Chemistry In Context
9th Edition
ISBN: 9781259638145
Author: Fahlman, Bradley D., Purvis-roberts, Kathleen, Kirk, John S., Bentley, Anne K., Daubenmire, Patrick L., ELLIS, Jamie P., Mury, Michael T., American Chemical Society
Publisher: Mcgraw-hill Education,
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Chapter 6, Problem 45Q
Interpretation Introduction
Interpretation:
Two similarities and two differences between a nuclear-fueled power plant and a coal- fueled power plant have to be provided.
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Hydrazine, N2H4, can be used as fuel to orient and maneuver spacecraft. The energy used to do so is obtained by reacting the hydrazine with dinitrogen tetroxide to form nitrogen gas and water vapor.
Write and balance the chemical equation for this reaction.The spy satellite US-193 had 453 kg of hydrazine on board when it was destroyed. What mass of dinitrogen tetroxide would have had to be on board in order to completely react with the hydrazine? This reaction is a redox reaction. Assign oxidation states to each atom in the reaction,identify what is oxidized, what is reduced, the oxidizing agent, and the reducing agent. Answer in full please.
Using your cars miles per gallon and the miles you drive in 1 week calculate the liters of carbon dioxide you produce when using your car. Compare your miles in February (pre-covid) versus June (post-covid). Assume that your engine combusts at 1.00 atm and 25.0 celsius. Assume that your gasoline is 100% octane (C8H18). You will also need to balance the combustion reaction that occurs in your car engine. You will need to use PV=nRT
I think calculations are not correct specially for June. please help
2C8H18+ 25O2→16CO2+18H2O
Feb, (pre covid),
Miles covered per week=15×7=105 miles
So fuel consumed per week=105 miles/30 miles ga =3.5 ga
Density of octane=3.18 kg/ga
Mass=volume × density
Mass of Octane used per week = 3.5 ga x 3.18 kg/ga =11.13 kg
Moles of octane in 11.13 kg
11.13 kg/114 kg/k mol =0.097 kmol
2 kmol octan≡16 kmol CO2
0.097 kmol octane =16/2 × 0.097 kmol CO2
0.097 kmol octane = 0.781 kmol CO2
n= 0.781 kmol=781 moles CO2
V=781 mol x 8.314j/k. mol x (25+273)K/1atm x…
Chapter 6 Solutions
Chemistry In Context
Ch. 6.1 - A trace amount of a third isotope, U-234, is also...Ch. 6.1 - Prob. 6.3YTCh. 6.1 - Prob. 6.4YTCh. 6.2 - Prob. 6.5YTCh. 6.2 - Prob. 6.6YTCh. 6.2 - Prob. 6.7YTCh. 6.2 - Prob. 6.8YTCh. 6.3 - Prob. 6.9YTCh. 6.3 - Prob. 6.10YTCh. 6.4 - Prob. 6.11YT
Ch. 6.4 - Prob. 6.12YTCh. 6.4 - Prob. 6.13YTCh. 6.4 - Prob. 6.14YTCh. 6.5 - Equation 6.10 represents the combustion of...Ch. 6.5 - Prob. 6.16YTCh. 6.5 - Prob. 6.17YTCh. 6.6 - Prob. 6.18YTCh. 6.6 - Prob. 6.19YTCh. 6.6 - Prob. 6.20YTCh. 6.7 - Prob. 6.21YTCh. 6.7 - Prob. 6.22YTCh. 6.7 - Prob. 6.23YTCh. 6.8 - Prob. 6.24YTCh. 6.8 - Prob. 6.25YTCh. 6.8 - Last we heard. New Jersey was not volunteering to...Ch. 6.8 - Prob. 6.27YTCh. 6.8 - Prob. 6.28YTCh. 6.8 - Prob. 6.29YTCh. 6 - Prob. 6.1YTCh. 6 - Name two ways in which one carbon atom can differ...Ch. 6 - Prob. 2QCh. 6 - a. How many protons are in the nucleus of this...Ch. 6 - Prob. 4QCh. 6 - Prob. 5QCh. 6 - Prob. 6QCh. 6 - Prob. 7QCh. 6 - Prob. 8QCh. 6 - Prob. 9QCh. 6 - Prob. 10QCh. 6 - Prob. 11QCh. 6 - Prob. 12QCh. 6 - Prob. 13QCh. 6 - Prob. 14QCh. 6 - Prob. 15QCh. 6 - Prob. 16QCh. 6 - Prob. 17QCh. 6 - Prob. 18QCh. 6 - Prob. 19QCh. 6 - Prob. 20QCh. 6 - Prob. 21QCh. 6 - Every year, 5.6 1021 kJ of energy comes to Earth...Ch. 6 - Prob. 23QCh. 6 - Prob. 24QCh. 6 - Prob. 25QCh. 6 - Prob. 26QCh. 6 - Prob. 27QCh. 6 - Prob. 28QCh. 6 - Prob. 29QCh. 6 - Prob. 30QCh. 6 - Prob. 31QCh. 6 - Prob. 32QCh. 6 - Prob. 33QCh. 6 - Prob. 34QCh. 6 - Prob. 35QCh. 6 - Prob. 36QCh. 6 - Prob. 37QCh. 6 - Prob. 38QCh. 6 - Prob. 39QCh. 6 - Prob. 40QCh. 6 - Prob. 41QCh. 6 - Prob. 42QCh. 6 - Prob. 43QCh. 6 - Prob. 44QCh. 6 - Prob. 45QCh. 6 - Prob. 46QCh. 6 - Prob. 48QCh. 6 - Prob. 50Q
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- Which of the following is a renewable energy resource? (a) nuclear fusion (b) hydroelectric power (c) natural gas (d) coalarrow_forward4.60 Why are fuel additives used?arrow_forwardConsider the two space shuttle fuel reactions in Exercises 81 and 82. Which reaction produces more energy per kilogram of reactant mixture (stoichiometric amounts)? 81. The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3Al(s)+3NH4ClO4(s)Al2O3(s)+AlCl3(s)+3NO(g)+6H2O(g) Calculate H for this reaction 82. The space shuttle Orbiter utilizes the oxidation of methylhydrazine by dinitrogen tetroxide for propulsion: 4N2H3CH3(l)+5N2O4(l)12H2O(g)+9N2(g)+4CO2(g) Calculate H for this reactionarrow_forward
- Explain why hydroelectric power and wind power are indirect forms of solar energy.arrow_forwardLiquid hydrogen peroxide has been used as a propellant for rockets. Hydrogen peroxide decomposes into oxygen and water, giving off heat energy equal to 686 Btu per pound of propellant. What is this energy in joules per gram of hydrogen peroxide? (1 Btu = 252 cal; see also Table 1.4.)arrow_forwardConsider the accompanying diagram. Ball A is allowed to fall and strike ball B. Assume that all of ball As energy is transferred to ball B at point I, and that there is no loss of energy to other sources. What is the kinetic energy and the potential energy of ball B at point II? The potential energy is given by PE = mgz, where m is the mass in kilograms, g is the gravitational constant (9.81 m/s2), and z is the distance in meters.arrow_forward
- A tiny percent of all naturally-occurring carbon atoms on Earth are carbon-14. Trees (and all living things) incorporate C-14 into their bodies when alive, but this ceases at death, after which the amount of C-14 present gradually decreases due to nuclear decay. Wooden artifacts from long ago can be dated by the percent of carbon-14 remaining in them. A sample of a wooden object from an archaeological site contains only 12.5% of the level of carbon-14 expected for a live tree. How many half-lives have passed since that piece of wood was a living tree?arrow_forwardWhich describes nuclear power plants? They generate power directly from nuclear reactions. They supply over 50% of the nation's power needs. Compared to fossil fuels, they require much less fuel. They have more atmospheric pollutants compared to fossil fuelsarrow_forwardUsing your car miles per gallon and the miles you drive in 1 week calculate the liters of carbon dioxide you produce when using your car. Compare your miles in February (pre-covid) versus June (post-covid). Assume that your engine combusts at 1.00 atm and 25.0 celsius. Assume that your gasoline is 100% octane ( C8H18). You will also need to balance the combustion reaction that occurs in your car engine. You will need to use PV = nRT - My miles in February were 20 miles per day and June was only 10 miles per day. - My Car Is 24 MPG Please show workarrow_forward
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