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A mixture containing 3.3 moles of NO and 0.76 mole ofCO2 was allowed to react in a flask at a certaintemperature according to the equation.
NO (g) + CO2 (g) ↔ NO2 (g) + CO (g)
At equilibrium 0.21 mole of CO2 was present. Calculate the equilibrium constant Kc of this reaction.
To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
Data from a lab experiment to calculate the concentraion of the deprotoned form of p-nitrophenol in the solution that we made up which consisted of:
Describe the functional changes in blood circulation patterns of chordates from the most primitive to the most advanced.
Assuming a 70.% yield in the overall reaction, what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.9 *10^4 kg of coal that is 0.33 mass % sulfur?
if a lighter contains 2.5 ml of liquid butane den 0.8 gcm3 how much potential energy does the lighter contain
Calculate the number of moles of solute present in 50.0mg of aqueous solution that is 1.25 molality NaCl.
A Catechin can undergo acid/base chemistry. Draw the structure of Catechin in solution after excess calcium hydroxide has been added. Also, which structure will be more soluble in water? (The catechin or catechin with excess calcium hydroxide?).
A 2.88 g lead weight, initially at 10.6 C, is submerged in 7.68 g of water at 52.0 C in an insulated container. What is the final temperature of both substances at thermal equilibrium
A cook wants to heat 1.89 kg of water from 31.0 C to 100.0 C If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 kJ of heat per gram. (For the sake ..
llustrate on example between an ionic amino acid side group and the organic portion of your drug that has an ionic charge.
If 3.55 g of CuSO4 are dissolved in 925 mL of 0.30 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium Kf, Cu(NH3)42+= 1.1 x 1013 . Assume that most of the Cu2+ is converted to the complex since K is a very large number...
1.00 ml of a 3.60 times 10-4 m solution of oleic acid is diluted with 9.00 ml of petroleum ether forming solution a.
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