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What is the percent-yield of H2 in the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106?
CH4(g) + CO2(g) ? 2CO(g) + 2H2(g)
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
A gaseous mixture of O2 and N2 contains 39.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 645 mmHg
Why are the products attached to C3 of 1,4 pentadiene more acidic than the methyl hydrogen atoms of propene? Maybe you can help me with this one. Are the C3 atoms more acidic because there is more s character involved with the atoms and as the s ch..
A sample of nitrogen gas in a 4.6-L container at a temperature of 30.°C exerts a pressure of 3.9 atm. Calculate the number of moles of gas in the sample.
estimate the enthalpy change for the combustion of hydrogen gas in the presence of oxygen gas.
Write the condensed electron configurations using the noble gas convention for each of the ions in Kl, BaO, Rb2O, and AlCl3. Which of these ions are isoelectronic with Ar
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
One mole of a monatomic ideal gas is adiabatically expanded from 2.23 L to 5.78 L. Calculate the q, w, Delta U, delta S, and delta H for this process
what is the Maximum amount of aspirin possible if salicylic acid is the Limiting Reagent? (2.0013g salicylic acid)(3.09 mL acetic anhydride)(2.142 mass of aspirin synthesized)
calculate the energy involved in the conversion of 272 g of steam at 373 K to ice at 243 K. Be sure to use the correct sign.
When a 1.30-g sample of ethanol (alcohol) is burned in a calorimeter, the heat released increases the temperature of 870g of water in the calorimeter from 18.5 C to 28.9 C .
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