CFCs are family of compounds containing the elements carbon, fluorine and chlorine. Which of the following statements is NOT true about CFCs? a. Ozone is attacked by chlorine atom that breaks free from the CFC molecule b. CFCs were to be found in aerosol sprays and refrigerants c. CFCs can remain in the atmosphere from up to 100 years d. Each CFC molecule destroys a single ozone molecule

Q: Why chlorofluorocarbons (CFCs) are responsible for destroying ozone ?

A: Chlorofluorocarbons are chemical compounds made of chlorine, carbon and fluorine. These are…

Q: Explain what triggers the formation of the ozone hole over Antarctica.

A:

Q: Given these two statements, which can be concluded? (1) Apart from adverse environmental effects,…

A: The statements given are,

Q: How do dirty fuels cause air pollution and what pollutants would be of Interest to you?

A: Dirty fuels combustion (burns with O2) causes air pollution with the following released gases .

Q: give five projects that will help to reduce or prevent air pollution

A:

Q: <p>The two major components of the atmosphere are the diatomic molecules of nitrogen and…

A: Nitrogen is less reactive than oxygen. Because of the strong nitrogen-nitrogen triple bond.

Q: The percentage of earth ozone in the stratosphere is nearly Select one a. 70 b. 20 c. 90 d. 50 CFCS…

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.

Q: Some pollutants are difficult to break down and therefore accumulate in the environment. These are…

A: Pollutants are compounds in which pollutes the environment. They are toxic to living beings.…

Q: What are the reactions involved for ozone layer depletion in the atmosphere?

A: Formation of ozone is shown below,

Q: How CFCs break the ozone layer?

A: Ozone layer plays a critical role in our life. Ozone layer protects earth from ultraviolet…

Q: Is it possible to create ozone with the technology we have today?

A: Stratospheric ozone is formed naturally through the interaction of solar ultraviolet (UV) radiation…

Q: In 2008 China was the host for the Olympic Games, however pollution and smog was a major concern for…

A: `In 2008 China was the host for the Olympic Games however pollution and smog was a major concern for…

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: Five samples of neon gas are described in the table below. Rank the samples in order of increasing…

A:

Q: What is the composition of air?

A: Air is a matter which is composed of a mixture of gases , moisture and dust particles.  Air is the…

Q: Scientists noticed that the ozone layer was thinning.What was occurring at the same time?

A: Scientists noticed that the ozone layer was thinning and what happens on  at the same time has to be…

Q: Neon lights have different colors because each color comes from each different gas' _______________.…

A: Neon lights are tubes that are filled with inert gases e.g. neon.

Q: Discuss the possible effects of the following on greenhouses gas chemistry. (b)  CFCs cause further…

A:

Q: Calculate The number of atoms 0.1g of ozone

A: We know that, 1 mol = 6.023×1023 number of molecules.

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: Five samples of krypton gas are described in the table below. Rank the samples in order of…

A:

Q: 4. Carbon Monoxide is the most common air pollutant. a. How is it formed? b. What are its health…

A: Carbon monoxide is the most common air pollutant that is responsible for different health hazardous.…

Q: Classify each of the listed properties of ozone (a pollutant in the lower atmosphere but part of a…

A: Physical properties are those properties that can be observed or measured without any change in…

Q: The temperature starts decreasing in this layer of the atmosphere as the altitude increases reaching…

A: Troposphere is the lowest region of the atmosphere its boundary is fallen in the range of 10-18 km…

Q: An industrial factory makes an effort to reduce the amount of nitrogen dioxide (NO2) emissions it…

A: Correct option is (D) explanation is given below

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: If gasoline produces only carbon dioxide and water when it burns completely, why is automobile…

A: We have to tell how automobile exhaust a source of air pollution.

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: The vast majority of scientists believe that human activities are causing global warming. Describe…

A: Human activities causes global warming this can be explained by following phenomenon - 1) Due to…

Q: 1. Due to diffusion a) Spread of radioactive particles around the world b) Spread of mercury waste…

A: 1. Few information about diffusion: If molecules present in one region and are rich in concentration…

Q: Prior to the discovery that freon-12 (CF2C12) was harmful to the Earth's ozone

A: Prior to the discovery that freon-12 (CF2Cl2 ) was harmful to the Earth’s ozone layer, it was…

Q: Explain CFCs ?

A:

Q: Determine the density of ozone at STP

A: STP means standard Temperature Pressure  Temperature = 273.15 K  or 0°C  Pressure = 1 atm

Q: The following graph shows the historical concentration of atmospheric carbon dioxide in the…

A: The given graph shows the historical concentration of atmospheric carbon dioxide in the atmosphere.…

Q: Where is ozone located in Earth’s atmosphere?

A: The atmosphere has different layers with different temperatures. These atmospheric layers from the…

Q: 1. The vast majority of scientists believe that human activities are causing global warming.…

A: Global warming is the continuous increase in the temperature of the earth caused by the increase in…

Q: Which of the following statements correctly describes the formation of the ozone hole over…

A: The ozone layer destruction by CFCs (especially CF2Cl2) is a free radical chain reaction that takes…

Q: Which of the following molecules are CFC's capable of destroying stratospheric ozone? (A) CF2Cl2 (B)…

A: “Since you have posted a question with multiple sub-parts, we will solve first question for you. To…

Q: Explain how the choices consumers make can help limit greenhouse gas emissions and therefore offset…

A: There are certain choices consumers can make to limit the green house gas emission this directly…

Q: 7) Explain how NOx and SOx gases contribute to acid rain. 8) Explain how CFCS contribute to the…

A: Answer - Acid rain - Acid rain, or acid deposition, is a broad term that includes any form of…

Q: Compare the greenhouse gases and final temperature for each scenario. Reset each time first.   H2O…

A: CO2 : Carbon dioxide enters the atmosphere through burning fossil fuels (coal, natural gas, and…

Q: How many ozone molecules are in 1.0 L of air in Mexico City? Assume T = 25 °C.

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: explain why certain areas have more air pollution than others.

A: More than 80% of people living in urban areas that monitor air pollution are exposed to air quality…

Q: Explain the important consequences of global warming.

A: Global warming: Global warming can be defined as an unusual rise in the average temperature of the…

Q: What is smog? The London smog is caused in which season and time of the day?

A: Smog is a mixture of smoke (the collection of airborne particulates) and fog (vapor form of water).…

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: From the given table we can clearly see that 8hr O3 value of 0.088 ppm lies in the unhealthy region…