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What properties of crabon dioxide determine its migration in our enviroment?
What is the molar concentration of Br^- ions in a 0.235 M aqueous solution of FeBr3, assuming complete dissociation?
the following findings, express to the nearest atomic mass unit, in agreement with Dalton's atomic theory? expalin your answer.
Nitrate compounds are insoluble and form precipitates. Most carbonate compounds form precipitates due to their low solubilities. Group IA elements form compounds that are precipitates.
calculate the pressure difference in kPa between the points when (a) water is flowing through the pipeline, and (b) also when air at atmospheric pressure and 20oC with a density of 1.20 kg/m3 is flowing in the pipeline.
What mass of Ar gas (in g) is contained in a 6.40 L tank in which its pressure is 0.703 atm and the temperature is 64.0°C? Do not enter units.
furoic acid hc5h3o3 has a ka value of 6.76 10-4 at 25degc. calculate the ph at 25degc for each of the following.a a
Which of the following is the strongest acid
The volume of a sphere is . A sphere of metal has a radius of 1.56 cm. It has a mass of 147.9 grams. What is the density of this metal?
Calculate the concentrations of all species in a 0.100 M H3PO4 solution given the following Ka's: 7.5 X 10^-3 for H3PO4, 6.2 X 10^-8 for H2PO4-, and 4.8 X 10^-13 HPO4^2- Draw each of the structures.
Question- Radioactive uranium-238 decays with a half-life of 3.2 billion years. What is rate constant of this decay in year-1
How do you know if a molecule has resonance structures or does not have any structures like ethanol
Benzene is an organic liquid that freezes at 5.5 degrees celsius. how much heat is evolved when 25.5g of benzene freezes at 5.5 degrees celcius. (the molar heat of fusion is 9.94kJ/mol and the molar mass of benzene = 78.0g/mol)
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