Physical Universe
15th Edition
ISBN: 9780077510534
Author: KRAUSKOPF
Publisher: Mcgraw-hill Higher Education (us)
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Question
Chapter 12, Problem 24E
To determine
The origin of energy liberated in exothermic reaction has to be given.
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Students have asked these similar questions
Hydrogen sulfide is an impurity in natural gas that must beremoved. One common removal method is called the Clausprocess, which relies on the reaction:8 H2S1g2 + 4 O21g2¡S81l2 + 8 H2O1g2Under optimal conditions the Claus process gives 98% yield of S8from H2S. If you started with 30.0 g of H2S and 50.0 g of O2, howmany grams of S8 would be produced, assuming 98% yield?
Q1:
The following reactions were found to occur while trying to make a desired product B
A B
-TAI=K₁AC₁
A-X
-TA2 = K₂A CA
A+X-Y
-TA3=K3A CACX
Species X and Y are both foul pollutants
a) What is the point selectivity of B with respect to the foul pollutants X and Y? Plot the point
selectivity as function of CA (CAo=1 M) at 300 K.
b) How would you carry out this reaction to maximize the formation of B (type of reactor
preferred)? Just give a recommendation based on (a).
Additional Information
-10,000/T
KIA =.5 e
min
Tin degrees Kelvin
-20,000/T
K2A = 50 e
min
T in degrees Kelvin
min¹, T in degrees Kelvin
K3A
= 100 e 5,000/T
(a) A commercial 737 jet transporting 143 passengersand 5 crew members from Kansas City (MCI) to Baltimore (BWI) burned 11,800 lb (about 1700 gallons)of Jet A fuel en route. Jet A fuel is kerosine based,consisting primarily of CnH2n+2 hydrocarbons, withn: 5 6 to 16, so the carbonhydrogen ratio is close to12. During this flight, how much CO2 was releasedinto the atmosphere? Assume the combustion of thefuel was complete, so all the fuel was burned to formCO2 and H2O. Give both the mass of CO2 produced(in kg and in lbs) and the volume it would occupy at298 K, 1 atm.(b) How much CO2 would be released into the atmosphere if those passengers and crew made the tripinstead, in pairs, in hybrid cars at 40 miles per gallon.Assume the density of the gasoline is 0.75 kg L21andthat carbon and hydrogen dominate the compositionin a ratio of 1:2. The road trip is 1082 miles.
Chapter 12 Solutions
Physical Universe
Ch. 12 - Prob. 1MCCh. 12 - Prob. 2MCCh. 12 - A substance of unknown composition is heated in an...Ch. 12 - Prob. 4MCCh. 12 - Prob. 5MCCh. 12 - Prob. 6MCCh. 12 - Prob. 7MCCh. 12 - Prob. 8MCCh. 12 - Prob. 9MCCh. 12 - Prob. 10MC
Ch. 12 - Prob. 11MCCh. 12 - Prob. 12MCCh. 12 - Prob. 13MCCh. 12 - Prob. 14MCCh. 12 - Prob. 15MCCh. 12 - Prob. 16MCCh. 12 - Prob. 17MCCh. 12 - Prob. 18MCCh. 12 - Prob. 19MCCh. 12 - When an electric current is passed through molten...Ch. 12 - The quantity actually stored in a storage battery...Ch. 12 - Prob. 22MCCh. 12 - Prob. 23MCCh. 12 - Prob. 24MCCh. 12 - Prob. 25MCCh. 12 - The formula mass of gaseous carbon dioxide, CO2,...Ch. 12 - Prob. 27MCCh. 12 - Prob. 28MCCh. 12 - Prob. 29MCCh. 12 - Prob. 30MCCh. 12 - Prob. 31MCCh. 12 - In round numbers the atomic mass of nitrogen is 14...Ch. 12 - Prob. 33MCCh. 12 - Prob. 34MCCh. 12 - Prob. 35MCCh. 12 - Prob. 1ECh. 12 - Prob. 2ECh. 12 - What role does air play in combustion?Ch. 12 - For a given amount of energy to be used for its...Ch. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - How many moles of aluminum are present in 5 mol of...Ch. 12 - How many moles of atomic oxygen are present in 1...Ch. 12 - How many moles of propane, C3H8, can be prepared...Ch. 12 - Prob. 10ECh. 12 - Prob. 11ECh. 12 - Prob. 12ECh. 12 - Find the mass of 10 mol of uranium, U. How many...Ch. 12 - Prob. 14ECh. 12 - Find the mass of 2 mol of iron(III) oxide, Fe2O3.Ch. 12 - Prob. 16ECh. 12 - How many moles of glucose are present in 500 kg of...Ch. 12 - How many moles of lead nitrate are present in 100...Ch. 12 - Prob. 19ECh. 12 - When potassium chlorate, KClO3, is heated, it...Ch. 12 - Prob. 21ECh. 12 - Prob. 22ECh. 12 - How much sulfur is needed to react with 200 g of...Ch. 12 - Prob. 24ECh. 12 - Prob. 25ECh. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - Prob. 28ECh. 12 - Prob. 29ECh. 12 - Do ions in solution need activation energy to...Ch. 12 - Prob. 31ECh. 12 - Hydrogen peroxide, H2O2, decomposes into water and...Ch. 12 - What is the chief reason that reaction rates...Ch. 12 - Prob. 34ECh. 12 - Suggest three ways to increase the rate at which...Ch. 12 - Suggest three ways to increase the rate at which...Ch. 12 - Give an example of a reaction that is (a)...Ch. 12 - Under ordinary circumstances coal burns slowly,...Ch. 12 - Why is a reaction with a high activation energy...Ch. 12 - To what extent does the time needed for a strong...Ch. 12 - How common are reversible chemical reactions?Ch. 12 - Prob. 42ECh. 12 - Changing the pressure has no effect on the...Ch. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Prob. 49ECh. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - Prob. 52ECh. 12 - When an electric current is passed through a...Ch. 12 - When an electric current is passed through a...Ch. 12 - Prob. 55ECh. 12 - Prob. 56ECh. 12 - What do you think happens when a charging current...Ch. 12 - Prob. 58E
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