Enthalpy Of Mixed Gases
Open Question: Chemistry 2 AP help needed? | High Pressure ...
E)Assuming identical intermolecular forces in the two samples, sample A should be more nearly ideal than sample B.
22.A vessel with a volume of 10.0 L contains 2.80 g of nitrogen gas, 0.403 g of hydrogen gas, and 79.9 g of argon gas. At 25°C, what is the pressure in the vessel?
23.A gaseous mixture containing 1.5 mol Ar and 3.5 mol CO2 has a total pressure of 7.0 atm. What is the partial pressure of CO2?
24.A 140.0-g sample of water at 25.0°C is mixed with 100.0 g of a certain metal at 100.0°C. After thermal equilibrium is established, the (final) temperature of the mixture is 29.6°C. What is the heat capacity of the metal, assuming it is constant over the temperature range concerned?
25.Which statement is true of a process in which one mole of a gas is expanded from state A to state B? E)The freezing of water is an example of an exothermic reaction.
27.Two metals of equal mass with different heat capacities are subjected to the same amount of heat. Which undergoes the smallest change in temperature?
28.Which of the following statements correctly describes the signs of q and w for the following exothermic process at P = 1 atm and T = 370 K? H2O(g) H2O(l)
29.How many electrons can be contained in all of the orbitals with n = 4?
30.If n = 2, how many orbitals are possible?
31.List the following atoms in order of increasing ionization energy: Li, Na, C, O, F.
32.The statement that the lowest energy configuration for an atom is the one having the maximum number of unpaired electrons allowed by the Pauli principle in a particular set of degenerate orbitals is known as
33.Which of the following combinations of quantum numbers is not allowed? E)
42.The hybridization of the central atom, Al, in AlBr3 is
43.What diatomic molecule has a bond order of 2?
44.The hybridization of I in IF4– is
45.In the molecule C2H4 the valence orbitals of the carbon atoms are assumed to be what hybridization?
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