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The combustion of an unknown amount of methane (x moles of CH4) in a furnace results in the following dry exhaust gas molar analysis: 9.52% CO2, 4.00% O2, and 86.47% N2. Determine
a. The actual molar and mass air/fuel ratios.
b. The percent of excess air used.
c. The molar percentage of water vapor in the exhaust gas before it was dried for this analysis.
Smaller the average distance from the nucleus and the higher the orbital energy. Larger the average distance from the nucleus and the lower the orbital energy.
You can check on the properties of these two compounds in Wolfram Alpha (http://www.wolframalpha.com/) or the CRC Handbook of Chemistry and Physics.
Determine the theoretical and percent yields of ethanol if 684 g sucrose undergoes fermentation and 349 g ethanol is obtained?
Naturally occuring silver consists of two isotopes: 107Ag (51.84%) with an isotopic mass of 106.9051 amu and 109Ag (48.16%) with an isotopic mass of 108.9048 amu. What is the atomic mass of silver
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g) Use the data below to calculate the value of Kc H2(g) 2 H(g) Kc = 0.00473 1/2 H2(g) + 1/2 O2(g) OH Kc = 0..
An orange compound was added to the top of a chromatography column. Solvent was added immediately, and the entire volume of solvent in the solvent reservoir turned orange.
A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. The temperature of the surroundings is lowered by 100 K. Calculate the heat lost or gained by the system in response to this change in the external temperatu..
What is the pH of the solution halfway to the equivalence point. What is the pH of the solution at the equivalence point
A gaseous mixture of O2 and N2 contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 545 mmHg ?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
the nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103 Calories. Express this energy equivalence in joules.
Suppose If 100.0 g of powdered infant formula contains 1.66 g of CaCl2, Explain how many calcium ions are in a solution of 40.0 g of powdered formula mixed with 0.710 L of water
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