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CHEM 301 Thermodynamics Exam 4 || All Questions & 100% Correct Answers
- Examen • 9 páginas • 2023
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CHEM 301 Thermodynamics Exam 4 || All Questions & 100% Correct Answers 
CHEM 301 Thermodynamics Exam 4 || All Questions & 100% Correct Answers 
 
What is the equation for dU? - ANSWER - U=q+w 
 
Energy is the... - ANSWER - Capacity to do work or produce heat 
 
dH is... - ANSWER - Change in enthalpy 
 
dU is... - ANSWER - Change in internal energy 
 
dG is... - ANSWER - Change in Gibbs free energy 
 
dS is... - ANSWER - Change in entropy 
 
What is a state function? - ANSWER - A property of the ...
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CHEM 107 Ch. 17: Free Energy and Thermodynamics Exam 4 || Questions & Answers (100% Verified)
- Examen • 9 páginas • 2023
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CHEM 107 Ch. 17: Free Energy and Thermodynamics Exam 4 || Questions & Answers (100% Verified) 
CHEM 107 Ch. 17: Free Energy and Thermodynamics Exam 4 || Questions & Answers (100% Verified) 
 
kinetics, equilibrium, thermodynamics - ANSWER - kinetics: rate = k[A][B] how fast? 
equilibrium: how far? 
thermodynamics: will it occur? 
 
spontaneous process - ANSWER - occurs w/o ongoing outside intervention 
- seeking lowest potential energy 
 
non-spontaneous process - ANSWER - does not mean impossib...
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Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A+)
- Examen • 11 páginas • 2023
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Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A+) 
Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A+) 
 
What is the change in entropy? - ANSWER - Delta S 
 
What is the change in free energy? - ANSWER - Delta G 
 
What is the change in enthalpy? - ANSWER - Delta H 
 
What heat received by the chemical system from its surroundings? - ANSWER - Q as in Q=mcp(delta)T 
 
The internal energy of a system is ____ of the path taken in going from the ini...
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Thermodynamics Exam Questions with Correct Solutions | Graded A+
- Examen • 7 páginas • 2023
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What is the first law of thermodynamics? - Energy can be transferred and transformed, but it cannot be created or destroyed. A thermodynamic property. 
 
What is the second law of thermodynamics? - Energy has a quality AND quantity. In decreasing quality of energy. Hot > cold 
 
What is classical thermodynamics? - This macroscopic approach to the study of thermodynamics that does not require the behaviour of the individual particles 
 
What is statistical thermodynamics? - based o...
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Thermodynamics Key Terms and Mid-Unit Test Chemical Thermodynamics Mid-Unit - Part 1 Cheat Sheet
- Examen • 7 páginas • 2023
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Conduction - The transfer of heat within an object or between objects by molecular activity, without any net external motion 
 
Convection - Process by which, in a fluid being heated, the warmer part of the mass will rise and the cooler portions will sink. 
 
Energy - The ability to do work. 
 
Entropy - The function of the state of a thermodynamic system whose change in any differential reversible process is equal to the heat absorbed by the system from its surroundings divided by t...
Y así es como ganas dinero extra
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Thermodynamics Definitions 100% Verified
- Examen • 10 páginas • 2023
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Thermodynamics - The relationship between properties of a substance and the 'work' and 'heat' which cause a change of state 
 
System - A collection of matter (substance or working fluid) enclosed within a defined boundary 
 
Boundary - A surface (real or imaginary) which separates the system from its surroundings. It can be rigid or flexible. 
 
Surroundings - Matter which is external to the system 
 
Closed System - A system where only energy (heat/work) can cross the bounda...
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Thermodynamics Worksheet Test Questions with Correct Solutions
- Examen • 3 páginas • 2023
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The total amount of energy in an object - internal energy 
 
This States that when 2 objects are in contact, heat will flow until they are in thermal equilibrium - 0th law of thermodynamics 
 
Heath that is transferred by movement of a fluid - Convection 
 
The energy transferred between objects in contact as a result of temperature difference - Conduction 
 
A device that uses heat to do work but is 100% efficient and expels excess heat - heat engine 
 
A measure of the average m...
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CHEM: THERMODYNAMICS NONSTANDARD CONDITIONS
- Examen • 3 páginas • 2023
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CHEM: THERMODYNAMICS NONSTANDARD CONDITIONS 
 
If the equilibrium constant is 8.8 at 298 K, what is the value at 353 K? 
 
2 NO2(g) ⇌ N2O4(g) ΔH = −57.2 kJ - Answer- 0.239 
 
What is ∆G when ∆G° is −76.0 kJ and the pressure of each gas is 0.0255 atm at 25°C? 
 
4 HCl(g) + O2(g) ⇌ H2O(g) + 2 Cl2(g) - Answer- −57.8 kJ 
 
If the equilibrium constant is 4.9 × 10−6 at 298 K, at what temperature is the value 9.3 × 10−5? 
 
2 ICl(g) ⇌ I2(g) + Cl2(g) ΔH = 26.9 kJ - Answer- 4...
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CHE 111 - OQ 8 Thermodynamics
- Examen • 4 páginas • 2023
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CHE 111 - OQ 8 Thermodynamics 
Complete the sentence: When heat is transferred to the system, the process is said to be ____________, and the sign of q is __________. 
1. exothermic, positive 
2. exothermic, negative 
3. endothermic, positive 
4. endothermic, negative 
5. forbidden, indeterminate - Answer- 3. endothermic, positive 
 
What is the equation for the formation reaction for gaseous hydrazine, N2 H4, at 25ºC and 1 atm pressure? 
1. N2 + H4 (g) → 2NH3 (g) + H2 (g) 
2. 2 NH3 (g) + H2 ...
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Basic Concepts of Thermodynamics (CHE61404)
- Examen • 3 páginas • 2023
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Basic Concepts of Thermodynamics (CHE61404) 
 
basic thermodynamics concepts - Answer- state, system, state postulate, equilibrium, process and cycle 
 
thermodynamics - Answer- study of the flow and transformation of energy in the universe, and it's ability to cause changes 
 
first law of thermodynamics - Answer- Energy can be transferred and transformed, but it cannot be created or destroyed. 
 
second law of thermodynamics - Answer- energy has quality and quantity, and processes occur in th...
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