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If 142 x 10 power of 6 metric tons of SO 2 are released per year by fossil fuel combustion, the mass of sulfur in this amount of SO2 is....................... x 10 power of 7 metric tons.
The next three (3) problems deal with the titration of 331 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.5 M KOH.
what is the pH of a buffered sysem made by dissolving 17.42 g of KH2PO4 and 20.41 g of K2HPO4 in water to give a volume of 200.0 mL
Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)
Tuning proton affinity. The pKa of an acid depends part,y on its environment. Predict the effect of each of the following environmental changes on the pKa of a glutamic acid side change.
A student heated a 4.901 g sample of hydrated iron chloride. After heating, the anhydrous iron chloride has a mass of 3.010 g. Calculate the percentage by mass of water in the hydrated compound.
Draw a circuit diagram that subtracts two inputs signals and then amplifies the subtracted signal
A mixture of gases contains 0.290 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.40 atm. Calculate the partial pressure of the gases.
The Cu-Ni system is an isomorphous one, meaning that the crystal structure does not change with alloying; in particular, Cu and Ni atoms randomly substitute for one another within a FCC crystal structure
Silver metal crystallizes in a face-centered cubic structure. The radius of the silver atom is 144.5 pm. Calculate the density of the metal in g/cm3.
What is the rate of entropy generation within the tank? 3.) If we duplicated the stream conditions (temperatures, pressures, and flowrates) with an internally reversible process, what is the maximum rate at which work could be obtained?
Oxygen gas has an oxidizing strength comparable to that of nitric acid. Patina is a green or greenish blue coating that forms on copper metal in the environment. Account for its formation.
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
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