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A railroad car derails and spills 36 tons of concentrated sulfuricacid. The acid is 98.0 mass% H2SO4 and has a density of 1.836g/mL.a). What is the molarity of the acid?b). How many kilograms of sodium carbonate are needed to completelyneutralize the acid?c). How many liters of carbon dioxide at 18 degrees celsius and 745mmHg are produced as a by-product?
how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve the calcium carbonate? b) What is the Ca concentration when this is dissolved and diluted to 100.00mL
The use of high salts, e.g. "salting out" is a common technique used during protein purification. Describe the chemical process underlying this method.
How many moles of Mg3N2 would be produced when 180.0 g of Mg reacts with 85.0 g of N2.
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm.
When the flask was re-filled with an unknown gas, the same number of moles leaked out in 2.84 hours. Identify the unkown gas.
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C4H10O2: ? 1.36 (3H, d, J = 5.5 Hz); ? 3.32
The acid-dissociation constant of hydrocyanic acid(HCN) at 25.0C is 4.9x10^-10. What is the pH of a aqueous solution of 0.080M sodium
picometers and a crystal of metal X has a unit-cell that is faced centered cubic. Calculate the density of Metal X(Atomic Weight = 42.3g/mol)
Describe how you would prepare 2.00 L of 0.250 M NaOH from 1.00 M NaOH stock solution.
methane and hydrogen sulfide form when 36g H2 reacts with carbon disufide. Calculate the percent yield if the actual yield of CH4 is 69.8
a sealed balloon is filled with 1.00 l of helium at 23 degrees celsius and 1.00 atm. the baloon rises to a point in the
A typical adult bdy contais 6 liters of blood. The hemoglobin content of blood is about 15.5G /100mL. The approximately molecular weight of hemoglobin is 64500 g/mol. How many moles of hemoglobin are present in a typical adult
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