Calculate the formula of unknown hydrocarbon
Calculate the formula of unknown hydrocarbon. If a hydrocarbon mixture has 60.0 % by mass of C3H8 and 40.0 % of CxHy. When 10.0g of this mixture is subject to combustion analysis, 29.0g CO2 and18.8g H2O are the only products.
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A 10.0 mL sample of gastric juice obtained several hours after a meal in a hospital laboratory was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was needed.
Draw a diagram of how you plan to make your serial dilutions. Suppose you need to prepare five 2X serial dilutions in water of a 2.5mg/ml protein stock solution.
What fraction of a sample of cyclobutane remains after 612 seconds under the specified conditions when the first order rate constant is k=3.4 x 10^-3 s^-1 for the decomposition of cyclobutane > 2(ethylene) with a half life of 204 seconds.
Explain what mass of platinum is contained in this sample? The platinum-containing cancer drug contains 65.0 mass-percent of the metal, if you have 1.53g of the compounds.
A long solenoid comprises of 1800 turns and consists of a length of 0.55 m. The current in the wire is around 0.46 A. Determine the magnitude of the magnetic field within the solenoid?
Make the three resonance structures for the aryliumintermediate that occurs in the formation of 1-nitronaphthalene and2-nitronaphthalene.
Pluto, the second biggest dwarf planet in the Solar System, consists of a radius R = 1140 km and an acceleration due to gravity on the surface of magnitude g = 0.66 m/s2.
Why the proton diffraction an interesting technique for the investigation of molecular structure? To what speed must a proton be accelerated for it to have a wavelength of 100pm? Explain what accelerating potential difference is required?
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In conclusion, the good book says, "Finally, brothers and sisters, whatever is true, whatever is noble, whatever is right, whatever is pure