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Transition metals can combine with carbon monoxide to form compounds such as Fe(CO)5 and Co2(CO)8. If you combine 0.150 g Ni with CO and isolate 0.437 g Ni(CO)x, what is the value of x?
Determine the pressure inside a container of a gas connected to an open-end manometer filled with CCl4, has the density = 1.594 g/cm3,
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
Compute the number of moles of sodium hydroxide ( NaOH ) in 23.75cm 3 of 0.150moldm -3
The half-life for the second order reaction of a substance A is 55 seconds when [A]o is 0.84 M. What time is needed for the concentration to decrease to 1/4 of the original value.
A 100.-L flask contains a mixture of methane, CH4, and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650. Calculate the total kinetic energy of the gaseous mixture.
a 150.0 g sample of metal at 80 c is added to 1500.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal.
A balloon filled with helium gas has a volume of 741 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km,where the pressure is 0.5 atm.
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2.
Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. If 17.1 g of Mg are heated with 9 g of H2O, what is the limiting reactant.
Calculate the mass percent of a solution that is prepared by adding 32.2 g of NaOH to 262 g of H2O.
A saline solution contains 171 mEq/L each of Na+ and Cl-. how many moles of each of Na+ and Cl- are in 1.50 L of the saline solution.
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