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College Quantum Physics and the Atom
How is energy transferred?
  1. in packets of energy called protons
  2. in the form of subatomic particles
  3. in the form of photons and subatomic particles
  4. in the form of photons
College Quantum Physics and the Atom
Which form of electromagnetic radiation is associated with the bright-line spectra of hydrogen atoms?
  1. Infrared Radiation
  2. X-Ray
  3. Gamma Ray
  4. Microwave
College Matter
Metals, minerals, water and air are examples of:
  1. natural alloys
  2. inorganic substances
  3. compound gases
  4. proteins
College Thermodynamics
Which of the following correctly represents when the equilibrium point occurs?
  1. When the value of ∆Gº=1, only
  2. When the value of ∆Gº<0, only
  3. When the value of ∆Gº>0, only
  4. At the lowest value of free energy available to the system
College Quantum Physics and the Atom
Which of the following correctly describes the Heisenberg Uncertainty Principle qualitatively?
  1. We cannot determine the exact path of an electron
  2. We cannot determine the exact location of an electron
  3. We cannot determine the exact path and location of an electron simultaneously
  4. None of the above
College Thermodynamics
Which of the following correctly describes an increase in entropy?
  1. freezing
  2. crystallization of a solution
  3. dissolving
  4. condensation
College Matter
Which of the following equations correctly demonstrates Graham's Law of Diffusion and Effusion?
  1. Rate of effusion of gas 1Rate of effusion of gas 2=√MW1MW2
  2. Rate of effusion of gas 1Rate of effusion of gas 2=√MW2MW1
  3. Rate of effusion of gas 1Rate of effusion of gas 2=MW1MW2
  4. Rate of effusion of gas 1Rate of effusion of gas 2=MW2MW1
College Thermodynamics
Which of the following always result as products of the combustion of fossil fuels?
  1. carbon dioxide and oxygen
  2. carbon, oxygen, and water
  3. carbon dioxide and water
  4. hydrocarbons, only
College Quantum Physics and the Atom
In going from gamma rays to microwaves, how do wavelength and energy change?
  1. Wavelength and energy both increase
  2. Wavelength and energy both decrease
  3. Wavelength decreases, while energy increases
  4. Wavelength increases, while energy decreases
College Quantum Physics and the Atom
Which equation correctly describes the electric force between two charged objects?
  1. F=keq1q2r2
  2. F=keq1q2r
  3. F=keq1q2r2
  4. None of the above
College Quantum Physics and the Atom
Which of the following is represented by the discrete lines in bright-line spectra?
  1. definite speeds of light
  2. definite frequencies
  3. definite wavelengths
  4. none of the above
College Quantum Physics and the Atom
Assuming that two species have the same electron arrangement, which of the following will lead to a higher ionization energy for an electron?
  1. A higher nuclear charge
  2. A lower nuclear charge
  3. A lower nuclear charge and greater electron-electron repulsion
  4. None of the above
College Quantum Physics and the Atom
How many p orbitals exist?
  1. 3
  2. 6
  3. 12
  4. 5
College Thermodynamics
Which of the following correctly classifies entropy?
  1. It is an intensive property, in that it depends on the identity of the substance
  2. It is an extensive property, in that it depends on the number of moles
  3. It is neither extensive nor intensive
  4. It is an extensive property, in that it depends on the identity of the substance
College Quantum Physics and the Atom
Which of the following can be inferred from the results of photoelectronic spectroscopy?
  1. It allows the structure of protons to be observed
  2. It allows the electronic structure of atoms to be determined
  3. It allows the structure of neutrons to be observed
  4. None of the above
College Thermodynamics
Which of the following represents ∆Gº, in terms of temperature?
  1. ∆Gº=∆Hº+T∆Sº
  2. ∆Gº=∆Hº-T∆Sº
  3. ∆Gº=∆Hº-T∆Sº
  4. ∆Gº=-∆Hº-T∆Sº
College Thermodynamics
Which of the following hydrocarbons are present in natural gas?
  1. Methane
  2. Ethane
  3. Butane
  4. All of the above
College Quantum Physics and the Atom
What is the wavelength of an emitted photon, if the energy change associated with it is 2.1336×10-18J?
  1. 1.07×108m
  2. 1.07×107m
  3. 5.035×106m
  4. 5.035×107m
College Quantum Physics and the Atom
On an electron density map, how can one discern the most probable location of an electron?
  1. By the region that is most intense and darkest
  2. By the region that is light and dark
  3. By the region that is lightest
  4. None of the above
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