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a) Presuming a concentration of 1200ppmv, Explain what will be the pH of rainwater assuming CO2 is the merely compound influencing pH.
b) Explain how much can the pH change if 300 mg/L TCE (C2HCl3) is cheap completely to ethene with H2 as the electron donor? Presume a completely un-buffered system.
A(aq) 2B(aq) Kc-7.97e-6 at 500K If a 3.40 M sample of A is heated to 500 K, what is the concentration of B at equilibrium
What is the concentration of HCl in a 10,000 gallon tank if 1 gallon of 40% HCl is added? The formula weight of HCl is 36.45 g/mol.
Calculate the frequency of each of the following wave lengths of electromagnetic radiation. Part A: 488.0 \rm nm (wavelength of argon laser) Part B: 503 {\rm nm} (wavelength of maximum solar radiation) Part C: 337.1 \rm nm (wavelength of nitrogen ..
Benzyl alcohol, although a primary alcohol, reacts very rapidly in the presence of HCl forming benzyl chloride. Why is this. The phenyl ring increases the acidity of the -OH group.
It takes 16.6 min for a 10.0-mL sample of an unknown gas to effuse through a pinhole. A 10.0-mL sample of helium, He, required 5.00 min. What is the molecular weight of the unknown gas
a 55 horsepower 1800 rpm electric motor is connected to a speed reducer with a ratio of 171. neglecting friction in the
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
Why could the percent composition of a nucleophilic substitution not be determined using a refractometer. by measuring the refractive index
In the oxidation of ammonia to form nitrogen oxide; 4NH3 + 7O2 ---> 4NO2 + 6H2O, water is formed at an instantaneous rate of 42 mol L-1 s-1. A.) What is the normalized reaction rate? B.) At what rate is O2 consumed? C.) At what rate is NO2 formed?..
NH3 reacts with BF3 to form an additional compound, H3NBF3. What is the geometry around the nitrogen and boron centers in the additional compound?
Beginning with propanol as the only organic compound (expcept solvents) available,
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
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