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The Orsat analysis of the (dry) exhaust gas from the combustion of an unknown hydrocarbon is 1.10% CO2, 1.10% CO, 18.8% O2, and 79.0% N2. Determine
a) The fuel model (CnHm),
b) The percent mass composition of the fuel,
c) The fuel/air ratio used, and
d) The dew point temperature at 0.644 MPa.
The vapor pressures of pure benzene and pure toluene at 25 C are 94.2 torr and 28.4 torr, respectively. Assuming ideal behavior
1)The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is ?0.43 V. determine which of the following is capable of reducing Eu3+(aq) to Eu2+(aq) under standard-state conditions. (a) Sn2+(aq) (b) ln(s) (c) HCN(aq) (d) La(s)
The reaction is first-order in N2O5, with the specific rate constant 6.08 x 10-4/s. Calculate the reaction rate at these conditions. a. [N2O5] = 0.200 mol/L b. [N2O5] = 0.319 mol/L
when performing a friedel-crafts alkylation reaction not only does one have the problems of multiple alkylation and
question 153 grams of metal have a specific heat of 0.061 calg c and at a temp of 99.1c is added to 85.0 grams of water
Description of Lipids 1) What are the ingredients of a cephalin? 2) Which fatty acid is always unsaturated in a cephalin? Why?
1 calorie = heat required to raise temp. Of 1.00 g of H2O by 1.0 oC. Which has the larger heat capacity? How much energy is transferred due to T difference?
At a definite temperature the pH of a neutral solution is 7.82. Explain what is the value of Kw at that temperature. State respond numerically using two significant figures
Find out What mass of the NaHCO3 reacts with the vitamin C When the tablet dissolves in H2O, it "fizzes" because the reason for this is the CHO3 reacts with the citric acid(C6H8O7 a weak organic acid) and the vitamin C?
A gas mixture contains 76% nitrogen and 24% oxygen. If the total pressure is 1.16 atm what are the partial pressures of each component
Which of the following would be the best procedure for extracting acetaldehyde from an aqueous layer to the organic layer? a. Extracting the aqueous layer one time with 200 mL of the organic solvent.
Calculate the minimum mass of ethane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. 2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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