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what is the calculated value of partial pressure of o2 in acid mine water of ph 2 in which fe2+=fe3+.
How many liters of H_2 would be formed at 704 mm Hg and 14 degrees C if 21.5 g of zinc was allowed to react?
A sample of He gas (V = 3.0 L) at 5.6 atm and 25 °C was combined with 4.5 L of Ne gas at 3.6 atm and 25 °C in a 9.0 L flask (which was initially evacuated).
An electric power station annually burns 3.3 107 kg of coal containing 1.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
Aqueous solutions of sodium thiosulfate, Na2SO3, are used as an antidote to some snakebites. How many moles of sodium ions are found in 10.0 mL of a 0.15 M solution of Na2S2O3?
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
Compounds are always composed of two or more elements. Atoms of different elements are different. Isotopes have the same number of protons but a different number of neutrons.
Chemical reactions are typically faster when a catalyst is added. This is because... 1. Molecules are moving faster when a catalyst is added
caclculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.
What is the pH at the half-stoichiometric point (half-way to the endpoint) for the titration of 0.22 M HNO2(aq) with 0.10 M KOH(aq)?
If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
slower than Friedel-Crafts alkylation of benzene and gives a mixture containing mostly o- and p-tert-butyltoluene. d. slower than Friedel-Crafts alkylation of benzene and gives mostly m-tert-butyltoluene.
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
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