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A chemical engineer is trying to raise output of a chemical plant. She is considering utilizing an expensive catalyst or increasing the temperature of the large reaction vessel by 20 degrees Celsius to accomplish the same task. Which route will be least expensive in the short term? Long-term?
When the sample is submerged in ice water at T = 0.00 C, its volume decreases to 2.57 L. what was its initial temperature (in K and C)?
two moles of butane were completely burned in a pure oxygen atmosphere. how many ml of water was generated in this
The enthalpy of combustion of benzoic acid is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7kJ/mol.
calculate the ph of soultion prepared by adding20.0ml of 0.100m hcl to 80.0ml of a buffer that is comprised pf 0.25 M NH2NH2
Explain a constant electric current deposits 0.365g of silver metal in 12960 seconds from a solution of silver nitrate. Define what is the current. Molar mass of Ag is 107.9
How many mL of concentrated HCl (At 25C is 36.46 g/mol), should be diluted to prepare 25.0L of a solution that has a pH of 1.20
Aspirin's mode of action is to make a covalent bond with the active site of the COX II enzyme which inactivates the enzyme. A nucleophilic histidine side chain
before a plate is developed. What would happen if a plate were developed in a jar with an atmosphere not saturated with solvent vapor?
Reactions of alcohols with hydrogen halides yield the important class of compound known as alky halides. Reactivity towards the hydrogen halides with an alcohol decreases
What would the product/structure be if the reaction of methyl benzoate was a subsitution (add H and NO2 to it)?
A solution contains 1 x 10-3 M Fe2+ and 2 x 10-10 M Fe3+. As the pH of the solution is raised, which iron hydroxide will precipitate first (i.e., ferrous hydroxide, Fe(OH)2(s) or ferric hydroxide, Fe(OH)3(s)). At what pH will this occur?
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What would be the potential of t..
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