What is the composition of photochemical smog?

Q: Prepare a short note of the following environmental incidents: (a) the Great Smog of London. (b) the…

A: An Environmental Incident can be defined as an event that may cause harm to an environmental…

Q: When a gas is cooled inside a sealed container, the pressure the gas particles exert on the…

A: Note: Due to company policy I am supposed to answer only first question. If you want other questions…

Q: A TIO2 photocatalyst was used to destroy pollutant compounds in a sample of water. The catalyst was…

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Q: Photochemical smog is also known as

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Q: What is the role of carbon dioxide in air in Fresco Painting? What type of catalytic mechanism…

A: Fresco painting involves the process of forming carbonate that refers to the process of carbon…

Q: Write down the mechanism of producing OH in the remote clean environment.

A: Answer - The hydroxyl (OH) radical is the key oxidant in the global atmosphere as it controls the…

Q: Average ozone concentrations in Jakarta, Indonesia have been reported to be 0.015 mg m^-3 and in…

A: Since ppbv i.e parts per billion by volume is given by  ppbv = mass of solute in g X 109 / volume of…

Q: If atmospheric C02 is causing temperatures to rise, what is the lag time?

A: Given :  If atmospheric C02 is causing temperatures to rise, what is the lag time?

Q: Discuss three characteristics of a named pandemic.

A: A pandemic is a disease whose presence has been reported in a significant geographical area…

Q: Explain the role of chemical kinetics in the formation and destruction of ozone in the atmosphere.

A: Given : Formation and destruction of Ozone.  To find : role of chemical kinetic.  Solution : As we…

Q: The degradation of CF3CH2F (an HFC) by OH radicals in the troposphere is first order in each…

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Q: Based on your knowledge of chemistry, describe the research into depletion of the ozone layer by…

A: When CFCs comes into the stratosphere, then they broke up by ultraviolet radiation, and release…

Q: Is Mechanism I or Mechanism II of ozone destruction considered responsible for the ozone hole over…

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Q: List two types of chemical compounds that must be present in the air for photochemical smog to form.…

A: The chemical reactions that lead to the formation of smog are:

Q: There is an "8 hour average" and "1 hour average" in the US EPA's 6 criteria air pollutants. What is…

A: Given, In the US EPA 6 criteria air pollutants the average time"8 hour average " and  "1 hour…

Q: quantum yield for the formation of ethene?

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Q: What is the secondary criteria pollutant according to NAAQS ?

A: NAAQS stands for national ambient air quality standards. In the United States, the allowed levels of…

Q: What are the differences between cryo-SPA Vs cryo-ET techniques and their advantages and…

A: Cryo techniques are a group of related procedures for stabilizing specimen or fixing for microscopic…

Q: Between 2016 and 2018 Kern, California had the following high day air pollution averages. Ozone (8…

A: Carbon monoxide (CO) is an odorless, tasteless, and colorless gas that is marginally less dense than…

Q: Photochemical smog is also known as O London smog Industrial smog O Oxidizing smog Reducing smog

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Q: A reaction at 25.0 °C evolves 166. mmol of carbon monoxide gas. Calculate the volume of carbon…

A: Applying ideal gas equation. PV = nRT

Q: Asphalt is composed of a mixture of organic chemicals. Does an asphalt parking lot contribute…

A: The chemical reactions that lead to the formation of smog are: Nitrogen dioxide breaks down in…

Q: A reaction at 20.0 °C evolves 333. mmol of boron trifluoride gas. Calculate the volume of boron…

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Q: Suppose you have an 8-hour ozone value of 0.088 ppm, and a PM2.5 value of 35.7 ug/m3. The AQI value…

A: AQI stands for Air Quality Index which serves as a means to measure the extent of Air Pollution.

Q: A test of an automobile engine’s exhaust revealed that 3.4 g of NO2was emitted in 10. minutes of…

A: Given that  3.4 g  NO2 was emitted in 10 miniutes.Number of moles of NO2 emitted = Given mass Molar…

Q: A student knew that calcium hydroxide oculd be made by adding calcium to water. Ca(s) + 2H,O() →…

A: Reactivity of group 2 elements with water increases as we go down the group from Be to Ba.…

Q: How many collisions does a single Ar atom make in 1.0 s when the temperature is 25oC and the…

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Q: Why are CHF2Cl and CH2ClCF3 important for stratospheric ozone depletion? pls consider its lifetime.

A: Life time of CHF2Cl and CH2ClCF3 are 11.9 and 13.4 years respectively.

Q: What are possible sinks for removal of the stratosphere catalysts NO and Chlorine radical.

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Q: The following data is from a prospective cohort study examining the association between air…

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Q: In which region is ozone a pollutant? In which region does it filter UV solarradiation?

A: Ozone is a trioxygen molecule of oxygen and is highly reactive. It has a pungent smell and is pale…

Q: (a) What is the difference between a CFC and an HFC?(b) It is estimated that the lifetime for HFCs…

A: The major difference between CFC and HFC is that CFC indicate a class of compounds which are…

Q: True or False: Nitrogen Oxide is a precursor for both photochemical smog and acid rain.

A: Given, Nitrogen Oxide is a precursor for both photochemical smog and acid rain.

Q: Which of the following is NOT a natural source of air pollution? A Wildfires B Agriculture…

A: A. Wildfires : this is sometimes called forest fire. It occurs naturally. When two dry woods undergo…

Q: Argon diffuses at a rate of 1.45 meters in 8.65 minutes. How long will it take helium to diffuse…

A: Rate of diffusion of Argon (Ar) = distance / time = 1.45 / 8.65 = 0.16763 m/min Since according to…

Q: A reaction at 34.0 °C evolves 174. mmol of carbon monoxide gas. Calculate the volume of carbon…

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Q: What is the difference between a CFC and an HFC?

A: Chlorofluorocarbons are commonly known as CFC Hydrofluorocrbons are commonly known as HFC

Q: 15. If the concentration of ClO. in the South Pole air is 2.0 x 10° molecules/cm3 at 1 atm and…

A: The expression of ideal gas equation is shown below: PV = nRT Where; P = pressure V = volume n =…

Q: The nitric oxide molecule undergoes photodissociation in the upper atmosphere.

A: Here the question is incomplete ,so i do it on general basics. If u want the answer of the question,…

Q: List two types of chemical compounds that must be present in the air for photochemical smog to from.…

A: Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile…

Q: Ch 11: At what percentage does lack of Oxygen cause loss of consciousness and potential death? 21% O…

A: If Oxygen level in atomsphere 25% percentage then Increasing fire risk.  Safe zone for human and…

Q: What symbol is missing from the equation: 99 Tc 43 e + ??? -1

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