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A bottle of 350 K contains an ideal gas at a pressure of 1.50 *E5 Pa. A rubber stopper is removed and you hear a pop as the gas expands quickly and adiabatically against Pext = 1.00*E5 Pa and some of the gas is expelled from the bottle. When P=Pext, the stopper is immediately replaced. The gas inside the bottle slowly equilibrates and goes back to having a temperature of 350 K. What is the final pressure inside the bottle, assuming the gas is monoatomic (Cv=3R/2)? What if the gas is diatomic (Cv=5R/2)?
When table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following unbalanced chemical equation
1.5 mol of oxygen are mixed with an unknown amount of nitrogen in a 2.0 L container at a temperature of 26.0C. If the final pressure of the mixture is 20.3 atm, what is the number of moles of nitrogen in the container
Using the molecular orbital model, write electron configuration for the following diatomic species and calculate the bond orders. Which ones are paramagnetic
A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
Two moles of a monoatomic gas are contained atpressure 1 atm and teperature 300 k. 34, 166 joules of heat are transfered to the gas as a result the gas expands and does work on the surroundings of 1214 joules.
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP
what are the boiling point and freezing point of a 4.33 m solution of naphthalene in benzene? the boiling point and
How would you expect the amino acids glycine, alanine, and phenylalanine to travel relative to each other on the silica plates using a mixture of chloroform/methanol/ammonia? Explain your answer.
as a result of a chemical spill benzene is evaporating at the rate of 1 gram per minute into a room that is 6 m 6 m 3
A 5% solution by weight of an unknown non-electrolyte in water has a density of 1.018 g/mL if this solution exhibits an osmotic pressure of 3.57 ATM at 25C what is the MM of the unknown
A solution containing 80.5g of C6H8O6 dissolved in 210g of water has a density of 1.22 g/mL at 55 C. State the concentration of C6H8O6 in each of the following
write a balanced equation for the reaction of phosphorus trichloride pcl3 with water h2o forming phosphorous acid h3po3
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