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In which of the following equilibria would the concentrations of the products be increased if the volume of the system were decreased at constant temperature?
A) H2(g) + Cl2(g) 2 HCl(g)
B) 2 CO(g) + O2(g) 2 CO2(g)
C) NO(g) + O2(g) NO2(g) + O2(g)
D) 2 HI(g) H2(g) + I2(g)
E) N2O4(g) 2 NO2(g)
Carbon dating is a well-calibrated radiometric dating system used for items generally younger than 50,000 years old (14 C has a half-life of 5730 years). A recently unearthed Viking burial mound contained a ship, a sample of which was found to hav..
At what speed (in meters per second) must a 145 baseball be traveling to have a de Broglie wavelength of 0.450
what is the total number of joules of heat energy absorbed when the temperature if 200.0g of water is raised from 10 degrees celcius to 40 degrees celcius.
one important application of reverse osmosis is the desalination of seawater. to extract pure water from seawater using
0.4768 g of oxalic acid dihydrate (H2C2O4 • 2H2O) was weighed out and titrated with sodium hydroxide (NaOH) according to the procedure in the handout. Vi was recorded from the buret as 5.91 mL. Vf was recorded from the buret as 42.28 mL. Calculate..
The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
A solution containing 100g of unknown liquid and 900g water has a freezing point of -3.33C. Given Kf=1.86C/m for water, determine the molecular weight of the unknown liquid and express your answer in g/mol.
From the examples you state, select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes. Define a buffer and explain how a buffer works.
Calculate and record the following for the experiment performed with 20g KClO. mass of the crucible with manganese(IV) dioxide (in grams): 54.200g
Calculate the mass percent of copper(II) sulfate pentahydrate in the recovered sample.
Calculate the potential of the cell below. The absorbance of the solution of the solution in the Nickel cell is 0.347 in a 2 cm cell. (The molar absorptivity of Ni(en)2 (2+ charge) is 3,500, the fractional dissociation of en = 1.16 x 10^-4, kf=3.0..
From data below, calculate the total heat (in J) associated with the conversion of 0.499 mol ethanol gas (C2H6O) at 301°C and 1 atm to liquid ethanol at 25.0°C and 1 atm.
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