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Problem- Given that the initial rate constant is 0.0170s^-1 at an initial temperature of 27 C , what would the rate constant be at a temperature of 110 C for the same reaction described in Part A?
Express your answers to three significant figures separated by comma.
calculate the ph of an aques (buffered) solution with a volume of 400ml which contains 35.8 g of nh4cl, ammonium chloride, and 23.2 g of ammonia, nh3, (kb= 1.8x10^-5
write up the chemical reaction between resorcinol and phtalic anhydride.
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
calculate the theoretical moles of NaOH that should be necessary to reach the equivalence point
What are the electron configurations of the following metal ions: Fe3+, Zr4+ and Co3+. Draw a) the high-spin electron configuration for a complex containing Fe2+ and b) the low- spin electron configuration for a complex containing Fe2+. Assume an ..
Consider HA- the intermediate form of a diprotic acid. Ka for this species is 10-4 and Kb is 10-8. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water. Can anyone explain that
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction C2H6 (g)+ H2 (g) -> 2CH4
Write equations showing how each of the following weak bases ionizes water to form OH- a) HCO3- b) CH3NH2 Identify all of the phases in the answer (ex: NH3 = NH3(aq)+H2O(l) NH4+(aq)+OH-(aq))
How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution.
the average number of collisions per cubic meter per second for the molecules of argon at 0 degree Celsius and 1 bar of pressure. (d) what values would be obtained at 1000 degree celsius and 1 bar? (e) At 0 degree celsius and 100 bar
A titration is carried out to determine the concentration of the acid in an old bottle of aqueous HCl whose label has become unreadable.What is the HCl concentration if 32.1mL of 0.250M NaOH is required to titrate a 30.0mL sample of the acid
a 64g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and
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