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The use of chlorofluorocarbons (CFCs) as refrigerants and propellants in aerosol cans has been discontinued because CFCs were depleting the ozone layer. If an aerosol can contained 500.0 mL of CFC gas at a pressure of 4.5 atm, what volume would this gas occupy at 1.0 atm?
A student plans to titrate 25 mL of a .134 M HNO3 solution with .179 M NaOH solution. Calculate the volume of NaOH that will be needed to reach equivalence point.
Barium sulfate is swallowed to enhance xray studies of the gastrointestinal tract. At body temperature, 37 C, the Ksp of BaSO4=1.5E-10 and the Ka of HSO4-= 7.1E-3. In the stomach, the pH is 1.00. Calculate the solubility of barium sulfate in the s..
The temperature is presumed to be constant at 25 C. Compute the charge to be made for the ethylene if the ethylene is sold at $0.41/ pound. Calculate the weight of empty cylinder and its volume. Calculate the volume of the cylinder.
when atoms of the hypothetical element x are placed together they rapidly undergo reaction to form the x2nbspmoleculea.
a 75.0 kg patient is running a fever of 105degf and is given an alcohol rub to lower the body temperature. if the
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar
Depict all the stereoisomers of the subsequent and include the relationship between each stereoisomer (That is enantiomer, meso-compound, diasteromer)
Use the equations above and easy to understand language to explain the process of dynamic equilibrium and the equilibrium constant. According to LeChatelier's Principle, what would happen if after beginning the reaction with carbon dioxide and wat..
From the perspective of a chemist, explain what a crystal is. Choose two examples of crystals, and explain how they are chemically similar to and different from one another.
What volume of 0.0500 M NaOH must be added to remove the first acidic hydrogen from each aspartic acid molecule (i.e., to reach the first equivalence point)
Given the same reactant concentrations, the reaction CO(g)+Cl2(g)------COCl2(g) at 251 degrees celsius is 66.9 times as fast as the same reaction at 165 degrees celcius. Calculate the activation energy for this reaction
Illustrate that the rate at which shaft work is obtained or needed for a reversible change of state in a closed system at constant entropy as well as pressure is equal to the rate of change of enthalpy of the system.
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