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A 2.00 gram sample containing graphite (carbon) and aninhert substance was burned in oxygen and produced a mixture ofcarbon dioxide and carbon monoxide in the mole ratio of 2.00:1.00. The volume of oxygen used was 747.0 milliliters at 1,092 K and12.00 atm pressure, Calculate the percentage by weight of graphitein the original mixture.
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low, or unaffected.
Calculate the number of grams of Mg(OH)2 that should dissolve in 100 mL of water.
A sample of N2 (g) occupies a volume of 42.0 mL under the existing barometric pressure. Increasing the pressure by 85 mmHg reduces the volume to 37.7 mL. What is the prevailing barometric pressure in mmHg
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution?
Calculate the integral of dqrev / T for each of the 4 steps in the Carnot cycle of, and sum them to prove that their sum equals zero
The ratio of oxygen (Oxygen-16 and Oxygen-18) isotopes is measured and used to determine the approximate temperature during the time that part of the ice core was formed. This method is one example of a proxy. In a few sentences, explain what a pr..
Build and elucidate a prototype model, Use your model to recommend a schedule of the burning and, if necessary buying, fuels, Use your model and its results to offer.
What is the rate constant? what would happen if you increase the concentration of NO by a factor of 1.9?
A solution is prepared from 4.5729g of magnesium chloride and 43.244g of water. The vapor pressure of water above this solution is found to be 0.3628atm at 348.0 K. The vapor pressure of pure water at this temperature is 0.3804 atm.
What is the volume of a unit cell of this metal? 4.What is the edge length of a unit cell of Fe?
What volume of hydrogen gas is produced when 0.829 mol of iron reacts completely according to the following reaction at 0oC and 1 atm?
When you react ammonia with a halogenated alkane, will you get only one organic product?
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