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The combustion of an unknown amount of benzene (x moles of C6H6) in pure oxygen in a chemical reactor produces the following dry exhaust gas analysis: 44.71% CO2 and 55.29% O2. Determine
a. The actual molar and mass fuel/oxygen ratios.
b. The percent of theoretical oxygen used.
c. The molar percentage of water vapor in the exhaust gas before it was dried for this analysis.
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron is produced when 25 mol of hematite reacts with 30 mol of carbon monoxide? with the balanced equation of Fe2O3 + 3CO = 2Fe + 3CO2
A sample of 0.0256 mol of iron (III) chloride, FeCl3, was dissolved in water to give 25.0 ml of solution. What is the molarity of the solution
A gaseous mixture of O2 and Kr has a density of 1.180 g/L at 355 torr and 300. K. What is the mole percent O2 in the mixture?
What is the difference between biochemical, pharmaceutical, and diagnostic chemical reactions in healthcare?
If, in a separate experiment, one-four as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (24 ?mol) of product to be formed
At 25 degrees Celsius, .87 atm of No2(g) was allowed to decompose. At equilibrium it was found that the partial pressure of no2(g) was .81 atm. Calculate the value of kc at the temperature
A solid sample containing some Fe 2+ ion weighs 1.062g. It requires 24.12 mL 0.01562 M KMno4 to titrate the Fe2+ in the dissolved sample to a pink end point.
What volumes of these two solutions must you mix in order to obtain 200 mL of your required buffer
compounds are dissolved in 1.00 L of w ater: 0.220 mol HA (K a = 1.36 x 10 - 3 ), 0. 18 mol NaA, 0.0 8 mol H 2 SO 4 , and 0.08 mol KOH . What is the pH of the resulting solution?
What are the values of Delta H degree and Delta S degree for dissolution of PbI2? PbI( s) rightarrow Pb^(2 +) ( aq) + 2 I^( -) (aq) You may assume that Delta H and Delta S are independent of temperature
What is the pH of 1.0 x 10^-4 M phenol where ka = 1.3 x 10^-10? This is a weak acid under dilute conditions. You need to take into account water self-dissociation to find the hydronium concentration.
If a patient suffering from a duodenal ulcer displays ahydrochloric acid (36.5 g/mol) concentration of 9.28 x10-3 M in his gastric juice and he produces 2.80 liters of gastric juice per day, explain how much medication(in mL) containing 2.60 g Al(..
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