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Discuss the air pollution in your city, answering the following questions. Use data to support your answers.
1) Is your city's air quality within the established standards?
2) Is your city's air quality improving, declining, or about the same?
3) What is the most troublesome air pollutant in your city?
4) Which of the seven major pollutants that is listed in the lesson is not included in the website?
Draw a triacylglycerol (triglyceride) made from glycerol, myristic acid [CH3(CH2)12COOH], palmitic acid [CH3(CH2)14COOH], and oleic acid [CH3(CH2)7CH=CH(CH2)7COOH(cis)].
While ammonium chloride dissolves in water, the solution becomes colder. (A) Is the process endothermic or exothermic? (B) Explain why the solution forms
The weathering of pyrite (FeS2) in coal mines and in metal sulfide ore deposits can be represented by the following reaction
Question- At 28.0 °C, the vapor pressure of n-propyl mercaptan, C3H7SH, is 2.33 x 10^4 Pa, while that of acetonitrile, CH3CN, is 1.36 x10^4 Pa. What is the vapor pressure, at 28.0 °C, of a solution made by mixing 100.0 g of C3H7SH and 100.0 g CH..
A chemical reaction takes place in a container of cross-sectional area 100 cm2 As a result of . the reaction, a piston is pushed out through 11 cm against an external pressure of 689 torr. What is the value for w for this reaction?
For the 0.01 M NaOH and 0.001 M NaOH solutions in Part A, do your calculated values of [OH-] agree with those you would predict using the dilution equation. M1V1=M2V2, where M1= the calculated [OH-] of the 0.1 M NaOH stock solution.
how many moles O2 of are present? (The mole fraction of in dry air is 0.2095.) How many grams of C8H18 could be combusted by this quantity of O2
The mass of the flask (before the sample is placed into the flask) is measured when the outside of the flask is wet. However, the outside of the flask is dried before its mass is measured.
Propose a mechanism for the following reaction. Be sure to show all the steps and the reactive intermediates
A 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
Calculate the rms (average) speed of PH3 atoms or molecules at 123 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant. The average speed of a PH3 atom/molecule at 123 oC is 539 m/s.
When using dichloromethane as a solvent, which would make a good, yet cost effective, drying agent?
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