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From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol, delta S = 30.0 J/K*mol Reaction B: delta H = 1.8 kj/mol, delta S = -113 J/K*mol
Chemistry, Academics
A 3.15- sample of NH4NO3 is introduced intoan evacuated 2.26- L flask and then heated to 245 C. What is the total gas pressure, in atmospheres, in the flask at245 C when the NH4NO3 has completely decomposed?
Hydrogen peroxide was catalytically decomoposed and 75.3 mL ofoxygen gas was collected over water at 25 degrees celsius and 742torr. What mass of oxygen was collected? (Pwater =24 torr at 25 degrees celsius)
What are Transition Metals and what specifically happens to transition metals that results in solutions that give off distinct colors?
How many grams of H2SO4 must be dissolved into 0.709 L of solution to generate a concentration of 0.303 M?
Calculate the volume in milliliters of a 0.616M barium chlorate solution that contains 475.mmol of barium chlorate (Ba(ClO3)2). Round your answer to 3 significant digits.
Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?
The threshold wavelength for the photoelectric effect for silver is 262nm. What is the work function for silver and what is the maximum KE of an emitted electron if the incident light has a wavelength of 212nm?
Over the next 12 months Bradley Metals (Located in Vancouver) will order aprox. 6000 of forging units (from Kurrat Tools, located in Montreal) with the average weight of 15 LBS/unit.(6000/12= 500 units per month). 6,00 ...
A decompression chamber used by deep-sea dives has a volume of 10.3 m 3 and operates at an internal pressure of4.5atm. What volume, in m 3 would the air in the chamber occupy if it were at 1 atm pressure, assuming no t ...
A mixture containing 3.3 moles of NO and 0.76 mole ofCO 2 was allowed to react in a flask at a certaintemperature according to the equation. NO (g) + CO 2 (g) ↔ NO2 (g) + CO (g) At equilibrium 0.21 mole of CO 2 was pr ...
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