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A 2.52 g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O2 to yield 3.52 g of CO2 and 0.839 g of H2O. Another sample of the same compound, of mass 4.14 g, yielded 1.75 g of SO3. A reaction to determine the nitrogen content was carried out on a third sample with a mass of 5.66 g and yielded 1.88 gHNO3 (assume that all of the nitrogen in HNO3 came from the compound).
Calculate the empirical formula of the compound.
Express your answer as a chemical formula. Enter the elements in the order: C, H, S, N, O.
If you allow 10.0 g of sodium chlorite to react with 2.00 L of chlorine at 1.50 atm and 21 degrees Celsius, what would be the volume of the chlorine dioxide produced and measured under the same conditions of temperature and pressure? a. 4.0 L ..
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
Three students in the class determine the weight of the crucible by repeated weighings on a simple balance. (A) Using the following information, which student has done the most accurate determination? (B) Which student has done the more precise de..
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
Balance each of the following equations. Classify each reaction as combination, decomposition, single-displacement, or double-displacement.
If 24mL of 6.6 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? If 24mL of 6.6 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize..
What is the role of sodium sulfite in the experimental procedure of the creation of Benzoic acid. -I know that it breaks down any remaining bleach that did not react, but can someone please explain how it works
the activation energy for the following reaction is 60. kjmol.sn2 2co3 rarr sn4 2co2by what factor how many times
170 mL of an HCl solution with pH of 2.30 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
Ammonium will react with oxygen in the presence of a copper catalyst to form nitrogen and water. At 179 C, the rate constant is 0.602 hr-1g-1 and at 160.5 C, the rate constant is 0.151 hr-1g-1. What would you expect the rate constant to be at 195...
suppose that the microwave radiation has a wavelength of 12 . how many photons are required to heat 275 of coffee from
what is the titer of the iodine solution of 0.1 g smaple of pure ascorbic acid and 25.32 ml of iodine was required to
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