Sustainable Energy, Si Edition
2nd Edition
ISBN: 9781337551670
Author: DUNLAP, Richard A.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 2, Problem 18P
To determine
Calculate the fraction of the average per capita energy use.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Assume that gasoline is burned with 99% efficiency in a car engine, with 1% remaining unbumed in the exhaust gases as VOCs; If the engine exhausts 16 kg of gases (MW = 30) for each kg of gasoline (MW = 100), calculate the fraction of VOCs in the exhaust. Give your answer in parts per million.
5. If 2 liters of cream with a density 1010 kg/m³ is turned to 5 liters of whipped cream. What is the
specific gravity and specific weight of the whipped cream?
Water is available at a rate of 400 gallons/min to a small apartment complex, consisting of four units. If at a given time, units 1, 2, and 3 are consuming 18 lbm/s, 14 lbm/s, 16 lbm/s, respectively, how much water is available to unit 4? Express your answer in gallons/min, ft3/s, m3/s, lbm/s, and kg/s.
Chapter 2 Solutions
Sustainable Energy, Si Edition
Ch. 2 - A quantity has a doubling time of 110 years....Ch. 2 - The population of a particular country has a...Ch. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - The total world population in 2012 was about 7...Ch. 2 - The population of a state is 25,600 in the year...Ch. 2 - The population of a country as a function of time...Ch. 2 - Prob. 9PCh. 2 - Prob. 10PCh. 2 - Prob. 11P
Knowledge Booster
Similar questions
- Calculate in units of (mg/L)*min the C*T product of water disinfection with chlorine tablets. Use the following information for your calculation: Each tablet contains 15 mg chlorine, 2 tablets should be added per liter of water, and water should be disinfected for 0.5 hours before consumption.arrow_forwardHelene has just accepted a position as a microbiologist for the Board of Health. It is known that when a certain food product is packaged, the number of organisms present in the food is N, and after 30 days the number of organisms has grown to 100N. How many days will it take for the number of organisms to reach 200N?arrow_forwardA typical household of four people consume approximately 300 liters of water per day. Express the annual consumption rate of a city with a population of 100,000 people. Express your answer in liters per year and m3 per year.arrow_forward
- If a cup of cream with a density of 1005 kg/m3 is turned into 3 cups of whipped cream, determine the unit weight of the whipped cream.arrow_forwardInformation about the level of CO present in the air is usually expressed in ppm, parts per million. This unit indicates how many parts of CO are in a million parts of air, for example, how many molecules of CO are in a million molecules of the gases that make up the air, or how many cm³ of CO are in a million cm³ of air . The maximum limit recommended by the World Health Organization (WHO) is 9 ppm.The information corresponding to several days of a week in Buenos Aires was: Tuesday (8-16 hs) 8 ppm; Thursday (8am-4pm) 8.5ppm, (4pm-midnight) 3ppm; Friday (8am-4pm) 10.5ppm. Signpost: a) If the air in the city that week was highly polluted or not.b) On what days and times was there a higher degree of contamination.c) An oxidation that we try to avoid: metallic corrosionarrow_forwardDetermine the mass moment of inertia of a steel shaft that is 1 m long and has a diameter of 5 cm. Determine the mass of the shaft using the density information provided in Table 9.1.arrow_forward
- Question 39 A piece of wood board weighs 864 g and has dimensions 50 mm (tangential) x 25 mm (radial) and 1200 mm (longitudinal). What is the density of that wood piece in kg/m³? Answer:arrow_forwardPLEASE FAST!!! NEED ASAParrow_forward5. A tank of gasoline has a mass of 1.500 Mg (Mega gram) and a volume of 2.205 x 10^6 cc (cubic centimeter) * 14,715 dynes 14,715 kg/m^3 14.715 KN 14,715 N/m^3 6. Given the mass of 1.500 Mg and a volume of 2.205 x 10^6 cc, what is the mass density? * 675 kg/m^3 685 Kg/m^3 690 kg/m^3 680 kg/m^3arrow_forward
- A typical household of four people consume approximately 80 gallons (US) of water per day. Express the annual consumption rate of a city with a population of 100,000 people. Express your answer in gallons per year = [ Select] ft per year [ Select] liters per year- ( Select ] vand m2 per year= I Select]arrow_forwardI. A man takes 40 mg of a certain medicine. Each hour, the amount of medicine in the man's system decreases by 30%. How much medicine is left in the man's system after 5 hours? II. Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the object decreases from 100°C to 90°C in 10 minutes, how much longer will it take for its temperature to cool to 80°C ?arrow_forwardHi! The previous tutor answered this question already. I am just confused about the number of days in a year. The tutor uses 365 days, isn't 360 days? Since the question doesn't state any exact value, but only it assumes so I think it is 360 days, right? If the tutor's answer is correct, please enlighten and describe further why is it 365 days and not 360 days. This is the question: Find the present value on Oct. 9, 2020, if the amount on February 4, 2021, is Php. 4,600 with a discount rate of 3 4/5 %arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Engineering Fundamentals: An Introduction to Engi...Civil EngineeringISBN:9781305084766Author:Saeed MoaveniPublisher:Cengage Learning
Engineering Fundamentals: An Introduction to Engi...
Civil Engineering
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Cengage Learning