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A fuel gas containing methane and ethane is burned with air infurnace, producing a stack gas at 300C and 105kPa(absolute). Thestack gas contains C02 at a partial pressure of 80 mm Hg and no CO,O2, methane or ethane. Calculate the mole fraction of methane in the fuel and the dew point temperature of teh stack gas.
Is the system consisting of the aluminum and the water a closed system? Explain your reasoning. If not, how much energy was lost or gained by the system during the experiment
In art of the Ancient Near East (Assyrian Art), sculptures often had carved eyes accented with shells set in bitumen, a black tar-like substance. Chemical analysis of bitumen by using a combustion reaction yields 6.575 g CO2 and 1.346 g H2O.
the temperature unknown. When the volume changes to 1.68L the temperature is found to be -220oC. What was the initial temperature in C?
How many grams of Na3PO4 will be needed to produce 350ml of a solution that has a concentration of Na+ ions of 0.900.
What volumes of water (steam) and nitrogen monoxide are measure under same conditions of T and P.
When 27 mL of a 230 mL stock solution containing 2.2 M BaF2 is diluted to 81 mL, what is the concentration of F- in the new solution?
What compounds will be present after chemical reaction has occurred. Write out a balanced chemical reaction for this description, and name all compounds present.
describe an experiment that you could perform in lab that would provide the data so you could calculate the Ka value for sulfamic acid, HSO3NH2.
If the entropy of a collection of molecules in 50,000 boxes is 3.73E-20 J/K, how many molecules are there
Calculate the heat of formation of propane given the heat of formation of H2O (liquid) is -285.3 kJ/mol and the heat of formation of CO2 is -393.5 kJ/mol.
Poly(propylene) is made of one kind of monomer. Give the two monomers used to make nylon 6,6. Why are two monomers needed to make nylon 6,6 while only one is needed to make poly(propylene)?
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
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