Question 1

If a particle is confined to a one-dimensional box of length 300 pm,for $\varPsi$ 3 the particle is most likely to be found at

Accepted Answer

A) 0 pm. 
B) 50,150,and 250 pm,respectively. 
C) 17.3 pm. 
D) 300 pm. 
E) 100 and 200 pm,respectively. 
A) 0 pm. 
B) 50,150,and 250 pm,respectively. 
C) 17.3 pm. 
D) 300 pm. 
E) 100 and 200 pm,respectively.

Question 2

You are caught in a radar trap and hope to show that the speed measured by the radar gun is in error because of the uncertainty principle.If you assume that the uncertainty in your position is large,say about 10 m,and that the car has a mass of 2150 kg,what is the uncertainty in the velocity?

Accepted Answer

A) 1 * 10-33 m.s-1  
B) 1 * 10-19 m.s-1  
C) 1 * 1033 m.s-1  
D) 1 * 1038 m.s-1  
E) 1 * 10-38 m.s-1  
A) 1 * 10-33 m.s-1  
B) 1 * 10-19 m.s-1  
C) 1 * 1033 m.s-1  
D) 1 * 1038 m.s-1  
E) 1 * 10-38 m.s-1

Question 3

Which of the following statements with respect to the photoelectric effect is incorrect?

Accepted Answer

A) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation has a slope that is equal to the value of the work function. 
B) All metals have a unique work function. 
C) The kinetic energy of the ejected electrons does not increase with the intensity of the incident radiation. 
D) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation is linear. 
A) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation has a slope that is equal to the value of the work function. 
B) All metals have a unique work function. 
C) The kinetic energy of the ejected electrons does not increase with the intensity of the incident radiation. 
D) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation is linear.

Question 4

What energy in joules does a photon with a frequency of 5.0 * 1014 /sec have?

Accepted Answer

A) 1.3 * 10-19  
B) 3.3 * 10-19  
C) 6.6 * 10-19  
D) 6.6  * 1019  
E) 3.3 * 1019  
A) 1.3 * 10-19  
B) 3.3 * 10-19  
C) 6.6 * 10-19  
D) 6.6  * 1019  
E) 3.3 * 1019

Question 5

A lawyer who received a speeding ticket argues that because of the Heisenberg uncertainty principle the radar reading is uncertain.The judge,who happens to have a science degree,rules against the lawyer.Which of the following statements is true?

Accepted Answer

A) The judge is incorrect because the uncertainty in position is large. 
B) The judge is correct because the car is so massive that the uncertainty in speed is very small. 
C) The judge is correct because the uncertainty in momentum is very large. 
D) The judge is incorrect because radar has only wave characteristics. 
E) The judge is incorrect because (m$\Delta$v)($\Delta$x)$\ge$ $ \frac{1}{2} $h. 
A) The judge is incorrect because the uncertainty in position is large. 
B) The judge is correct because the car is so massive that the uncertainty in speed is very small. 
C) The judge is correct because the uncertainty in momentum is very large. 
D) The judge is incorrect because radar has only wave characteristics. 
E) The judge is incorrect because (m$\Delta$v)($\Delta$x)$\ge$ $ \frac{1}{2} $h.

Question 6

A photon with a frequency of 2.3 * 1016 Hz has how many joules of energy?

Accepted Answer

A) 1.5 * 10-17  
B) 1.5 * 1017  
C) 3.5 * 10-17  
D) 3.5 * 1017  
E) 3.0 * 108  
A) 1.5 * 10-17  
B) 1.5 * 1017  
C) 3.5 * 10-17  
D) 3.5 * 1017  
E) 3.0 * 108

Question 7

The zero-point energy in 1,3-butadiene is larger than in 1,3,5,7-octatetraene.

Accepted Answer

A) True 
 B)False

Question 8

In a one-dimensional particle in a box,for $\varPsi$ 4,how many nodes are predicted?

Accepted Answer

A) 1 
B) 3 
C) 0 
D) 2 
E) 4 
A) 1 
B) 3 
C) 0 
D) 2 
E) 4

Question 9

How many joules of energy does a photon have with a frequency of 6.8 * 1015 Hz?

Accepted Answer

A) 4.5 * 1028  
B) 5.6 * 10-18  
C) 4.5 * 10-18  
D) 5.6 * 10-19  
E) 4.5 * 10-23  
A) 4.5 * 1028  
B) 5.6 * 10-18  
C) 4.5 * 10-18  
D) 5.6 * 10-19  
E) 4.5 * 10-23

Question 10

When radiation has a frequency of 1.5 *1015 Hz,what is its wavelength?

Accepted Answer

A) 3.0 * 10-11 m 
B) 4.2 * 10-7 m 
C) 2.0 * 10-7 cm 
D) 2.0 * 10-7 m 
E) 2.0 * 10-8 m 
A) 3.0 * 10-11 m 
B) 4.2 * 10-7 m 
C) 2.0 * 10-7 cm 
D) 2.0 * 10-7 m 
E) 2.0 * 10-8 m

Question 11

When a mole of photons has the energy 3.3 * 107 J,what is its frequency,in Hz?

Accepted Answer

A) 2.6 * 10-15 
B) 2.6 * 1016 
C) 8.2 * 10-15 
D) 8.2 * 1016 
E) 13.3 * 10-7  
A) 2.6 * 10-15 
B) 2.6 * 1016 
C) 8.2 * 10-15 
D) 8.2 * 1016 
E) 13.3 * 10-7

Question 12

Which of the following statements is the highest frequency electromagnetic radiation?

Accepted Answer

A) X-radiation. 
B) Ultraviolet. 
C) Visible light. 
D) Microwave. 
E) Radio. 
A) X-radiation. 
B) Ultraviolet. 
C) Visible light. 
D) Microwave. 
E) Radio.

Question 13

Of the following,which wavelength range is visible to the human eye?

Accepted Answer

A) 950 nm 
B) 870 nm 
C) 770 nm 
D) 500 nm 
E) 380 nm 
A) 950 nm 
B) 870 nm 
C) 770 nm 
D) 500 nm 
E) 380 nm

Question 14

Which of the following statements regarding electromagnetic radiation is true?

Accepted Answer

A) Electromagnetic radiation with a wavelength of 400 nm travels faster than that with a wavelength of 600 nm. 
B) The frequency of electromagnetic radiation determines how fast it travels. 
C) Electromagnetic radiation with a wavelength of 400 nm has a frequency that is smaller than that with a wavelength of 600 nm. 
D) Electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. 
E) Electromagnetic radiation with a wavelength of 600 nm has a frequency that is smaller than that with a wavelength of 400 nm. 
A) Electromagnetic radiation with a wavelength of 400 nm travels faster than that with a wavelength of 600 nm. 
B) The frequency of electromagnetic radiation determines how fast it travels. 
C) Electromagnetic radiation with a wavelength of 400 nm has a frequency that is smaller than that with a wavelength of 600 nm. 
D) Electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. 
E) Electromagnetic radiation with a wavelength of 600 nm has a frequency that is smaller than that with a wavelength of 400 nm.

Question 15

What is the energy of a mole of photons with a frequency of 3.2 *1016 Hz?

Accepted Answer

A) 1.3 * 107J/mol 
B) 1.3 * 10-7J/mol 
C) 3.2 * 1016J/mol 
D) 7.7 *10-8J/mol 
E) 7.7 * 108J/mol  
A) 1.3 * 107J/mol 
B) 1.3 * 10-7J/mol 
C) 3.2 * 1016J/mol 
D) 7.7 *10-8J/mol 
E) 7.7 * 108J/mol

Question 16

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

Accepted Answer

A) 0 
B) 3 
C) 1 
D) 12 
E) 6 
A) 0 
B) 3 
C) 1 
D) 12 
E) 6

Question 17

What is the wavelength of radiation with a frequency of 1.1 *1011 /sec?

Accepted Answer

A) 3.7 * 102 m 
B) 2.7 * 10-3 cm 
C) 2.7 * 10-3 m 
D) 3.7 * 102 cm 
E) 2.7 *10-13 m 
A) 3.7 * 102 m 
B) 2.7 * 10-3 cm 
C) 2.7 * 10-3 m 
D) 3.7 * 102 cm 
E) 2.7 *10-13 m

Question 18

What is the frequency of a photon that has an energy of 5.4 * 10-18 J?

Accepted Answer

A) 1.6 * 10-34Hz  
B)  (1  .2 * 1016Hz ) 
C) 1.2 * 10-16Hz  
D) (8.1 * 1015Hz ) 
E) 8.1 *1015Hz  
A) 1.6 * 10-34Hz  
B)  (1  .2 * 1016Hz ) 
C) 1.2 * 10-16Hz  
D) (8.1 * 1015Hz ) 
E) 8.1 *1015Hz

Question 19

What is the general wavelength of visible light?

Accepted Answer

A) 1 - 100 nm 
B) 100 - 400 nm 
C) 420 - 700 nm 
D) 750 - 1,000 nm 
E) > 1,000 nm 
A) 1 - 100 nm 
B) 100 - 400 nm 
C) 420 - 700 nm 
D) 750 - 1,000 nm 
E) > 1,000 nm

Question 20

When radiation has a frequency of 5.2 * 1012 Hz,what is its wavelength?

Accepted Answer

A) 5.8 * 10-5 cm 
B) 1.7 * 104 m 
C) 1.7 * 10-4 m 
D) 5.8 * 10-5 m 
E) 5.8 * 105 m 
A) 5.8 * 10-5 cm 
B) 1.7 * 104 m 
C) 1.7 * 10-4 m 
D) 5.8 * 10-5 m 
E) 5.8 * 105 m

If a particle is confined to a one-dimensional box of length 300 pm,for $\varPsi$ ₃ the particle is most likely to be found at

You are caught in a radar trap and hope to show that the speed measured by the radar gun is in error because of the uncertainty principle.If you assume that the uncertainty in your position is large,say about 10 m,and that the car has a mass of 2150 kg,what is the uncertainty in the velocity?

Which of the following statements with respect to the photoelectric effect is incorrect?

What energy in joules does a photon with a frequency of 5.0 * 10¹⁴ /sec have?

A lawyer who received a speeding ticket argues that because of the Heisenberg uncertainty principle the radar reading is uncertain.The judge,who happens to have a science degree,rules against the lawyer.Which of the following statements is true?

A photon with a frequency of 2.3 * 10¹⁶ Hz has how many joules of energy?

The zero-point energy in 1,3-butadiene is larger than in 1,3,5,7-octatetraene.

In a one-dimensional particle in a box,for $\varPsi$ ₄,how many nodes are predicted?

How many joules of energy does a photon have with a frequency of 6.8 * 10¹⁵ Hz?

When radiation has a frequency of 1.5 *10¹⁵ Hz,what is its wavelength?

When a mole of photons has the energy 3.3 * 10⁷ J,what is its frequency,in Hz?

Which of the following statements is the highest frequency electromagnetic radiation?

Of the following,which wavelength range is visible to the human eye?

Which of the following statements regarding electromagnetic radiation is true?

What is the energy of a mole of photons with a frequency of 3.2 *10¹⁶ Hz?

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

What is the wavelength of radiation with a frequency of 1.1 *10¹¹/sec?

What is the frequency of a photon that has an energy of 5.4 * 10^-18 J?

What is the general wavelength of visible light?

When radiation has a frequency of 5.2 * 10¹² Hz,what is its wavelength?

Quantum Mechanics in Action: Atoms

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Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

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The Elements: the Main Group Elements

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Exam 1: The Quantum World

If a particle is confined to a one-dimensional box of length 300 pm,for Ψ\varPsiΨ 3 the particle is most likely to be found at

You are caught in a radar trap and hope to show that the speed measured by the radar gun is in error because of the uncertainty principle.If you assume that the uncertainty in your position is large,say about 10 m,and that the car has a mass of 2150 kg,what is the uncertainty in the velocity?

Which of the following statements with respect to the photoelectric effect is incorrect?

What energy in joules does a photon with a frequency of 5.0 * 1014 /sec have?

A lawyer who received a speeding ticket argues that because of the Heisenberg uncertainty principle the radar reading is uncertain.The judge,who happens to have a science degree,rules against the lawyer.Which of the following statements is true?

A photon with a frequency of 2.3 * 1016 Hz has how many joules of energy?

The zero-point energy in 1,3-butadiene is larger than in 1,3,5,7-octatetraene.

In a one-dimensional particle in a box,for Ψ\varPsiΨ 4,how many nodes are predicted?

How many joules of energy does a photon have with a frequency of 6.8 * 1015 Hz?

When radiation has a frequency of 1.5 *1015 Hz,what is its wavelength?

When a mole of photons has the energy 3.3 * 107 J,what is its frequency,in Hz?

Which of the following statements is the highest frequency electromagnetic radiation?

Of the following,which wavelength range is visible to the human eye?

Which of the following statements regarding electromagnetic radiation is true?

What is the energy of a mole of photons with a frequency of 3.2 *1016 Hz?

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

What is the wavelength of radiation with a frequency of 1.1 *1011 /sec?

What is the frequency of a photon that has an energy of 5.4 * 10-18 J?

What is the general wavelength of visible light?

When radiation has a frequency of 5.2 * 1012 Hz,what is its wavelength?

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

If a particle is confined to a one-dimensional box of length 300 pm,for $\varPsi$ ₃ the particle is most likely to be found at

What energy in joules does a photon with a frequency of 5.0 * 10¹⁴ /sec have?

A photon with a frequency of 2.3 * 10¹⁶ Hz has how many joules of energy?

In a one-dimensional particle in a box,for $\varPsi$ ₄,how many nodes are predicted?

How many joules of energy does a photon have with a frequency of 6.8 * 10¹⁵ Hz?

When radiation has a frequency of 1.5 *10¹⁵ Hz,what is its wavelength?

When a mole of photons has the energy 3.3 * 10⁷ J,what is its frequency,in Hz?

What is the energy of a mole of photons with a frequency of 3.2 *10¹⁶ Hz?

What is the wavelength of radiation with a frequency of 1.1 *10¹¹/sec?

What is the frequency of a photon that has an energy of 5.4 * 10^-18 J?

When radiation has a frequency of 5.2 * 10¹² Hz,what is its wavelength?