Chm 1046 Samenvattingen, Aantekeningen en Examens
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CHM 1046 TOP Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 17 pagina's • 2024
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Which of the following processes would you expect the entropy of the system to decrease? 
I. evaporating a liquid 
II. decreasing the temperature of a gas 
III. melting a solidII only 
The boiling point of pure methanol (CH3OH) is 338K and the boiling point of pure ethanol 
(CH3CH2OH) is 351K why is the boiling point of ethanol higher than methanol? 
a. because ethanol forms more hydrogen bonding interactions per molecule than methanol. 
b. because ethanol has a larger electron cloud and ther...
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CHM 1046 Certification Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 19 pagina's • 2024
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intermolecular forces definition forces of attraction between molecules 
intramolecular forces definition forces of attraction within molecules, stronger than 
intermolecular forces 
ion-ion forces Very strong electrostatic forces between oppositely charged ions. same 
force as ionic bonds (#1 intermolecular force) 
ion-dipole forces attractive forces between an ion and a polar molecule (#2 
intermolecular force) 
polarity based on electronegativity; everything with oxygen is polar unless 
s...
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CHM 1046 UPDATED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 7 pagina's • 2024
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Cholestericliquid crystals are colored and change color with temperature changes. 
Nematicliquid crystal has the least order and is the most liquid-like. 
3There are ________ types of smectic liquid-crystalline phases. 
at the melting point of the solidFor a given substance that exhibits liquid-crystalline 
properties, the transition from solid to liquid-crystal state occurs 
only single bondsMolecules with ________ do not generally exhibit liquid-crystalline 
properties because they lack the ...
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CHM 1046 Already Passed Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 6 pagina's • 2024
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covalent networkA solid has a very high melting point, great hardness, and poor 
electrical conduction. This is a(n) ________ solid. 
supercriticalAll of the following are a type of solid except ________. A) supercriticalB) 
ionicC) molecular 
D) covalent network E) metallic 
a long-range repeating pattern of atoms, molecules, or ionsCrystalline solids differ from 
amorphous solids in that crystalline solids have ___ 
primitive cubicThe unit cell with all sides the same length and all angles ...
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CHM 1046 TOP Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 17 pagina's • 2024
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Which of the following processes would you expect the entropy of the system to decrease? 
I. evaporating a liquid 
II. decreasing the temperature of a gas 
III. melting a solidII only 
The boiling point of pure methanol (CH3OH) is 338K and the boiling point of pure ethanol 
(CH3CH2OH) is 351K why is the boiling point of ethanol higher than methanol? 
a. because ethanol forms more hydrogen bonding interactions per molecule than methanol. 
b. because ethanol has a larger electron cloud and ther...
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CHM 1046 Certification Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 19 pagina's • 2024
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intermolecular forces definition forces of attraction between molecules 
intramolecular forces definition forces of attraction within molecules, stronger than 
intermolecular forces 
ion-ion forces Very strong electrostatic forces between oppositely charged ions. same 
force as ionic bonds (#1 intermolecular force) 
ion-dipole forces attractive forces between an ion and a polar molecule (#2 
intermolecular force) 
polarity based on electronegativity; everything with oxygen is polar unless 
s...
-
CHM 1046 UPDATED Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 7 pagina's • 2024
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- $10.49
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Cholestericliquid crystals are colored and change color with temperature changes. 
Nematicliquid crystal has the least order and is the most liquid-like. 
3There are ________ types of smectic liquid-crystalline phases. 
at the melting point of the solidFor a given substance that exhibits liquid-crystalline 
properties, the transition from solid to liquid-crystal state occurs 
only single bondsMolecules with ________ do not generally exhibit liquid-crystalline 
properties because they lack the ...
-
CHM 1046 Already Passed Exam Questions and CORRECT Answers
- Tentamen (uitwerkingen) • 6 pagina's • 2024
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covalent networkA solid has a very high melting point, great hardness, and poor 
electrical conduction. This is a(n) ________ solid. 
supercriticalAll of the following are a type of solid except ________. A) supercriticalB) 
ionicC) molecular 
D) covalent network E) metallic 
a long-range repeating pattern of atoms, molecules, or ionsCrystalline solids differ from 
amorphous solids in that crystalline solids have ___ 
primitive cubicThe unit cell with all sides the same length and all angles ...
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CHM 1046whitten10e_tb_ch12
- Tentamen (uitwerkingen) • 63 pagina's • 2021
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CHM 1046whitten10e_tb_ch12
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Chapter 17 Solubility equilibria
- Study guide • 6 pagina's • 2020
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CHAPTER 17 CHM 1046 PROF GUPTA
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