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Discussion Topic: Understanding Microbiology
If you start with 2 cubes of ice, each with a mass of 25.0g and at a temperature of -10C, and 25.0ml of water with a temperature of 100C, what will the final temperature of the mixture be? Assume fina l state is liquid water for all species.
A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is 16 H+(aq) + 2 Cr2O72-(aq) + C2H5OH(aq) 4 Cr3+(aq) + 2 CO2(g) + 11 H2O(l)
If the equilibrium constant for a one electron redox reaction at 298k is 8.7*10^4, calculate the corresponding change in G and Ecell
question if a formic acidformate buffer is 0.031 m in formic acid and has a ph of 3.91 what is the molar concentration
A flask contains 0.180 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
List a balanced chemical equation for each of these chemical reaction types and explain how it is used
if the experimenter uses a thermometer that reads 1.4C too high how will this affect the calculated molar mass.
Co(H2O)62+(aq)+4Cl?(aq), which interconverts the blue CoCl42? ion and the pink Co(H2O)62+ ion. Will the equilibrium concentration of CoCl42? increase or decrease when the following changes occur?
how many grams of sodium lactate should be added to 1.00 l of 0.150 lactic acid or to form a buffer solution with
predict the atomic radius for selenium se given the atomic radius of sulfur s 0.104 nm and tellurium te 0.143
the solubility of kcl in h2o 34.0 g kcl100 g h20 at the temperature of twenty degree celsius. a solution warm having
For the system, 2 NO2(g) ? N2O4(g), ?G°= 113.85 kJ/mol at 1000 K. If the system was initialized using enough NO2to create a partial pressure of 0.750 atm and enough N2O4to create a partial pressure of 0.450 atm, calculate the value of ?G at this temp..
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