Chemistry in Context
8th Edition
ISBN: 9780073522975
Author: American Chemical Society
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 3.7, Problem 3.18SC
You Decide Checking Carbon from Cars
A clean-burning automobile engine emits about 5 lb of C atoms in the form of CO2 molecules for every gallon of gasoline it consumes. The average American car is driven about 12,000 miles per year. Using this information, check the statement that the average American car releases its own weight in carbon into the atmosphere each year. List the assumptions you make to solve this problem. Compare your list and your answer with those of your classmates.
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Carbon dioxide emissions associated with a one-night stay in a hotel room are calculated at 29.53 kg of CO2 per room day for an average hotel. The 200 rooms of your hotel are all occupied for two days during a college football game. How much CO2 did the guests and hotel release into the atmosphere?
Chapter 3 Solutions
Chemistry in Context
Ch. 3.1 - Prob. 3.3YTCh. 3.1 - You Decide Evaporating Coal Mines Writing in the...Ch. 3.2 - Prob. 3.6SCCh. 3.3 - Prob. 3.9YTCh. 3.4 - Prob. 3.10CTCh. 3.6 - Skill Building Isotopes of Nitrogen Nitrogen (N2)...Ch. 3.6 - You Decide Marshmallows and Pennies Avogadros...Ch. 3.7 - You Decide Checking Carbon from Cars A...Ch. 3.8 - Prob. 3.19YTCh. 3.8 - Prob. 3.20CT
Ch. 3.8 - Prob. 3.21CTCh. 3.9 - Prob. 3.22CTCh. 3.9 - Prob. 3.23YTCh. 3.9 - Prob. 3.24CTCh. 3.10 - Prob. 3.26CTCh. 3.10 - Prob. 3.27CTCh. 3.11 - Prob. 3.29CTCh. 3.11 - Prob. 3.30YTCh. 3.11 - Prob. 3.31YTCh. 3.11 - Prob. 3.32CTCh. 3.11 - You Decide Climate Change Insurance? Mitigation of...Ch. 3.11 - Prob. 3.34SCCh. 3.11 - Prob. 3.35CTCh. 3 - Prob. 3.1CTCh. 3 - The chapter concluded with a quote from John...Ch. 3 - Prob. 2QCh. 3 - Prob. 3QCh. 3 - Prob. 5QCh. 3 - a. It is estimated that 29 megajoules per square...Ch. 3 - Consider Figure 4.23. a. How does the present...Ch. 3 - Understanding Earths energy balance is essential...Ch. 3 - Explain each of these observations. a. A car...Ch. 3 - Prob. 10QCh. 3 - Draw the Lewis structure and name the molecular...Ch. 3 - Draw the Lewis structure and name the molecular...Ch. 3 - a. Draw the Lewis structure for methanol (wood...Ch. 3 - a. Draw the Lewis structure for ethene (ethylene),...Ch. 3 - Prob. 15QCh. 3 - Prob. 16QCh. 3 - Prob. 17QCh. 3 - Prob. 18QCh. 3 - Termites possess enzymes that allow them to break...Ch. 3 - Consider Figure 4.4. a. Which sector has the...Ch. 3 - Silver has an atomic number of 47. a. Give the...Ch. 3 - Silver only has two naturally occurring isotopes:...Ch. 3 - a. Calculate the average mass in grams of an...Ch. 3 - Prob. 24QCh. 3 - Prob. 25QCh. 3 - The total mass of carbon in living systems is...Ch. 3 - Prob. 27QCh. 3 - Prob. 28QCh. 3 - Prob. 29QCh. 3 - Prob. 30QCh. 3 - The Arctic has been called our canary in the coal...Ch. 3 - Do you think the comment made in the cartoon is...Ch. 3 - Prob. 33QCh. 3 - Prob. 34QCh. 3 - Over the last 20 years, about 120 billion tons of...Ch. 3 - Prob. 36QCh. 3 - Prob. 37QCh. 3 - Prob. 38QCh. 3 - Ethanol, C2H5OH, can be produced from sugars and...Ch. 3 - Prob. 40QCh. 3 - Prob. 41QCh. 3 - Prob. 42QCh. 3 - Prob. 43QCh. 3 - Prob. 44QCh. 3 - Prob. 45QCh. 3 - Prob. 46QCh. 3 - Prob. 47QCh. 3 - Prob. 48QCh. 3 - Prob. 49QCh. 3 - Prob. 50QCh. 3 - Former vice president Al Gore writes in his 2006...Ch. 3 - Prob. 52QCh. 3 - Prob. 53QCh. 3 - Data taken over time reveal an increase in CO2 in...Ch. 3 - In the energy industry, 1 standard cubic foot...Ch. 3 - Prob. 56QCh. 3 - A solar oven is a low-tech, low-cost device for...Ch. 3 - In 2005, the European Union adopted a...Ch. 3 - The world community responded differently to the...
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- You place 1.85 grams of wood in a vessel with 9.45 grams of air and seal the vessel. Then you heat the vessel strongly so that the wood burns. In burning, the wood yields ash and gases. After the experiment, you weigh the ash and find that its mass is 0.28 gram. What is the mass of the gases in the vessel at the end of the experiment?arrow_forwardA sample of a gaseous substance at 25C and 0.862 atm has a density of 2.26 g/L. What is the molecular weight of the substance?arrow_forwardA piece of metal wire has a volume of 20.2 cm3 and a mass of 159 g. What is the density of the metal? We know that the metal is manganese, iron, or nickel, and these have densities of 7.21 g/cm3 7.87 g/cm3, and 8.90 g/cm3, respectively. From which metal is the wire made?arrow_forward
- Practice Exercise 2In the following diagram, the white spheres represent hydrogenatoms, the black spheres carbon atoms, and the redspheres oxygen atoms.In this reaction, there are two reactants, ethylene, C2H4,which is shown, and oxygen, O2, which is not shown, andtwo products, CO2 and H2O, both of which are shown.(a) Write a balanced chemical equation for the reaction.(b) Determine the number of O2 molecules that should beshown in the left (reactants) box.arrow_forward15. Evaluate the following related statements and choose the correct answer from the choices given: Decomposition generally occurs fast in tropical conditions due to high temperature and moisture. However, in cases when organic matter contains high amounts of starches, decomposition is slowed down due to the complexity of the molecule.a. Both statements are true. Both statements are false. Statement 1 is true but statement 2 is false Statement 1 is false but statement 2 is true.arrow_forwardA volume of carbon dioxide gas, CO2, equal to 20.0 L was collected at 23C and 1.00 atm pressure. What would be the volume of carbon dioxide collected at 23C and 0.830 atm?arrow_forward
- Practice Exercise 2The density of the organic compound benzene is 0.879 g/mL.Calculate the mass in grams of 1.00 qt of benzene.arrow_forwardHow many liters of chlorine gas, Cl2, can be obtained at 40C and 787 mmHg from 9.41 g of hydrogen chloride, HCl, according to the following equation? 2KMnO4(s)+16HCl(aq)8H2O(l)+2KCL(aq)+2MnCl2(aq)+5Cl2(g)arrow_forwardCarbon dioxide emissions associated with a one-night stay in a hotel room are calculated at 28.98 kg of CO2 per room day for an average hotel. The 250 rooms of your hotel are all occupied for two days during a college football game. How much CO2 did the guests and hotel release into the atmosphere? Round your answer to the nearest whole number. kgsarrow_forward
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