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A gaseous mixture of carbon monoxide, carbon dioxide, methane and nitrogen gas is analyzed with a gas chromatograph (GC). The output takes the form of a series of peaks where each peak corresponds to a component and a peak area (A) is proportional to the moles (n) of the component ( n = kA) in the sample injected in the GC. Area of carbon monoxide is 22, the area of methane is 42, the area of carbon dioxide is 28. The molar ratio of nitrogen to methane is known to be 0.26. Find the mole fraction and mass fraction of each component, and the average molecular weight of the mixture.
In certain electrolysis experiment involving Al3+ ions, 57.0g of Al is recovered when a current of 0.352 A is used
Methane and hydrogen sulfide form when 36g H2 texts with carbon disulfide. Calculate the percent yield if the actual yield of CH4 is 69.8g.
what is the color of cocl2 (aq) solution at boiling water temperature? And in which direction did the equilibrium shift upon
Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms
Explain how these products are produced by showing the mecahnism involved. (draw).
What are the economics of manufacturing a drug either as a racemic mixture or in its biologically active form?
You use 32.0 mL of NaOH to titrate 100. mL of HCl and 22.2 mL of NaOH to titrate 50.0 mL of 0.0836 M H2SO4. Find the unknown concentrations. NaOH HCl
Which metal hydroxide will precipate first? Why? Ksp Ni(OH)2 = 6.0x10-16 Ksp Ce(OH)3 = 6.0x10-22 Ksp Cu(OH)2 = 4.8x10-20
The heat of fusion of ice (the heat associated with ice melting) is 6.0 . Find the temperature of the coffee after the ice melts.
aluminum oxide decomposes to produce aluminum metal and oxygen gas. When 9.8g of aluminum oxide decomposes, how many grams of aluminum are produced?
A rigid ball that contained 25.0 liters of air at 22°C and 6.25 atm pressure was placed in an oven at a temperature of What was the new pressure inside the ball?
Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero
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