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Suppose that in a train derailment, a tank car load (80,000 litres) of concentrated hydrochloric acid is spilled. It is to be neutralized with calcium carbonate according to the following balanced equation:
CaCO3 + 2 HCl ----- CaCl2 +H2O + CO2
How many kilograms of calcium carbonate would be needed for complete neutralization? Concentrated hydrochloric acid is 38.0 % HCl by mass and has a density of 1.19 g/mL
add the angular wave function for a 2s electron of carbon to that of a 2py electron of the same carbon atom. subtract
Define the Henry's Law constant for sulfur dioxide gas in water at 25 degrees Celsius is 1.47 mol/L-atm. Compute the solubility of sulfur dioxide in water at 25 degrees Celsius in moles/L if the partial pressure of sulfur dioxide in the headspace ..
A) Calculate ΔS° for the following reaction: 2 CH3OH(g) + 3 O2(g) → 2 CO2(g) + 4 H2O(g) B) Use the following data to estimate ΔHf° for magnesium fluoride: Mg(s) + F2(g) MgF2(s)
Write a mechanism for the reaction. Include arrows to show electron flow. Number and write out each step individually.
List the "tricks" you learned today about ionic bonds. - Write the electron configuration for Br.- Write the electron configuration for Na.
How many liters of ethylene glycol
bathed by an atmosphere of nitrogen at 77K and 1 bar? Assume every nitrogen molecule that strikes the surface sticks and that a nitrogen molecule covers an area of 1.1e^5 pm^2.
can you explain hesss law? how does the quantum mechanical model of the atom explain the difference between the
describe the mechanism for the reaction of bromine to Ethene and state the type
Draw a newman projection (about the C3-C4 bond) of the most stable conformation of 2,2,3,4,5,5 hexamethyl hexane for the meso stereoisomer.
calculate concentration of chromate ion (CrO4) in a 0450 M solution of chromic acid (H2CrO4). (for chromic acid, Ka = .18, Ka2 = 3.2 x 10E-7)
The burning of a piece of paper in air (to produce CO2 and H2O vapor) is a spontanous reaction exothermic reaction. What would be necessary to start this reaction
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