Concept explainers
(a)
Interpretation:
Any of two THM molecules Lewis structures have to be drawn.
Concept introduction:
Lone pairs are represented in Lewis structures which represents lines for the bonding between atoms of a molecule and the dots for the lone pairs of electrons that may exist in the molecule.
Lewis structure otherwise known as Lewis dot diagrams (or) electron dot structures shows the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
(b)
Interpretation:
How the THMs differ from CFCs in their chemical composition, the reason needs to be explained.
Concept introduction:
Lone pairs are represented in Lewis structures which represents lines for the bonding between atoms of a molecule and the dots for the lone pairs of electrons that may exist in the molecule.
Lewis structure otherwise known as Lewis dot diagrams (or) electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
(c)
Interpretation:
How the THMs differ from CFCs in their physical properties, the reason needs to be explained.
Concept introduction:
Lone pairs are represented in Lewis structures which represents lines for the bonding between atoms of a molecule and the dots for the lone pairs of electrons that may exist in the molecule.
Lewis structure otherwise known as Lewis dot diagrams (or) electron dot structures that show the bond between atoms and lone pairs of electrons that are present in the molecule. Lewis structure represents each atom and their position in structure using the chemical symbol. Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.
Want to see the full answer?
Check out a sample textbook solutionChapter 8 Solutions
Chemistry In Context
- With the help of chemical equations, explain how ozone absorbs UV light.arrow_forwardA 120 grams of ethanol, C2H5OH, burns in air producing carbon dioxide and water. a. How many liters of oxygen is needed to completely burn the ethanol? Assume STP. b. How many molecules of carbon dioxide will be produced? c. How many grams of water will be formed?arrow_forward1. What is the greenhouse effect? 2. What is good about the greenhouse effect? (Give at least two reasons.) 3. What is the most important greenhouse gas in the troposphere?arrow_forward
- 4. What is global warming? How is it different from the greenhouse effect? 5. What is the cause of the increase in the mean global temperature? ..............arrow_forward1. The vast majority of scientists believe that human activities are causing global warming. Describe some of the human activities which release greenhouse gases. Suggest changes that humans could make to reduce global warming.arrow_forward5. Acetylene gas reacts with oxygen and burns at high temperature in an acetylene torch. a. Write the balanced equation for the complete combustion of acetylene. b. How many grams of O2 are needed to react with 8.5 L acetylene at STP? (hint 1 mol O2 (STP)=22.4 L of O2)arrow_forward
- The average concentration of carbon monoxide in the air in an Ohio city in 2006 was 3.5 ppm. Calculate the number of CO molecules in 1.0L of this air pressure of 759 Torr and a temperature of 22 degrees Celsius. A.) 3.5 x 106 molecules B.) 8.7 x 1016 molecules C.) 2.1 x 1018 molecules D.) 8.9 x 1020 moleculesarrow_forwardPlease don't provide handwritten solution......arrow_forward4. Which of the following processes add methane (CH4) to the atmosphere? O A. Breakdown of plant and animal remains in the soil. O B. Leakage from natural gas pipelines. O C. Food digestion by land animals. O D. All of the above.arrow_forward
- The greenhouse effect is a natural process that maintains the Earth's temperature within a range that sustains life. Which statement accurately describes the cause of the enhanced greenhouse effect? O a. Burning fossil fuels causes an increase in the amount of atmospheric greenhouse gases, such as CO2, resulting in the enhanced greenhouse effect. O b. Increased amounts of solar energy and infrared radiation are trapped by atmospheric greenhouse gases as a result of the sun burning hotter, which contributes to the enhanced greenhouse effect. O c. Cellular respiration and photosynthesis use CO2 from the atmosphere, reducing the amount of greenhouse gases in the atmosphere. o d. Ultraviolet radiation from cyclic solar flares enhance the greenhouse effect by increasing the amount of thermal radiation absorbed by greenhouse gases in the atmosphere.arrow_forwardThe lower layer of the atmosphere where all atmospheric phenomena such as typhoons, etc. occur is the a. stratosphere b. exosphere c. mesosphere d. tropospherearrow_forwardBased on the lewis structures of H2, Cl2, CO, and CO2, which gas is the most reasonable to form from H2CO3? Explain.arrow_forward
- World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
- Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning