Name two air pollutants which forms photochemical smog.

Q: Describe how water and carbon dioxide causes an increase in atmospheric temperature near Earth’s…

A: Water vapours and carbon dioxide are the main reasons of greenhouse warming.  These both are…

Q: A rise in temperature yields warmer weather. Which of the following is NOT a direct effect of rising…

A: This discusses some of the crucial and serious adverse consequences of the elevating environmental…

Q: Based on the problems associated with air pollution in the case study, suggest TWO (2) mitigation…

A: Hospital is a sensitive place for health system.All qualities in and outside the hospital should be…

Q: Why ozone layer depletion is an environmental hazard? Mention any two ways by which depletion of…

A: Ozone layer is a thin part in earths atmosphere that absorbs harmful ultraviolet rays from the sun.

Q: >Do the reactions involved in ozone depletion involve changes in oxidation state of the O atoms?…

A: CFCs forms free radical on reacting with UV resulting in continues depletion of ozone layer.

Q: Explain the relation between air pollution and environmental chemistry.

A: Air pollution and environment chemistry is directly proportional to each other.

Q: More ozone is found in the stratosphere than the troposphere. Why is this?

A: The tropospheric zone is found in between earth surface and stratosphereic zone holds the other 10%…

Q: (a) How are the boundaries between the regions of the atmosphere determined? (b) Explain why the…

A: a. The atmosphere is divided into four regions on the basis of their temperature profiles.The…

Q: Explain why the stratosphere, which is about 35 km thick, has a smaller total mass than the…

A: Atmospheric pressure in the troposphere ranges from 1.0 bar to 1.4 bar, while pressure in the…

Q: Define the term troposphere?

A: To find: The definition of troposphere

Q: Explain how ozone can be both beneficial and harmful?

A: good effects:  ozone is “good” because it protects living things from ultraviolet radiation from the…

Q: Consider the Lewis structure for SO2. How do they compare with the Lewis structure for ozone?

A:

Q: What kind of bonds does ozone contain and the polarity?

A: Ozone having chemical formula O3 . Total valance electrons is ozone are 18 valance electrons.

Q: Is other serious pollutant in smog carbon monoxide.

A:

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: Explain how ozone can be both harmful and beneficial.

A: Ozone  is a highly reactive gas and this has is composed of three oxygen atoms. Ozone occurs in the…

Q: Explain the role of ozone gas in troposphere and stratosphere. What do you understand by ozone layer…

A: The atmosphere is composed of different layers like the troposphere, stratosphere, mesosphere,…

Q: Select from the following which steps are involved in the natural production of ozone in the…

A: In the stratosphere, the concentration of ozone is the maximum. The ozone gas is produced naturally…

Q: Compare and contrast the roles of ozone (O3) and nitrogen dioxide (NO2) in the stratosphere and in…

A: Light emitted from the sum resembles that of a 6000 K black body. The intensity of the radiation…

Q: Why must you put an air conditioner in the window of a building, rather than in the middle of a…

A:

Q: With respect to the chemical compounds involved, describe how smog is caused and what effects it may…

A: Smog is derived from two words –Smoke and fog. Two different types of smog are recognized:…

Q: Explain CFCs ?

A:

Q: What effect could a volcanic eruption have on the ozone layer? Use your knowledge of atmospheric…

A: The layer which is made up of ozone molecules that protects Earth from almost all the sun's harmful…

Q: What emissions from human activities lead to ozone depletion? What are the chlorine reactions that…

A: Ozone layer act as protective shield for earth's atmosphere and prevent harmful ultra violet (UV)…

Q: Name a benefit, a hazard, and a useful commercial application of ozone.

A: The benefits, hazards and uses of ozone are discussed as follows,

Q: explain the formation of ozone layer in the stratosphere with the chemical reactions.

A: Ozone is formed in the stratosphere by the reaction of oxygen with ultraviolet light.

Q: Give one main reason of ozone depletion?

A: Give one main reason for ozone depletion?

Q: What were common uses of CFCs?

A: The common uses of CFCs has to be given.

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

A:

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: 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: Mid-latitude ozone depletion can happen because of denitrification that occurs on cold sulfuric acid…

A:

Q: When ozone levels in urban area reach unhealthy levels, residents are typically urged to avoid…

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

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

A: Please find your solution below : Air pollution refers to the presence or introduction of harmful…

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: Discuss the activity of ozone as a greenhouse gas. Write down the chemical reactions of ozone…

A: Ozone layer is a thin layer in the Earth's atmosphere that absorbs ultraviolet light coming from…

Q: 2. The concentration of of ozone (O3) in Beijing on a summer day (P = 101.325 kPa ; T = 30°C) is 125…

A:

Q: Select which of the following conditions are necessary for the process in the previous two questions…

A: Among the given options two options are mainly responsible for the ozone depletion over south…

Q: Why are hydrofluorocarbons potentially less harmful to the ozone layer than CFCs?

A: As CFC's diffuse into the stratosphere, they are exposed to high energy radiation, which can cause…

Q: Describe how the ozone layer forms and why it is important.

A: The ozone layer is present in the stratosphere layer of the atmosphere, ozone layer prevents the…

Q: Why is propane stored in household tanks but natural gas is not? and what could a space ship do if…

A: 1. The structure of propane is The structure of natural gas methane is