An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 13, Problem 5SA
To determine
The change occurs to the reactant, product and energy in a chemical reaction .
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A gaseous reaction occurs at a constant pressure of 1.75 atm and releases 6 kJ of heat. Before the reaction, the volume of the system was 15 L. After the reaction, the volume was half the initial value.
a) Calculate W in kJ.
b) Calculate the total internal energy change.
A particular chemical reaction occurs at room temperature (293 K) at half the rate that it does at 300 K. What is the activation
energy for this reaction?
Multiple Choice
1.20 x 10
-19
J
1.69 x 10-19
1.17 x 10-19 J
1.73 x 10-19 J
The cycle in the figure has been explained during the lectures. It shows the route to convert the hydrogen
produced by water splitting into natural gas.
Energy
Energy
H2O
Energy
Electrolysis
H2
CO2
Combustion
Water Gas Shift
CH4
02
Fisher-Tropsh
CO
Energy
The following efficiencies are considered:
• Electrolysis: 70%
• Water-gas shift reaction: 75%
⚫ Natural gas storage and circulation: 80%
• Fischer-Tropsch reaction: 80%
• Combustion: 75%
A) Based on these conversion efficiencies, calculate the efficiency of the complete process. Give the answer
in [%].
Another version of a hydrogen cycle in a hydrogen based economy is to directly store and convert the
hydrogen into energy, as in the scheme shown here.
Energy
Fuel cell
Storage
Energy
H2O
Electrolysis
H2
02
The following efficiencies are considered:
⚫ Electrolysis: 70%
• Natural gas storage and circulation: 70%
• Fuell cell: 50%
B) Calculate the efficiency of the complete process. Give the answer in [%].
Chapter 13 Solutions
An Introduction to Physical Science
Ch. 13.1 - Prob. 1PQCh. 13.1 - Prob. 2PQCh. 13.1 - Prob. 13.1CECh. 13.2 - Prob. 1PQCh. 13.2 - Prob. 2PQCh. 13.2 - Write and balance the equation for the complete...Ch. 13.3 - What is the pH scale?Ch. 13.3 - Prob. 2PQCh. 13.3 - Prob. 13.3CECh. 13.3 - Prob. 13.4CE
Ch. 13.3 - Prob. 13.5CECh. 13.4 - What is oxidation?Ch. 13.4 - Prob. 2PQCh. 13.4 - Prob. 13.6CECh. 13.5 - Prob. 1PQCh. 13.5 - Prob. 2PQCh. 13.5 - How many grams are in 1.70 moles of potassium...Ch. 13.5 - What is the molarity of a salt (NaCl) solution in...Ch. 13 - Prob. AMCh. 13 - Prob. BMCh. 13 - Prob. CMCh. 13 - Prob. DMCh. 13 - Prob. EMCh. 13 - Prob. FMCh. 13 - Prob. GMCh. 13 - Prob. HMCh. 13 - Prob. IMCh. 13 - Prob. JMCh. 13 - Prob. KMCh. 13 - Prob. LMCh. 13 - Prob. MMCh. 13 - Prob. NMCh. 13 - Prob. OMCh. 13 - Prob. PMCh. 13 - Prob. QMCh. 13 - Prob. RMCh. 13 - Prob. SMCh. 13 - Prob. TMCh. 13 - Prob. UMCh. 13 - Prob. VMCh. 13 - Prob. WMCh. 13 - Prob. XMCh. 13 - Prob. YMCh. 13 - Prob. ZMCh. 13 - When iron rusts in the presence of oxygen and...Ch. 13 - How many hydrogen atoms are indicated by 2...Ch. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Consider the complete combustion of octane, C8H18....Ch. 13 - Prob. 6MCCh. 13 - Prob. 7MCCh. 13 - What is the pH of a solution ten times as acidic...Ch. 13 - Prob. 9MCCh. 13 - Prob. 10MCCh. 13 - One mole of hydrogen peroxide, H2O2, would consist...Ch. 13 - One mole of hydrogen peroxide, H2O2, would consist...Ch. 13 - Prob. 1FIBCh. 13 - Prob. 2FIBCh. 13 - Prob. 3FIBCh. 13 - Prob. 4FIBCh. 13 - Prob. 5FIBCh. 13 - Prob. 6FIBCh. 13 - Prob. 7FIBCh. 13 - Prob. 8FIBCh. 13 - Prob. 9FIBCh. 13 - Prob. 10FIBCh. 13 - Prob. 11FIBCh. 13 - Prob. 12FIBCh. 13 - Prob. 13FIBCh. 13 - Prob. 14FIBCh. 13 - Prob. 1SACh. 13 - Iodine is (a) blue-black, (b) crystalline, and (c)...Ch. 13 - Prob. 3SACh. 13 - Prob. 4SACh. 13 - Prob. 5SACh. 13 - Prob. 6SACh. 13 - Prob. 7SACh. 13 - Prob. 8SACh. 13 - Prob. 9SACh. 13 - Prob. 10SACh. 13 - Why does a reaction vessel feel warm during an...Ch. 13 - What is absorbed during bond breaking but...Ch. 13 - Prob. 13SACh. 13 - Prob. 14SACh. 13 - Prob. 15SACh. 13 - Prob. 16SACh. 13 - Prob. 17SACh. 13 - Prob. 18SACh. 13 - Prob. 19SACh. 13 - Prob. 20SACh. 13 - What is the pH of a neutral aqueous solution? How...Ch. 13 - What color will litmus be in a solution of pH 9? A...Ch. 13 - Prob. 23SACh. 13 - Prob. 24SACh. 13 - Prob. 25SACh. 13 - Prob. 26SACh. 13 - The reaction of an acid with a hydroxide base...Ch. 13 - Prob. 28SACh. 13 - Prob. 29SACh. 13 - Prob. 30SACh. 13 - Prob. 31SACh. 13 - Prob. 32SACh. 13 - Prob. 33SACh. 13 - Prob. 34SACh. 13 - Prob. 35SACh. 13 - Prob. 36SACh. 13 - Prob. 37SACh. 13 - Suppose you are given the volume (in liters) of a...Ch. 13 - Prob. 1VCCh. 13 - Prob. 1AYKCh. 13 - Prob. 2AYKCh. 13 - Explain why a bag of charcoal briquettes contains...Ch. 13 - An Alka-Seltzer tablet contains solid citric acid...Ch. 13 - The human body converts sugar into carbon dioxide...Ch. 13 - Prob. 6AYKCh. 13 - Prob. 7AYKCh. 13 - Prob. 8AYKCh. 13 - Prob. 9AYKCh. 13 - Prob. 10AYKCh. 13 - Prob. 1ECh. 13 - Balance these chemical equations. (a) SO2+O2SO3...Ch. 13 - Prob. 3ECh. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - Prob. 6ECh. 13 - Prob. 7ECh. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Prob. 10ECh. 13 - Prob. 11ECh. 13 - Prob. 12ECh. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - Prob. 15ECh. 13 - Prob. 16ECh. 13 - Two moles of hydrogen sulfide, H2S, would consist...Ch. 13 - Four moles of sulfur dioxide, SO2, would consist...Ch. 13 - Prob. 19ECh. 13 - Prob. 20ECh. 13 - Prob. 21ECh. 13 - How many moles are in 15.0 g of copper sulfate...Ch. 13 - Prob. 23ECh. 13 - How many molecules are in 2.49 103 g of CuSO4?Ch. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Prob. 27ECh. 13 - Prob. 28E
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