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A certain reaction is spontaneous at 134*C if the enthalpy change for the reaction is 198 kJ/mol. The minimum value of delta s for the reaction has to be? (We've got a temperature, you got a delta h. Calculate delta s.)
what are some valid resonance structures for cs2?other than scs can i have s triple bonded to c single bonded to s?
Explain how the creation of coal, graphite, diamond and - buckminsterfullerene permits the required bonds to form. If you could answer in 100 - 150 words paragraph, I would highly appreciate it. If you could include references. Thanks.
Choose the answer that shows a correctly balanced equation.
Consider the steel tank whose volume is 42.0 L and which contains oxygen gas at a pressure of 18,000 kPa at 23° C. What mass of oxygen does the tank contain?
The other plate was placed in a chamber containing ethyl acetate, and after developed it showed two spots, one with an Rf value of 0.15 and one with an Rf value of 0.46. Explain how this occurred
Calculate the mass of water vapor produced when 6.00 L of propane (C3H8) gas undergo complete combustion at a temperature of 250C and a pressure of 1.00 atm.
in a controlled greenhouse at 30.0c and 1.0 atm a crop of seeding tomato plants was found to consume 380 l of carbon
Passivation, Miscible, Button Battery, Solute, Galvanization A. Protecting a metal from corrosion by covering it with another metal with a more negative reduction potential.
After completing th calculations below, sketch the PH curve for the titration of 30.0 mL of a 0.125M solution of a weak acid, HA(ka=1.3*10^-5) with 0.125 M KOH. indicate the pH at a) the beginning of the titration (o.o mL titrant) after the additi..
From equation E=kQ1Q2/d and the ionic radii given in the figure , calculate the potential energy of the following pairs of ions. Assume that the ions are separated by a distance equal to the sum of their ionic radii.
The solubility product for Zn(OH)2 is 3.0*10^-16. The formation constant for the hydroxo complex, Zn(OH)4^2- is 4.6*10^17. What is the minimum concentration of OH- required to dissolve 2.0×10-2 mol of Zn(OH)2 in a liter of solution
Calculate moles of permanganate required. b. Show a balanced redox equation i. oxidation ii. reduction iii. overall c. How many moles of lead are present
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