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An alloy is 80% by volume iron. The rest is aluminum. Aluminum has a density of 2.70 g/cm³, and iron's is 7.87 g/cm³. A block of alloy measures 2.0 ft. wide and 3.0 ft. long, if the block contains 25.8 pounds of aluminum, how thick is the block?
A gas in a canister with a volume of 2.0L at 1.0 atm and 21.0 degrees C is transfered to a smaller container with a volume of 0.75L under 2.0 atm pressure. What is the temperature of the gas under these new conditions
Elemental analysis of the solid suggested the composition C9H10O3. The solid melted at 117 °C and gave the following nmr spectra and the ir spectrum. What is this material and why and how did it come to be in both of these sources?
Draw the carboxylic acid produced from the acid hydrolysis of butyl acetate (butyl ethanoate)
A gas is confined to a container with a massless piston at the top. (Figure 2) A massless wire is attached to the piston. When an external pressure of 2.00 is applied to the wire, the gas compresses from 5.90 to 2.95
What is the predicted number of 13C NMR peaks for methylcyclopentane and 1,2-Dimethylbenzene respectively
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
Identify the Qual I cation(s) that is (are) confirmed present in a test solution by the formation of a precipitate.
The temperature of the calorimeter and its contents increases from 20.00 C to 23.69 C. What is the heat capacity of the calorimeter (J/C)
Rank the compounds(acetone,butane,acetic acid, 2-propanol, 2-methylpropane, 1-propanol) by vapor pressure, label the one that has the lowest vapor pressure and the one that has the highest.
One form of hemoglobin is 0.345% Fe by mass, and each hemoglobin molecule contains four iron atoms. Calculate the molar mass of this form of hemoglobin.
Using the data collected for part B on your data sheet, calculate the molar mass of the unknown acid. Mass of unknown acid is .501g and volume of NaOH used was 17.51mL Unknown acid was dissolved in 50mL of deionized water prior to being diluted wi..
methane and air in stoichiometric proportions are brought into a calorimeter at 500k. the product compositions is
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