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A 7.069 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 8.969 grams of CO2 and 2.448 grams of H2O are produced.
In a separate experiment, the molar mass is found to be 104.1 g/mol. Determine the empirical formula and the molecular formula of the organic compound.
the original conditions on a container filled with gas at a constant temperature are 180 cc and 300 mm hg. the desired
Assume air to act like an ideal gas. The long and short arms are 1m and 0.5 m long, respectively, and effects due to the curvature of the bottom may be neglected. Take atmospheric pressure to be 76 cm Hg.
Write the molecular formula for a compound with the possible elements C, H, N, O that exhibits a molecular ion at 68.0625. please explain it because I want to know how to do it.
1. A copper atom has a radius of 135 pm. If you place copper atoms side by side, how many atoms would it take for the line of atoms to be 1.00 mm across?
The rate constant for this reaction at 25 degrees C is 4.9 x10-6 L/(mol s) while the rate constant at 35 degrees Cis 1.5 x 10-5 L/(mol s). Use this data to calculate the energy of activation for this reation.
An unknown gas sample was dissolved in water at 25°C, producing a solution with a concentration of 4.7 x 10-4 M at 522 mm Hg. What is the Henry's law constant for the unknown gas
portion of that solution is diluted by adding 167 mL of water. What is the final concentration? Assume the volumes are additive.
Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 490 kJ of heat.
Calculate the theoretical yield in grams of the precipitate formed. 3. If the actual yield of the experiment was 90.5 mg, what is the % yield of Ag3PO4
You have an application that requires a single crystal metal rod to support a tensile load (along the long axis) without experiencing plastic deformation.
Fish are processed into Fish meal and used as a supplemen- tary protein food. In the processing the oil is First extracted to produce wet Fish cake containing 80 wt % water and 20 wt % bone-dry cake
Determine the enthalpy change deltaH for the reaction at 298 K B. Determine deltaS surr for the reaction C. Determine deltaS sys for the reaction D. Determine deltaG for this reaction. Will this reaction be spontaneous
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