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Using the thermochemical data given for NO2 and N2O4 in class, determine the fraction of N2O4 that will dissociate into two NO2 molecules if one mole of pure N2O4 is introduced to a 10 liter constant volume, constant temperature (298 K) reactor. In addition, determine the initial and final pressures within the reactor, and the composition of the equilibrium vapor. Then repeat this calculation at 270 K, both by integrating the constant pressure heat capacities of NO2 and N2O4 to get the accurate value of deltaG_rxn at this temperature, and then again using an equilibrium constant from the van't Hoff equation. Which approach is more accurate, and why?
Calculate script e° values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the reactions. Standard reduction potentials are found in the table
The rate law for the rearrangement of methylisocyanide (CH3NC) to acetontrile (CH3CN) at 800 K is:
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 C. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/g.C for the specific heat of ice, and 334.4 J/g for the heat of fusion of water.)
Draw the VSEPR diagram and classify the shape of the molecule for F2O
How many milliliters of 0.200 M NaOH are needed to neutralize 100. mL of 0.100 M HCl
A 43 kg person drinks 450. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake.
The system CO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO.
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
When 79.272 cg of nitrogen gas is reacted with 79.272 cg of hydrogen gas, how many grams of ammonia are formed?
we are doing an analysis of cola lab in my chem I lab. We have to do pre-lab questions and one of them is- how will you use compounds of different colors to determine the relationship between percet transmittance and wavelength? or between absorba..
What's the total pressure generated by a mixture of gases if the pressure of oxygen is 465 mm Hg, the pressure of nitrogen is 1.1atm and the pressure of chlorine is 501 torr? Report your answer in torr. Report your answer to no decimal places.
The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ?0. Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 5.73 × 10^14 s-1.
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