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The equilibrium constant, Kc for the reaction: Ni(s) + 4CO(g) Ni(CO)4(g) is 5.0 × 104 at 25°C. What is the equilibrium constant for the following reaction? Ni(CO)4(g) Ni(s) + 4CO(g)
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5
Species that have the same number of electrons are described as isoelectronic. What +2 ion is isoelectronic with Rb+ What -ion
Nitrogen is contained in a 300 ml vessel at 400 mm Hg and 10°C. How many grams of nitrogen are in the vessel?
what product and how much of it would you obtain if you heated 1.0mL of ethanol with 2.0 mL of glacial acetic acid in the presence of a few drops of sulfuric acid?
Grams and centimeters in the metric system have been defined so that the density of water at 3.98 C is exactly 1. At 20 C, the density of water is 0.9982 g/ml. What percent error results from the assumption that the density of water is 1.000 g/ml ..
Calculate the molarity of a solution of acetic acid made by dissolving 19.00 of glacial acetic acid at 25 in enough water to make 230.0 of solution.
173.3 g of NaCl completely dissolves (producting NA+ and Cl- ions) in 1.00 kg of water at 25.0 degrees celcius. the vapor pressure of pure water at this temperature is 23.8 torr. Determine the vapor pressure of the solution. A)19.3 torr B)23.8 tor..
If the water in a well has 1000.0 mg/L of CaCO3 dissolved in it, How many grams of Na2C2O4 could you mix with 100.0 mL of that water before a precipitate would form
Heat energy is added to a 352 g block of nickel, and the temperature increases from 21 degrees C to 53 degrees C. If the same amount of heat was added to the same mass of water at the same temperature, what would the water's final temperature be
What is the activation energy for this reaction? a) 112 kJ/mol. b) 56 kJ/mol. c) 28 kJ/mol. d) 336 kJ/mol. e) 448 kJ/mol.
a sample of gas occupies 328 mL at 20 degrees C. What is its volume when the temperature is increased to 45 degrees C.
Which of the following reactants would yield chlorocyclopentane as the product of an addition reaction
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