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When 1 mol of Fe2O3(s) is formed by combustion of Fe(s)with O2(g), 824 kJ of heat is liberated. By this reaction, how many mol of Fe should be consumed in order to liberate 100. kcal of heat?
Both of the sulfur-oxygen double bonds in SO_2 are polar. In which direction should the polarity arrows point? Both of the sulfur-oxygen double bonds in are polar.
0.0834 moles no are reacted with .0854 moles o2 gas to form no2 gas according to the following equation2nogo2g
when 0.2250 g mg was heated with 0.5331 g n2gas all the mg was consumed forming 0.3114 g mg3n2.what mass of n2 is left
Identify the substance produced in the liver that helps catalyze this reaction.
The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation
Calculate the molarity of sodium sulfate in a solution prepared by mixing 35 mL of 0.15 M sulfuric acid with 15 mL of 0.85 M sodium hydroxide.
The atomic mass of Potassium 39 is 38.96371 AMU. Calculate the binding energy for a mass of this nuclide using 1.008665 AMU for the mass of the neutron, 1.007276 AMU for the mass of the proton, 0.00054858 AMU for the mass of the electron
Now assume that you started with only 1.80 g of sodium benzoate. Assuming that the reaction proceeds to form benzoic acid, what would your theoretical yield be. Use two decimal places.
A technician is plating a faucet with 0.86 grams of chromium from an electrolytic bath containing aqueous Cr2(SO4)3. If 12.5 minutes is allowed for the operation, what current is needed
A mixture is expected to contain 9.2 x 10-4 M SO42- and 1.6 x 10-3 M C2O42-. If the Ksp values for BaSO4 and BaC2O4 are 1.1 x 10-10 and 1.0 x 10-6, respectively, determine if Ba2+ can be added to precipitate 99% of the SO4 2- from the solution wit..
How Much Chlorine Must be Added to a Swimming Pool? A solution used to chlorinate a home swimming pool contains 7% chlorine by mass. An ideal chlorine level for the pool is one part per million (think of 1 ppm as being 1 g chlorine per million gra..
If the hydrated cobalt(II) ion complex from Part C were refrigerated, what would be your prediction for the color of the solution
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