Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
16th Edition
ISBN: 9781259663895
Author: KRAUSKOPF, Konrad B.
Publisher: Mcgraw-hill Higher Education (us)
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 4, Problem 30E
(a)
To determine
The list of desirable aspects of coal gasification turned into a mixture of gases.
(b)
To determine
The prevention of the carbon dioxide from burning of coal enters into the atmosphere.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Photosynthesis converts less than 0.5% of incoming solar radiation into new phytomass. The
best annual fuelwood productivity of traditional fast-growing species (poplars, eucalyptus, pines)
are no more than 10 t/ha. With the energy density of the dry wood averaging 18 GJ/t. (ha =
104 m²).
Now, think about a large eighteenth-century city, which is located near a very large forest, would
have required at least 20-30 W/m² of its built-up area for heating, cooking, and artisanal
manufacturers. This city was totally dependent on the phytomass fuels. With the annual harvest
of 20 t/ha:
What is the approximate power density of the harvested phytomass fuel? (t = ton; ha =
hectare)
600 (W)/(m²)
1.2 (W)/(m²)
1200 (W)/(m²)
1800 (W)/(m²)
0.6 (W)/(m²)
A person uses a Nissan Leaf to commute from home to work 6.0 miles each way in a city (5 days a week, 48 weeks a year). This car runs 124 miles per gallon equivalent. Assume that 1 gallon of gasoline is equivalent to 33 kWh of energy. Also, assume that the Nissan Leaf is powered entirely by coal-generated electricity with a carbon footprint of 1.1 kg of CO2 per kWh.
What is the CO2 emission in kg/year? A. 843.097 kg CO2/year B. 1.296*10^7 kg CO2/year C. 421.548 kg CO2/year D. 0.77 kg CO2/year
Estimate how many large maple trees would be needed to run a dishwasher for one year. Assume the dishwasher uses 1.1 ×108Jof energy per year and a large maple tree captures 10 kg of carbon (in CO2) per year. Assume the power plant that generates the electricity is 37 %% efficient at converting the carbon in coal to electrical energy and that typical coal releases 40,000 kg of carbon (as CO2) per terajoule of energy when burned.
Chapter 4 Solutions
Connect with LearnSmart for Krauskopf: The Physical Universe, 16e
Ch. 4 - In 2100 the number of people in the world is...Ch. 4 - Arrange these sources in the order of the energy...Ch. 4 - Of the following, the energy source likely to be...Ch. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 6MCCh. 4 - Energy not ultimately derived from solar radiation...Ch. 4 - If present trends continue, an optimistic average...Ch. 4 - Prob. 9MCCh. 4 - Prob. 10MC
Ch. 4 - The radiation from an object at room temperature...Ch. 4 - The earths atmosphere is primarily heated by a....Ch. 4 - Prob. 13MCCh. 4 - Prob. 14MCCh. 4 - Prob. 15MCCh. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Which of the following is not a fossil fuel? a....Ch. 4 - Prob. 19MCCh. 4 - The proportion of oil used by the United States...Ch. 4 - Most oil today is used for a. transportation b....Ch. 4 - Prob. 22MCCh. 4 - Prob. 23MCCh. 4 - The least polluting of the following fuels is a....Ch. 4 - Prob. 25MCCh. 4 - Prob. 26MCCh. 4 - The worst emitters of mercury, which damages the...Ch. 4 - Prob. 28MCCh. 4 - Of the following countries, the one that obtains...Ch. 4 - The proportion of electricity generated in the...Ch. 4 - In the relatively near future, the technology most...Ch. 4 - Prob. 32MCCh. 4 - Bright sunlight might deliver energy to an area of...Ch. 4 - The output of which of the following renewable...Ch. 4 - Prob. 35MCCh. 4 - Of the following technologies, the one that may...Ch. 4 - Of the following technologies, the one farthest...Ch. 4 - Biofuels based on which of the following seem to...Ch. 4 - Of the following, the strategy for coping with...Ch. 4 - Prob. 40MCCh. 4 - Population and Prosperity 1. What are the three...Ch. 4 - Energy Supply and Consumption 2. Even if the...Ch. 4 - The average rate of energy consumption per person...Ch. 4 - List the fossil fuels in the order in which they...Ch. 4 - Explain how sunlight is responsible for these...Ch. 4 - What energy sources cannot be traced to sunlight...Ch. 4 - Approximately what proportion of the worlds...Ch. 4 - (a) Give two reasons why global warming is causing...Ch. 4 - Once the polar ice sheets have melted beyond a...Ch. 4 - The oceans as well as the atmosphere are growing...Ch. 4 - When was the last time world temperatures were as...Ch. 4 - Every body of matter radiates light. What is...Ch. 4 - What is the nature of the greenhouse effect in the...Ch. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - (a) Why is deforestation so important in global...Ch. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Most of the worlds oil is used as a fuel for what...Ch. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - What is the chief reason why the average fuel...Ch. 4 - Prob. 23ECh. 4 - Why is natural gas rarely used as a vehicle fuel?Ch. 4 - What is methane hydrate? Where is it found and why...Ch. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - What is the basic difference between nuclear...Ch. 4 - What role does uranium play in nuclear energy...Ch. 4 - How does a nuclear power plant produce...Ch. 4 - Explain why no nuclear power plants were planned...Ch. 4 - Prob. 35ECh. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - Prob. 38ECh. 4 - Prob. 39ECh. 4 - Give several reasons why fossil-fuel energy is...Ch. 4 - Prob. 41ECh. 4 - Prob. 42ECh. 4 - Prob. 43ECh. 4 - Prob. 44ECh. 4 - (a) What major advantage does geothermal energy...Ch. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - What are the advantages and disadvantages of...Ch. 4 - Prob. 49ECh. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - A major obstacle to a worldwide agreement on...Ch. 4 - Explain the cap-and-trade system for controlling...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Explain it!arrow_forwardOne proposed method of mitigating climate change is the planting of large numbers of trees. How would this reduce the problem of global warming? Trees reflect additional sunlight back into space before it strikes the ground, reducing the global temperature. Trees absorb carbon dioxide, reducing the amount of carbon dioxide in the atmosphere and thereby reducing the greenhouse effect. Trees prevent soil erosion, and soil erosion contributes to the greenhouse effect. Trees release water vapor into the atmosphere, increasing the cloud cover and reducing the global temperature.arrow_forwardWhat is the ultimate source of energy in coal, oil, and wood? Why do we call energy from wood renewable but energy from coal and oil nonrenewable?arrow_forward
- The recommended daily caloric intake is 2000 calories (8,400,000J). This is because this is the same value for how much the average body loses to heat and work in a typical day (your change in energy is zero because you take in the same amount of energy you lose). A) If you lose a total of 8,400,000J (Qout+W=total lost), but consume 1200 calories of food (5,000,000J), what would your change in energy be? B) Assuming your change in energy is negative (hint-it should be), where does your body get the extra energy to maintain it's temperature?arrow_forwardThe United States has a lot of federally owned land. Unfortunately, uncontrolled natural forest fires destroy large areas in the western US every summer. In 2002, about 1,000,000 acres of standing timber in national forests were consumed. Some consideration is being given to improved management practices that could produce electric power from residual forest thinning. Estimate the lost energy content of burned US forests during 2002. Assuming the US average electricity demand is about 300,000 MWe, how much forested land would be needed to produce all the country's power? Is this a sustainable alternative? How would you manage the forest lands needed? A few facts to consider: • The total forested area on US federal lands in the lower 48 states is about 600 million acres with a standing stock density of about 100 dry metric tonnes of wood per acre, • ● Woody plants and trees capture solar energy via photosynthesis at an average rate of about 0.8 W/m2 which corresponds to producing about…arrow_forwardA woman expends 95 kJ of energy in walking a kilometer. The energy is supplied by the metabolic breakdown of food intake and has a 35 percent efficiency. If the woman drives a car over the same distance, how much energy is used if the car gets 8.8 km per liter of gasoline (approximately 20 mi/gal)? The density of gasoline is 0.71 g/mL, and its enthalpy of combustion is 49 kJ/g. Enter your answer in scientific notation. Compare the efficiencies of the two processes. kJ (driving)/ kJ (walking)arrow_forward
- On food labels, we can read the food-calories of the product. The food calorie is written as "Cal" and it corresponds to 1.000 calories with the lower case 'c! In summary, one food-calorie - 1 kcal = 1 Cal = 4.186 Joules How many Joules will be released by combustion of 1 kg of rice, if rice has 3,200 food-calories per kilogram? O 1.3 J O 13,395,200J O 13J O 1,340 Jarrow_forward1. A) How much diesel fuel (gallons) is required to move a unit train (100 cars) with 125 tons of freight per car from Salt Lake City to Denver (517 mi)? b)The density of diesel fuel is 6.9 lb/gallon, how much CO2 is emitted by the train? type of fuel Carbon content Cf t-CO2/t-Fuel Diesel/Gas Oil 0.875 3.206000arrow_forward3arrow_forward
- Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a latent heat of 2,430 kJ/kg at body temperature, and the body can produce as much as 1.7 kg of sweat per hour. If sweating were the only heat dissipation mechanism, what would be the maximum sustainable metabolic rate, in watts, if 82% of the energy used by the body goes into waste heat? (W)arrow_forwardHow much land (in km2) would you need to cover with solar panels in order to generate all of our power from solar energy? Assume human power consumption is 15 TW. If one takes into account the day-night cycle and occasional cloudiness, solar panels receive on average about 200W/m2 of sunlight. And this is further reduced because those panels convert sunlight into electricity with an efficiency of about 20%.arrow_forward13. The following graph compares the greenhouse gas emissions from different forms of electricity production. Which conclusion is supported by the information in the graph? * CO2 Equivalent Emissions for Full Energy Chain 1600 1400 1290 1234 1200 1000 890 800 600 410 400 279 200 30 75 116 860 Coal 689 460 Gas 16 9. 11 30 Wind Solar PV Biomass 37 Ol Hydro Nuciear Nuclear power releases no greenhouse gases. Nuclear power releases less greenhouse gases than other forms of power. Nuclear power releases an average amount of greenhouse gases. Nuclear power releases more greenhouse gases than other forms of power. 14 What is the equivalent resistance between the two terminals in thearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningFoundations of Astronomy (MindTap Course List)PhysicsISBN:9781337399920Author:Michael A. Seeds, Dana BackmanPublisher:Cengage Learning
- Stars and Galaxies (MindTap Course List)PhysicsISBN:9781337399944Author:Michael A. SeedsPublisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Foundations of Astronomy (MindTap Course List)
Physics
ISBN:9781337399920
Author:Michael A. Seeds, Dana Backman
Publisher:Cengage Learning
Stars and Galaxies (MindTap Course List)
Physics
ISBN:9781337399944
Author:Michael A. Seeds
Publisher:Cengage Learning
Newton's First Law of Motion: Mass and Inertia; Author: Professor Dave explains;https://www.youtube.com/watch?v=1XSyyjcEHo0;License: Standard YouTube License, CC-BY