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Chem Exam III Lon Capa Review Questions And Answers With Verified Solutions Already Passed {GRADED A+} $13.99
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Chem Exam III Lon Capa Review Questions And Answers With Verified Solutions Already Passed {GRADED A+}
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Chem Exam III Lon Capa Review Questions And Answers With Verified Solutions Already Passed {GRADED A+}

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  • January 9, 2025
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • chem exam iii lon capa review questions and answer
  • how do scientists define work
  • how do scientists define heat
  • from a microscopic perspective what is temperatur

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  • Capa certification
  • Capa certification

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Chem Exam III Lon Capa Review
Questions And Answers With Verified
Solutions Already Passed {GRADED A+}
How do scientists define work?
Answer: A force acting over a distance.

How do scientists define heat?
Answer: The flow of energy due to a temperature difference.

From a microscopic perspective, what is temperature?
Answer: A measure of the random motions of the components of a substance.

How do scientists divide up the universe when dealing with energy changes?
Answer: The system (what they want to focus on) and the surroundings
(everything else).

Which of the following is an example of an endothermic process (a process
that absorbs or requires heat)?
Answer: Boiling water.

Endothermic or Exothermic?
Your hand gets cold when you touch ice.
Answer: Exothermic.

Endothermic or Exothermic?
The ice melts when you touch it.
Answer: Endothermic.

Endothermic or Exothermic?
Ice cream melts.
Answer: Endothermic.

Endothermic or Exothermic?
Propane is burning in a propane torch.
Answer: Exothermic.

, Endothermic or Exothermic?
Two chemicals mixing in a beaker give off heat.
Answer: Exothermic.

Which of the following is not explained by Rutherford's nuclear model of the
atom?
Where are the protons located in an atom?
Where are the electrons located in an atom?
Why are atoms neutrally charged?
How are the electrons moving in an atom?
Answer: Where are the electrons located in an atom? How are the electrons
moving in an atom?

Consider two forms of electromagnetic radiation, A and B, where the
wavelength of A is longer than the wavelength of B.
The frequency of A is ____ than the frequency of B.
The energy of the photons of A is ____ than the energy of the photons of B.
Answer: Less; less.

Which of the following statements is true?
The ground state of an atom is the lowest possible energy state.
The energy levels of atoms are continuous, that is, a broadband of energies are
allowed.
An excited state of an atom or ion is one where it has lost one or more electrons.
Light is not wave-like as was once thought, but is, in fact, particle-like.
A blue photon carries less energy than a red photon.
Answer: The ground state of an atom is the lowest possible energy state.

Which of the following statements is false regarding the Bohr model of the
atom?
An electron can absorb a photon of a specific energy to move to a higher energy
level.
This model fits the data from hydrogen and many other atoms.
The electrons orbit the nucleus only at very specific (quantized) distances from the
nucleus.
An electron can emit a photon of a specific energy to move to a lower energy level.
Answer: This model fits the data from hydrogen and many other atoms.

Which of the following statements is true regarding the wave mechanical
model of the atom?

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