What oxidizer is used to prepare the chemical referred to as piranha in the computer-chip industry?What oxidizer is used to prepare the chemical referred to as piranha in the computer-chip industry?
Potassium superoxideHydrogen peroxidePeroxydisulfuric acidSodium persulfate__________________________________________________________________2.You are the first on-the-scene responder at a hazmat incident in your community. Which of the following indicators would NOT indicate that the material involved is an oxidizer?
The number 6.1 as a component of a shipping description of a hazardous material listed on a shipping paperThe number 5.1 as a component of a shipping description of a hazardous material listed on a shipping paperThe word OXIDIZER printed on yellow labels affixed to packagingThe word OXIDIZER printed on yellow placards posted on each side and each end of a transport vehicle containing 454 kg or more of an oxidizer__________________________________________________________________3.Which of the following oxidizers is the most hazardous?
Potassium permanganatePotassium chloratePotassium peroxidePotassium dichromateAn old cooling tower is being demolished at a gas processing plant. Which of the following statements would be FALSE?
Cr+6 can be found in the cooling tower debris.Workers could be exposed to Cr+6 during demolition if not wearing the appropriate PPE.Cr+6 will unlikely be found in subsurface soil.Exposure to Cr+6 can be by inhalation or ingestion.An oxidation number describes the combining capability of one ion to another ion or of one atom to another atom. Which of the following statements regarding oxidation numbers is FALSE?
H2S contains sulfur which has an oxidation number of -2.Each oxygen in KMnO4 has an oxidation number of -2, and the oxidation number of K is +1; therefore, the oxidation number on Mn in this compound is +7.The oxidation number of a monoatomic ion is the same as its ionic charge, such that Na ion has an oxidation number of +1.The oxidation number of each atom in an element is zero, such that the oxidation number of Cl2 is -2.The components of ordinary gunpowder are elemental sulfur, charcoal, and potassium nitrate. When gunpowder explodes, these components react as follows:3S8(s) + 16C(s) + 32KNO3(s)Sulfur Carbon Potassium nitrate16K2O(s) + 16CO2(g) + 16N2(g) + 24SO2(g)Potassium oxide Carbon dioxide Nitrogen Sulfur dioxideFor this redox reaction, the reducing agents are __________ and __________.__________________________________________________________________The oxidation number of phosphorus in the P4O6 chemical formula is __________.
Shipping bales of unprocessed cotton alongside a boxcar containing concentrated perchloric acid is potentially hazardous since 60 to 72.5% perchloric acid is an NFPA __________ oxidizer that causes a severe increase in the burning rate of the cotton.___________________________________________________________________The oxidation number of chlorine in KClO4 is __________.Following Hurricane Katrina in 2005, what oxidizer did cleanup crews use to eradicate the mold that grew in homes __________?
Ammonium nitrate is the most commercially important chemical product containing the ammonium ion.List and describe at least two grades of commercially available ammonium nitrate.Why does OSHA require employers to store bulk quantities of ammonium nitrate within a bin that is clean and free of contaminants? Give an example of a contaminant, and describe its interaction with ammonium nitrate.Your total response must be at least 200 words in length.A worker at DMG Energy, LLC experienced chest pain and was transported to the cardiac unit at a local hospital for treatment. During the doctor’s evaluation, the worker disclosed that he was on an ultra-low sodium diet. Explain why nutritionists often advise individuals on low-sodium diets to avoid cured fish and meat products. Contrast some properties between metallic nitrites and metallic nitrates.
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