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Two bottles of colorless liquids have been in the back of the storeroom. Due to the age of the bottles the labels have fallen off. However it's known that one is formic acid as well as the other is 1-propanol. If you were to measure the IR of these liquids, explain what differences could you use to identify the compounds?
a sample of toothpaste was analyzed for its fluoride content by treating a 250 mg samplenbspwith an ionic strength
many cigarette lighters contain liquid butane rm c4h10 lusing enthalpies of formation calculate the quantity of heat
What is the theoretical yeild of NO2 from the reaction of 43.9 g of NH3 with 258 g of O2?
A refrigeration system requires 1.5 kW of power for a refrigeration rate of 4 kJ/s. (a). What is the coefficient of performance? (b). How much heat is rejected in the condenser. (c). If heat rejection is at 40 deg. C, what is the lowest temperatur..
If 42.0 g of CO and 27.0 g of H2O are placed in a 5.0 L flask with 132 g of CO2 and 6.0 g of H2 and allowed to reach quilibrium, what will the concentration of CO be when the system finally reaches equilibrium?
When a 9.15-g sample of solid ammonium nitrate dissolves in 58.4 g of water in a coffee-cup calorimeter (see above figure) the temperature falls from 21.00 oC to 10.88 oC. Calculate H in kJ/mol NH4NO3 for the solution process. NH4NO3(s) NH4+(aq) +..
Calculate the partial pressures of CO2 and CO at equilibrium if 5.0 g of CO2 are introduced into a 10.0 L container and heated to 1200 K in the presence of 1.50 g of graphite (C (s)).
an unknown cu2 sample gave an absorbance of 0.262 in an atomic absorption analysis. then 1.00 ml of solution containing
A sample of gas inside a 150 mL piston has an initial temperature of 550 K and pressure of 8.0 atm. As the piston expands to 650 mL, the pressure decreases to 1.5 atm.
What is the molality of ethylene glycol in an engine's cooling system to ensure the solution doent freeze in a "normal" winter. (minimun temperature of -10C)
the rate law for the decomposition of n2o5 is rate kn2o5. if k 1.0 x 10-5exp s-1 what is the reaction rate when the
what is the pH of an aqueous solution composed of 0.64 M NH4+ and 0.20 M NH3? (Ka of NH4+= 5.6 x 10^-10)
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