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A gaseous fuel mixture stored at 743 mmHg as well as 298 K contains only methane CH4 and propane C3H8. Explain when 11.1 L of this fuel mixture is burned, it produces 774 kJ of heat.
Define what is the mole fraction of methane in the mixture? Presume that the water produced by the combustion is in the gaseous state.
Once you make a 100ml of 0.2M solution with 2.422 g of substance. If you take 10 ml of that solution you just made and add 90 ml of water and mix it. Then take 5 ml of the mixture and bring it to 25ml, what will be the concentration ofthe final so..
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half cell reactions at 25 deg c. what is the
If a person wished to reduce the retention time of a non-polar compound in Reverse phase HPLC, what factors might I change to reduce the non-polar compounds retention time
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3.
A 500-liter tank contains air at pressure 300 kPa and temperature 500K. Calculate the mass of the air in the tank
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
Calculate the standard molar enthalpy of formation of carbon dioxide from the following enthalpy changes. 2C(s) + O2(g) --> 2CO(g) [?H0 = -221.0kJ] and 2CO(g) + O2(g) --> 2CO2(g) [?H0= -566.0kJ] What thermodynamic principle does this exemplify
in order to get maximum calorific output a burner should have anoptimum fuel to oxygen ratio which corresponds to 3
Assume that you have an aqueous solution of an unknown salt. Treatment of the solution with dilute BaCl2, AgNO3, and Cu(NO3)2 produces no precipitate. Which of the following anions might the solution contain
Find the pH during the titration of 20.00mL of 0.1000M triethylmine, Kb=5.2x10^-4, with 0.1000M HCl solution after the addition of 10.00mL of titrant
what is the final concentration of NaOH when 50.0 mL of .200 M NaOH is added to 50.0 mL of 0.500 M NaOH?
In his explanation of the photoelectric effect, Einstein stated that the incident radiation had to have a minimum energy to dislodge the electron from the metal surface. This energy is called the work function.
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