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Upon responding to a 2:00 a.m. domestic transportation mishap your hazmat team fod outs that a liquefied compressed gas is leaking from a 5lb (2.3 kg) steel cylinder. The chemical commodity is explained on the relevant shipping paper as follows 5 lb RQ, Compressed gas, flammable, toxic, n.o.s. POISON - Inhalation Hazard, Zone B. Explain how would you identify and what is, the radius of the initial isolation zone as well as the magnitude of the each side of the protective-action zone associated with the release of this substance? Explain how would you handle the response and how would you determine the proper type of PPE to be utilized in this incident? Explain what type of PPE would you recommend?
If your absent minded lab partner spilled deionized water into your NaOH solution, diluting it, would the Ka value you determine for the solid weak acid be greater than
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.5 104 kg of coal that is 0.33 mass % sulfur?
Why do you need to keep a mixture of NaBH4 and MeOH in ice bath. Write down equation and explain why you have to put in ice immediately.
Write a net Ionic equation for the reaction that takes place when aq barium chloride soln reacts with an aq soln of potassium phosphate.
Calculate Heat Quantity of Heat Energy in Kilojoules required to melt 0.0980 mol ice to liquid water at 0 Degrees Ceslsius
Consider the titration of 52.0 mL of 1.2 M NaOH with 1.0 M HCl. Find the pH at all the following points. At the equivalence point.
A 0.1236-g sample of an unknown monoprotic acid was dissolved in 25.8 mL of water and titrated with 0.0680 M NaOH solution. The volume of base required to bring the solution to the equivalence point was 19.1 mL.
how much heat is released when 105 g of steam at 100 co is cooled to ice at -15co? the enthalpy of vaporization of
Zircon is a mineral with the empirical formula ZrSiO4. If all the zirconium is 90Zr, all the silicon is 28Si, and all the oxygen is 16O, what mass of oxygen is present in 10. g of zircon
Using what you know about acid/base chemistry, determine the immediate effect that two 325-mg aspirin tablets would have on the pH of the stomach. Assume your stomach is half a liter in volume.
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
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