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Question- At what temperature is the change in entropy for the reaction equal to the change in entropy for the surroundings?
A reaction has delta Hrxn= -125KJ and delta Srxn= 330J/K.
Solve the above problem in detail no word count
The directions say to set these out in the garden before the last frost; after about 4 days, you can plant frost sensitive plants without worrying about them freezing to death. What are the physical principles behind how they might work
a boy wants to prepare a 250ml of a buffer that is ph4.50. beginning with 100ml of 0.12 moll ch3cooh and a supply of
Problem- Determine the volume in mL of 0.24 M LiOH(aq) needed to reach the equivalence (stoichiometric) point in the titration of 23 mL of 0.28 M formic acid(aq). The Ka of formic acid is 1.8 x 10-4.
At 295 K, Keq = 7.0 x 10-2 for the following equilibrium: NH4HS(s) ? NH3(g) + H2S(g) What is the equilibrium partial pressure (in atm) of H2S.
determine the carburizing time necessary to achieve a carbonconcentration of 0.45 wt at a position 2 mm into an
question a sucrose table sugar molar mass 342 gmol solution was made by dissolving 68.2g of sucrose in 800 g of water.
Calculate how long it would take to cook a traditional three-minute egg on top of Mt. McKinley in Alaska on a day when the atmospheric pressure there is 355 torr.
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 7.0X10^-2 M NaOH.
in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
a voltaic cell employs the following redox reaction nbspsn2aq mns--gt sns mn2aqcalculate the cell potential at 25
Why would the cell potential be higher with the addition of 6 M Na2S solution to .001 M of CuSO4 (compared to 6 M NH addition to .001 M CuSO4)
What is the equilibrium partial pressure of NO in the air at 1000K if the partial pressure of nitrogen is 0.80bar, the partial pressure of oxygen is 0.20bar and delta G for the following reaction is 77.772kj/mole
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