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1. Describe an incident (fire, spill, explosion, etc) you have experienced (or research one on the Internet, professional journal, or scientific magazine article) that involved a polymeric or explosive material(s) and required mitigation. Please do not use the instances supplied in the textbook unless you intend to provide a lot more detail than what is included in the book. The following items must be addressed:
A) Describe the incident and identify the polymeric or explosive material(s) involved;
B) Discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident;
C) Discuss the mitigation required or implemented.
2. Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning: Carbon monoxide @ 1700 ppm; Carbon dioxide @ 7000 ppm; and Sulfur dioxide @ 600 ppm. Ignoring synergistic effects between these gases, which individual concentrations are considered life-threatening to the EH&S or FS professional responding to the scene? What combustion products are produced when materials made from polyacrylonitrile smolder and burn? What combination of properties is responsible for the selection of trinitrotoluene as a military explosive?
Calculate the value of w (work) for the following system if 29.0 g of NaN3 reacts completely at 1.00 atm and 22 °C.
A solvent for an industrial process requires the use of phenol or benzene. Both are about the same in effectiveness for the process, and of course, gloves will be used when handling either solvent
a 0.0539 g sample of iron sulfate was dissolved in dilute hcl and treated with 10 bacl2 solution. the baso4 precipitate
The rate constant for a certain reaction is k = 1.50×10?3 s^-1 . If the initial reactant concentration was 0.650M , what will the concentration be after 13.0 minutes?
Calculate the internal energy amd ethalpy changes that occur when air is changed from an initial state of 40 0F and 10 atm, where its molar volume is 36.49
A compound has an empirical formula of C2H2O and a molecular mass of 168.0. The molecular formula is C6H6O3.
1.0 liter of a buffer solution that is 0.10 M in CH3COOH and 0.10 M in NaCH3COO, how will the pH of the solution change?
If you added 0.02 mol of X and 0.01 mol of Y to form 100g of the solution 2X(aq)+Y(l) = X2Y(aq), how many moles of X and Y would you need to bring about the temperature change of 21C to 51C?
In its vibration-rotation spectrum what is the meaning of the P,Q and R branches. What is the J value of the lower rotational state in the R branch that gives the line of maximum intensity
How many grams of solid aluminum sulfide can be prepared by the reaction of 11.0 g of aluminum and 16.4 g of sulfur and how much of the non-limiting reactant is in excess
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water. What weight of sodium carbonate would have been present originally
A reaction that is used to propel rockets is N2O4(l) + 2N2H4(l) --> 3N2(g) + 4H2O(g). This reaction has the advantage that neither product is toxic, so no dangerous pollution is released.
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