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Question- Arizona was the site of a 400,000 acre wildfire in June 2002. Assuming that the density of carbon in biomass was about 10kg C/m^2 and that 50% of this burned to make CO2, about how many kilograms of CO2 were produced by this fire? (the conversion of 10,000 m^2= 2.47 acre)
Please take care to answer each question mark in the equations
Acid #1 has 1700 mg of sodium bicarbonate, antacid #2 has 500 mg of calcium carbonate. Which tablet is capable of reducing the most acid and why?
A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is
Rhenium has 2 naturally taking place isotopes- Re-185 with a natural abundance of 37.40 percent and Re-187 with a natural abundance of 62.60 percent. The sum of the masses of the two isotopes is 371.9087 amu. Determine the masses of the individual..
If 3.00 g of PbO2 was allowed to react with 2.00 g of Pb and 2.00 g of sulfuric acid, then 0.0116 mol of PbSO4 was obtained. What was the percent yield of PbSO4 (by weight) for this reaction?
Set of quantum numbers listed in the form: (n,l,ml, ms). for each set of quantum numbers, indentify the corresponding orbital (1s, 2s, 3s....etc) if not allowed say not allowed.
What is the atomic mass of Tc as it would appear in the periodic table. Do not enter units with your answer and use the correct number of significant figures.
solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. write a
at 900 k the following reaction has kp 0.345.2 so2g o2g 2 so3gin an equilibrium mixture the partial pressures of so2
The Haber process is very important for agriculture because it converts N2 (g) from the atmosphere into bound nitrogen which can be taken up and used by plants. The reaction is N2 + H2->NH3
Write structural formulas for six, recognizing that the molecular formula may be twice the empirical formula in some of them.
An aqueous solution contains 4.90% NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL. What is the molarity of NH3 in the solution?
What is the freezing point of a solution prepared by dissolving 39g of benzene (C6H6) in 500g of cyclohexane. Fp for cyclohexane is 6.6 C Kf=20.0 C/m.
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