(a)
Interpretation:
A suitable fire extinguisher has to be determined for the given situation; Frying oil caught on fire at a fast-food restaurant.
Concept Introduction:
There are five classes of fires and they are mentioned below,
Class A : Ordinary combustibles or fibrous materials, such as wood, paper, cloth, rubber, and some plastics.
Class B : Flammable or combustible liquids such as gasoline, kerosene, paint, paint thinners and propane.
Class C : Energized electrical equipment, such as appliances, switches, panel boxes and power tools.
Class D : Certain combustible metals, such as magnesium, titanium, potassium and sodium.
Class F : Fires involving combustible vegetable or animal non- saturated cooking fats in commercial cooking equipment.
Fire extinguishers
They are filled with either foam or powder. Depending on the agent, effective on class B and C fires or Class A, B and C fires.
The process of extunguishing occurred by stopping the chain reaction.
(b)
Interpretation:
A suitable fire extinguisher has to be determined for the given situation; Fire from an overloaded extension cord.
Concept Introduction:
There are five classes of fires and they are mentioned below,
Class A : Ordinary combustibles or fibrous materials, such as wood, paper, cloth, rubber, and some plastics.
Class B : Flammable or combustible liquids such as gasoline, kerosene, paint, paint thinners and propane.
Class C : Energized electrical equipment, such as appliances, switches, panel boxes and power tools.
Class D : Certain combustible metals, such as magnesium, titanium, potassium and sodium.
Class F : Fires involving combustible vegetable or animal non- saturated cooking fats in commercial cooking equipment.
Fire extinguishers
They are filled with either foam or powder. Depending on the agent, effective on class B and C fires or Class A, B and C fires.
The process of extunguishing occurred by stopping the chain reaction.
(c)
Interpretation:
A suitable fire extinguisher has to be determined for the given situation; A carpet ignited by a flying ember from a fireplace buring wood.
Concept Introduction:
There are five classes of fires and they are mentioned below,
Class A : Ordinary combustibles or fibrous materials, such as wood, paper, cloth, rubber, and some plastics.
Class B : Flammable or combustible liquids such as gasoline, kerosene, paint, paint thinners and propane.
Class C : Energized electrical equipment, such as appliances, switches, panel boxes and power tools.
Class D : Certain combustible metals, such as magnesium, titanium, potassium and sodium.
Class F : Fires involving combustible vegetable or animal non- saturated cooking fats in commercial cooking equipment.
Fire extinguishers
They are filled with either foam or powder. Depending on the agent, effective on class B and C fires or Class A, B and C fires.
The process of extunguishing occurred by stopping the chain reaction.
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Chapter 14 Solutions
Chemistry In Context
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- a. For the following indicated bonds, rank them in order of decreasing AH° for homolytic cleavage. Based on your answer, which bond would be most likely to break homolytically? (a) (c) H3C CH3 .CH3 CH3 CH3 (b) Page 1 of 5 Chem 0310 Organic Chemistry 1 Recitations b. Draw all the possible radical products for 2-methylbutane, and determine which bond is most likely to be broken.arrow_forwardA 5-m³ rigid tank contains 5 kg of water at 100°C. Determine (a) the pressure, (b) the total enthalpy, and (c) the mass of each phase of water.arrow_forwardQ8. Draw the mechanism for this halogenation reaction. Show all steps including initiation, propagation, and recombination. Cl₂, hv CI Br Br2, hv, heatarrow_forward
- Q6. Given the following alkanes, draw the most likely product to form upon monohalogenation with Br2 (keep in mind that this may not be the only product to form though). If the reaction was performed with Cl2 would there be more or less selectivity in the desired product formation? Why? (a) (b) (c)arrow_forwardQ4. Radicals a. For the following indicated bonds, rank them in order of decreasing AH° for homolytic cleavage. Based on your answer, which bond would be most likely to break homolytically? (c) CH3 CH3 H3C CH3 (a) CH3 (b)arrow_forwardQ1. (a) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH3. Use curved arrows to show the electron movement. (b) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH4*. Use curved arrows to show the electron movement.arrow_forward
- ohing Quantitative Relationships 425 The specific heats and atomic masses of 20 of the elements are given in the table below. Use a graphical method to determine if there is a relationship between specific heat and the atomic mass. a. b. C. d. e. If your graphs revealed relationship between specific heat and atomic revealed a mathematical mass, write down an equation for the relationship. Comment on the usefulness of the determination of specific heat as a method for identifying an element. Would specific heat alone give you much confidence with regard to the identity of the element? If you think measurement of another property would be needed to support an identification, what property would you measure and why? The elements listed in the table are all selected metals. The values for nitrogen, oxygen, fluorine and neon are 1.040, 0.918, 0.824 and 1.030 J/g K respectively. Do these elements fit your equation? element atomic mass specific heat (almol) (Jig K) magnesium 24.305 1.023…arrow_forwardPlease correct answer and don't use hand rating and don't use Ai solutionarrow_forwardNonearrow_forward
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