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how thick of a veneer is required if some of the water from the meteorite dissociates and the resulting oxygen is used to oxidize one third of Fe+2 in the outer 800 km of the 6000 km proto earth to Fe3+? Assume that after dirrerentiation the outer 800 km of the proto-earth contains 7.0 wt.% Fe and has a density of 3.4g/cm^3. Use these reactions
H2O -> H2 + 1/2O2
and
2FeO + 1/2O2 -> Fe2O3
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
A solution is prepared by condensing a 4.00L of a gas at 27 degress and 748 mmHG pressure into 58g of benzene. calculate the freezing point of the solution.
A solution was prepared by mixing 43.00 mL of 0.190 M HNO3 and 108.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
Three gases (8.00g of methane, , 18.0g of ethane, , and an unknown amount of propane, ) were added to the same 10.0L- container. At 23.0 degrees Celcius , the total pressure in the container is 5.40atm . Calculate the partial pressure of each gas ..
What products would you expect from the reaction of 1 mol of 1,3-butadiene and each of the following reagents? (If no reaction would occur, indicate that as well.)
Calculate the electrode potential of the following half cell if it was at standard conditions. Then recalculate how this changes using.
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
A 0.7549g sample of a pure hydrocarbon burns in oxygen gas to produce 1.9061g of carbon dioxide and 0.3370g of water.
What is the purpose of dissolving the acetanilide in glacial acetic acid prior to beginning the nitration reaction? What happens when you mix sulfuric acid with nitric acid?
why do we need to excess FCR? Also give 3 reasons why gallic acid is used as standard for the total phenolic assay?
What is the molarity of a nitric acid solution if 43.53 mL 0.1000 M KOH solution is needed to neutralize 20.00 mL of the acid solution
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