Question 1

Given the following information:
 
How many moles of gas are produced by the explosion of 1 mole of hexogen?

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  9 
E)  none of the above 
A)  3 
B)  5 
C)  7 
D)  9 
E)  none of the above D

Question 2

Why can't atmospheric oxygen be considered when balancing reactions involving explosives and detonations?

Accepted Answer

A)  it is rarely needed 
B)  the high pressure makes it impossible 
C)  the reaction occurs to fast 
D)  it breaks down in the extreme heat 
E)  none of the above 
A)  it is rarely needed 
B)  the high pressure makes it impossible 
C)  the reaction occurs to fast 
D)  it breaks down in the extreme heat 
E)  none of the above C

Question 3

Mercury fulminate is a shock-sensitive primary explosive that was used in primers in firearms ammunition. It has an OB% of -11.2. Suppose it is combined with potassium perchlorate (OB +46.2) in a formulation. What mixture would yield a net zero oxygen balance? Report in %mercury fulminate/% potassium perchlorate

Accepted Answer

A)  73/27 
B)  48/52 
C)  81/19 
D)  61/39 
E)  none of the above 
A)  73/27 
B)  48/52 
C)  81/19 
D)  61/39 
E)  none of the above C

Question 4

The ability of an explosive to cause fragmentation and shrapnel formation is called

Accepted Answer

A)  brisance 
B)  pushing power 
C)  relative power 
D)  QV 
E)  none of the above 
A)  brisance 
B)  pushing power 
C)  relative power 
D)  QV 
E)  none of the above

Question 5

The explosive ethylenedinitramine has a formula weight of 150. g/mole and a heat of explosion of 4278 kJ/kg. What is the heat of explosion in kJ/mole?

Accepted Answer

A)  29 
B)  129 
C)  824 
D)  642 
E)  none of the above 
A)  29 
B)  129 
C)  824 
D)  642 
E)  none of the above

Question 6

Given the following information:   Predict the reaction products using the appropriate rules. How many moles of CO2 are produced in an explosion type reaction of 1 mole of hexogen?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  none of the above 
A)  1 
B)  2 
C)  3 
D)  4 
E)  none of the above

Question 7

Why is a pipe bomb that is made with steel typically more powerful than one made with plastic pipe?

Accepted Answer

A)  steel is more malleable than plastic 
B)  often the plastic won't rupture at all 
C)  greater pressure can build in the device before it fails 
D)  steel doesn't get as hot as plastic 
E)  none of the above 
A)  steel is more malleable than plastic 
B)  often the plastic won't rupture at all 
C)  greater pressure can build in the device before it fails 
D)  steel doesn't get as hot as plastic 
E)  none of the above

Question 8

What is the order of explosives built into an explosive train detonator?

Accepted Answer

A)  least sensitive to most 
B)  most sensitive to least 
C)  least-most-least 
D)  most-least-most 
E)  none of the above 
A)  least sensitive to most 
B)  most sensitive to least 
C)  least-most-least 
D)  most-least-most 
E)  none of the above

Question 9

Pull-poppers are small devices that detonate with a loud pop if stepped on. This would be classified as a

Accepted Answer

A)  secondary tertiary explosive 
B)  secondary low explosive 
C)  primary high explosive 
D)  military explosive 
E)  none of the above 
A)  secondary tertiary explosive 
B)  secondary low explosive 
C)  primary high explosive 
D)  military explosive 
E)  none of the above

Question 10

What is the difference between a detonation and an explosion?

Accepted Answer

A)  detonation differs from simple combustion in the speed of the reaction and pressure 
B)  nothing; they mean the same thing 
C)  An explosion can only be caused by detonation 
D)  A detonation can only be caused by an explosion 
E)  none of the above 
A)  detonation differs from simple combustion in the speed of the reaction and pressure 
B)  nothing; they mean the same thing 
C)  An explosion can only be caused by detonation 
D)  A detonation can only be caused by an explosion 
E)  none of the above

Given the following information: How many moles of gas are produced by the explosion of 1 mole of hexogen?

Why can't atmospheric oxygen be considered when balancing reactions involving explosives and detonations?

The ability of an explosive to cause fragmentation and shrapnel formation is called

The explosive ethylenedinitramine has a formula weight of 150. g/mole and a heat of explosion of 4278 kJ/kg. What is the heat of explosion in kJ/mole?

Given the following information: Predict the reaction products using the appropriate rules. How many moles of CO₂ are produced in an explosion type reaction of 1 mole of hexogen?

Why is a pipe bomb that is made with steel typically more powerful than one made with plastic pipe?

What is the order of explosives built into an explosive train detonator?

Pull-poppers are small devices that detonate with a loud pop if stepped on. This would be classified as a

What is the difference between a detonation and an explosion?

Making Good Measurements

Assuring Good Measurements

Chemical Fundamentals

Chromatography and Mass Spectrometry

Spectroscopy

Overview of Drug Analysis

Novel Psychoactive Substances

Fundamentals of Toxicology

Applications of Forensic Toxicology

Overview of Combustion Chemistry

Fire Investigation and Fire Debris Analysis

Firearms and Firearms Discharge Residue

Forensic Chemistry and Trace Evidence Analysis

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Exam 12: Explosives

Given the following information: How many moles of gas are produced by the explosion of 1 mole of hexogen?

Why can't atmospheric oxygen be considered when balancing reactions involving explosives and detonations?

The ability of an explosive to cause fragmentation and shrapnel formation is called

The explosive ethylenedinitramine has a formula weight of 150. g/mole and a heat of explosion of 4278 kJ/kg. What is the heat of explosion in kJ/mole?

Given the following information: Predict the reaction products using the appropriate rules. How many moles of CO2 are produced in an explosion type reaction of 1 mole of hexogen?

Why is a pipe bomb that is made with steel typically more powerful than one made with plastic pipe?

What is the order of explosives built into an explosive train detonator?

Pull-poppers are small devices that detonate with a loud pop if stepped on. This would be classified as a

What is the difference between a detonation and an explosion?

Making Good Measurements

Assuring Good Measurements

Chemical Fundamentals

Chromatography and Mass Spectrometry

Spectroscopy

Overview of Drug Analysis

Novel Psychoactive Substances

Fundamentals of Toxicology

Applications of Forensic Toxicology

Overview of Combustion Chemistry

Fire Investigation and Fire Debris Analysis

Firearms and Firearms Discharge Residue

Forensic Chemistry and Trace Evidence Analysis

Filters

Given the following information: Predict the reaction products using the appropriate rules. How many moles of CO₂ are produced in an explosion type reaction of 1 mole of hexogen?