Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 4, Problem 7P
To determine
Find the gasoline required to burn to reach a lethal level of carbon monoxide.
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- One gram of methane is burned, and the heat is used to raise the temperature of 1 kg of water. If the initial temperature of the water is 25C, what is the final temperature?arrow_forwardIf hydrogen followed an ideal gas law at all pressures, calculate the pressure at which the density of CHG would exceed that of LH2 (71 kg/m3).arrow_forwardA simple way of looking at the energy associated with the combustion of methane [as shown in equation (1.15)] is to view the oxidation of the carbon by equation (1.13) and the oxidation of hydrogen by equation (1.19). Based on the energies involved in these processes, discuss the validity of this approach.arrow_forward
- A water treatment plant with an average flow of Q = 0.5 m3/s treats its water with alum at a dose of 34 mg/L. Alum (Al2(SO4)3. 14.3 H2O)coagulation is used to remove particulate matter, reduce the concentration of organic matter, and reduce the alkalinity of the water. Determine the total mass of alkalinity (HCO3-) consumed per day (kg/d, no decimal point) (atomic mass: Al: 27, S: 32, H: 1, O: 16, C: 12)arrow_forwardThe principal component of LPG is butane, C4H10 (g). If combustion of 1 mole ofbutane produces 126 kJ of heat, how much heat can be generated by completecombustion of one 11.0 kg gas tank?arrow_forwardCalculate the total mass of CO2 in the atmosphere. State all assumptions. Compare this to the actual of ~3.6 ×1012 tonnes. At our current rate of emissions, how long would it take to emit a quantity equal to the present mass of CO2 in the atmospherearrow_forward
- A water treatment plant with an average flow of Q = 0.8 m3/s treats its water with alum at a dose of 27 mg/L. Alum (Al2(SO4)3. 14.3 H2O) coagulation is used to remove particulate matter, reduce the concentration of organic matter, and reduce the alkalinity of the water. Determine the total mass of aluminum hydroxide (Al(OH)3) consumed per day (kg/d, no decimal point) (atomic mass: Al: 27, S: 32, H: 1, O: 16).arrow_forwardChoose the correct answer Which of the following is the most likely concentration of the current methane at atmosphere? A. 9 ppm; B. 1.9 ppb; C. 420 ppm; D. 420 ppb The current CO2 concentration in atmosphere has approximately increased by ____% in comparison with its level in 2010? A. 2; B. 8; C. 22; D. 45 What is the original heat source in the greenhouse effect? A. Magma activities; B. sun; C. wind; D. greenhouse gases Which of the following descriptions is NOT correct at 1 atm and 0oC? 200 g CO2, 200 g CH4, and 200 g N2O gases have the same volumes; 200 moles CO2, 200 moles CH4, and 200 moles N2O gases have the same volumes; 1 mole CO2 gas has a volume of 22.4 L; CO2 has a lower global warming potential than CH4arrow_forward
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