Hess’s law - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Hess’s law? On this page you'll find 54 study documents about Hess’s law.
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CHEM 103 MODULE 3 NOTES.
- Exam (elaborations) • 27 pages • 2022
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CHEM 103 MODULE 3 NOTES. 
3.1: THERMOCHEMISTRY 
Thermodynamics is the study of the relationship between heat and other forms of energy, particularly mechanical work. Thermochemistry is the part of thermodynamics that deals with the quantity of heat given off or absorbed during a chemical reaction. The quantity of heat given off or absorbed during a physical change or temperature change can also be studied, and we will refer to this process as calorimetry. 
In order to adequately discuss thermoch...
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OCR A Level Chemistry Notes - Year 1
- Summary • 14 pages • 2024
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This document provides a comprehensive summary of Units 1-14 of OCR A Level Chemistry, covering key foundational topics essential for exam success: 
 
Unit 1 - Moles, Equations, and Acids: Focuses on the mole concept, stoichiometry, and acid-base reactions. It covers calculations involving moles, concentration, and key equations. 
 
Unit 2 - Atomic Structure: Explores the structure of atoms, electron configurations, and atomic models. Key concepts include isotopes, ionization energy, and periodi...
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CHEM 103 MODULE 3 NOTES
- Class notes • 27 pages • 2022
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CHEM 103 MODULE 3 NOTES. 
3.1: THERMOCHEMISTRY 
Thermodynamics is the study of the relationship between heat and other forms of energy, particularly mechanical work. Thermochemistry is the part of thermodynamics that deals with the quantity of heat given off or absorbed during a chemical reaction. The quantity of heat given off or absorbed during a physical change or temperature change can also be studied, and we will refer to this process as calorimetry. 
In order to adequately discuss thermoch...
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MCAT 4 REHEARSAL - Physical Sciences, Verbal Reasoning, Writing Sample, Biological Sciences
- Exam (elaborations) • 52 pages • 2023
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MCAT 4 REHEARSAL 
Physical Sciences, Verbal Reasoning, Writing Sample, Biological Sciences 
 
Contents: 
 
Physical Sciences 
Passage I	Capacitors 
Passage II	Electrochemistry Independent questions 
Passage III	Electricity 
Passage IV	Electrophoresis 
Passage V	Refraction Independent questions 
Passage VI	Hess’s Law 
Passage VII	Standing waves Independent questions 
 
Verbal Reasoning 
Writing Sample Biological Sciences 
Passage I	Kidneys 
Passage II	Carbohydrates Independent questions 
Passag...
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Chem 302
- Other • 43 pages • 2023
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Adiabatic walls: no energy may be transferred as heat between the system and the surroundings → no heat added or removed and no change in entropy ○ ∆U=-W; ∆S=0 ● Diathermal walls: the temperature of the system and the surroundings are the same (thermal equilibrium: the surroundings are sufficiently large so that their heat capacity is infinite and they can transfer heat to or from the surroundings with no change in temperature) ○ Isothermal means that the system is in thermal equili...
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CHEM 103
- Exam (elaborations) • 27 pages • 2022
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- $14.49
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CHEM 103 MODULE 3 NOTES. 
3.1: THERMOCHEMISTRY 
Thermodynamics is the study of the relationship between heat and other forms of energy, particularly mechanical work. Thermochemistry is the part of thermodynamics that deals with the quantity of heat given off or absorbed during a chemical reaction. The quantity of heat given off or absorbed during a physical change or temperature change can also be studied, and we will refer to this process as calorimetry. 
In order to adequately discuss thermoch...
-
CHEM 103 MODULE 3 NOTES.
- Exam (elaborations) • 27 pages • 2022
-
- $15.49
- + learn more
CHEM 103 MODULE 3 NOTES. 
3.1: THERMOCHEMISTRY 
Thermodynamics is the study of the relationship between heat and other forms of energy, particularly mechanical work. Thermochemistry is the part of thermodynamics that deals with the quantity of heat given off or absorbed during a chemical reaction. The quantity of heat given off or absorbed during a physical change or temperature change can also be studied, and we will refer to this process as calorimetry. 
In order to adequately discuss thermoch...
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Summary - Unit 3.1.8 - Thermodynamics (A-level only) (Chem)
- Summary • 6 pages • 2024
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Thermodynamics in A-Level Chemistry involves the study of energy changes, particularly in chemical reactions. Here's a brief summary of the key concepts: 
 
1. Enthalpy (H) 
Enthalpy Change (ΔH): The heat energy change measured under constant pressure. 
Exothermic Reactions: Release heat to the surroundings, ΔH is negative (e.g., combustion). 
Endothermic Reactions: Absorb heat from the surroundings, ΔH is positive (e.g., photosynthesis). 
2. Standard Enthalpy Changes 
Standard Conditions: 2...
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Chemistry 1211 / Chemistry I Thermochemistry Class Notes
- Class notes • 18 pages • 2023
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This document provides detailed notes for Chemistry I’s chapter on thermochemistry. It contains information on calorimetry, heats of formation, work, Hess’s Law, and endothermic vs exothermic reactions. It also includes practice problems with answers.
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Course notes
- Class notes • 2 pages • 2023
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These are notes on Hess’s law and standard enthalpy changes and what they entail
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