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How to you calculate the hazard quotient for lead and naphthalene? Please provide examples.
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- If the atmospheric burden of CO2 increases by 27.0 Gt (gigatonnes, 1Gt= 1 x 1012kg) over a given period of time, starting now, and the current atmospheric CO2 is 408.3 ppm, what will the concentration of CO2 be (in ppm) after this increase? (Assume a total atmospheric mass of 5.10 x 1021 g and an average molar mass for air of 29.0 g/mol) 411.8 ppm 408.8 ppm 410.6 ppm 417.0 ppmSolution 1 Solution 2 Solution 3 Solution 4 Solution 5 Concentration iron(III) nitrate 0.00200 0.00200 0.00200 0.00200 0.00200 [Fe(NO3)3] (M) Concentration potassium thiocyanate 0.00200 0.00200 0.00200 0.00200 0.00200 [KSCN] (M) Volume Fe(NO3)3 (mL) 5.00 5.00 5.00 5.00 5.00 Volume KSCN (mL) 5.00 4.00 3.00 2.00 1.00 Volume DI water (mL) 0.00 1.00 2.00 3.00 4.00 Initial concentration [Fe3+] (M) 0.00100 0.00100 0.00100 0.00100 0.00100 Initial concentration [SCN] (M) 0.00100 0.000800 0.000600 0.000400 0.000200 Absorbance 0.269 0.192 0.154 0.104 0.052 Equilibrium [FeSCN2+] (M) 0.000198 0.000141 0.000113 0.0000765 0.000038 Equilibrium constant Kc Average Kc5.00 mol of ammonia are introduced into a 5.00 L reactor vessel in which it partially dissociates at high temperatures.2NH3(g) 3H2(g) + N2(g)At equilibrium and a particular temperature, 1.00 mole of ammonia remains. Calculate Kc for the reaction. Hint - divide 5.00 mol of ammonia by 5.00 L to get initial concentration. Round off the answer to three significant digits. Group of answer choices Kc = 15.3 Kc = 17.3 Kc = 19.3 Kc = 21.3 None of the above
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- 5. What are The Principle and process of chemical Vapor Deposition (CVD) ?Methyltetrol sulfate was one of the most abundant compounds found over Lake Michigan during this study. Methyltetrol sulfate averaged 87 ng/m³ over the course of the study. Use this information and the provided structure below to determine the number of methyltetrol sulfate molecules found in 1 cubic meter of air.A bloodhound, with an acute sense of smell, sits at one end of a long, unventilated corridor.At the other end of the corridor a small amount of an aerosol is released containing the volatile, fragrant compounds: acetaldehyde (C2H4O) jasmine lactone (C10H16O2) acetoin (C4H8O2) hexyl acetate (C8H16O2) 1-octen-3-one (C8H14O) Rank the compounds in the chronological order they are detected by the hound. 1-octen-3-one acetoin jasmine lactone hexyl acetate acetaldehyde