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The rate constant of a chemical reaction raised from 0.100 s-1 to 3.00 s-1 upon elevate the temperature from 25.0 C to 35.0C. Delta T = -1.09x10-4
Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.16M CH3NH2 and the pH of 0.16M CH3NH3Cl
what xharcyeristic of the spectra did edwin hubble use and how was it used for velocities?
If a sample containing 2.03 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
Calculate the osmotic pressure of the mannitol solution of part( b ) when it is measured against pure water, and compare it withthe osmotic pressure of the ideal solution.
Calculate the weight of water required to steam distill 500 mg of bromobenzene at 95 degree Celsius. The vapor pressure of water at this temperature is 640 torr; that of bromobenzene is 120 torr
Calculate a lattice energy for (in kilojoules per mole) using the following information.
In the recrystallization procedure, an Erlenmeyer flask is commonly used during the step in which the crude is dissolved in the solvent of choice. Furthermore, if the recrystallization is slow typically the flask is closed with a cork.
a 10m solution. 20 g of solute was dissolved in 100 ml of water.what is the molecular weight of the solute used in the
An analyst collects and melts 555.0 g of snow. a 100 g portion of the resulting water is made basic with ammonia, treated with cyanide and to mask other metal ions, and then extracted with 10.0 mL of a solution of dithizone in chloroform. the chlo..
For the decrease of camphor into isobornel, you must place the camphor, methanol solvent, NaBH4 mixture in a steam back for two minutes, and then remove, permit to cool and then add ice cold water. Explain what is the purpose of both of these steps
Could you please explain to me the purpose and what's happening when we add the MTBE and then the NaHCO3? I know it has to do something with getting rid of carboxylic acid? and then getting rid of water
calculate the composition in weight percent of an alloy that contains 90 kg of fe 20 kg of cr and 15 kg of ni. what is
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