
nitrogen gas was collected over water at a temperature of 40 degrees C, and the pressure of the sample was measured at .796 mmHg. if the vapor pressure of water at 40 degrees C is 55 mmHg, what is the partial pressure of the nitrogen gas?
Calculate the mass of NaHCO3 that was used up in the reaction for each beaker. The molecular weight of NaHCO3 is 84.007 g/mole.
Calculate the potential of the cell be if the mass of the Iron (Fe) electrode (MW = 55.85 g/mol) is 62.0 g?
Energy cost of dissociation was found to be 4 kWh/m3 of CO2. Calculate conversion degree of CO2 into CO and O2 in this system.
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