London dispersion Study guides, Class notes & Summaries
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CLEP chemistry questions with correct answers
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The attractions between atoms within a molecule of NH3 are best characterized as 
A. hydrogen bonds 
B. ionic bonds 
C. polar covalent bonds 
D. London (dispersion) forces 
E. ion-dipole forces Correct Answer-polar covalent bonds 
 
R(g) + 2T(g) ⇌ 2X(g) + Z(g) 
 
The reaction mixture above is at equilibrium at 298 K. The value of the equilibrium constant for the reaction is 16 at 298K. If R(g) , X(g) and Z(g) each have an equilibrium concentration of 2.0 M, what is the equilibrium concentrati...
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CEM 141-Exam 1 Latest Update Already Graded A
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CEM 141-Exam 1 Latest Update Already 
 
Graded A 
 
Matter is made up of Atoms 
 
The the smallest distinguishable part of an element Atom 
 
Can change overtime according to the evidence available Theories 
 
ALL atoms/molecules attract to one another due to Electrostatic forces 
 
________ lower potential energy of a system Attractions 
 
_____ raise potential energy of a system Repulsions 
 
Stable systems form where The attractive and repulsive forces are EQUAL or the potential 
energy is at...
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CEM 141-Exam 1 Latest Update Already Graded A
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CEM 141-Exam 1 Latest Update Already 
Graded A 
Matter is made up of Atoms 
The the smallest distinguishable part of an element Atom 
Can change overtime according to the evidence available Theories 
ALL atoms/molecules attract to one another due to Electrostatic forces 
________ lower potential energy of a system Attractions 
_____ raise potential energy of a system Repulsions 
Stable systems form where The attractive and repulsive forces are EQUAL or the potential 
energy is at a minimum 
The ...
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CEM 141-Exam 1 Questions With Correct Answers Already Passed!!
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Atoms - Matter is made up of 
Atom - The the smallest distinguishable part of an element 
Theories - Can change overtime according to the evidence available 
Electrostatic forces - ALL atoms/molecules attract to one another due to 
Attractions - ________ lower potential energy of a system 
Repulsions - _____ raise potential energy of a system 
The attractive and repulsive forces are EQUAL or the potential energy is at a minimum - Stable 
systems form where 
The well - The most stable part of a g...
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UNE CHEM 1011 General Chemistry II Midterm Fall 2023 Questions With Complete Solutions
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intermolecular forces correct answer: the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena 
 
kinetic energies correct answer: the energy required to overcome the attractive forces and thus increase the distance between particles 
 
Intramolecular forces correct answer: within the molecule that keep the molecule together 
 
Intermolecular forces correct answer: attractions between molecules, which determine many of the ...
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CLEP CHEMISTRY EXAM 2024 WITH 100% CORRECT ANSWERS
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Which chemical equation represents this reaction: 
 
a Bronsted-Lowry acid-base reaction 
 
A.) 2 KCLO₂(s) → 2 KCLO(s) + 3 O₂(g) 
B.) Zn(s) + Cu² + (aq) → Zn² + (aq) + Cu(s) 
C.) CO³ + (aq) + 6 NH (aq) → [Co(NH³)₆³+](aq) 
D.) H₂O+9aq) + NH₂(aq)→ H₂O(I) + NH₂+(aq) - correct answer 
 
The attractions between atoms within a molecule of NH3 are best characterized as 
A. hydrogen bonds 
B. ionic bonds 
C. polar covalent bonds 
D. London (dispersion) forces 
E. ion-dipole f...
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PORTAGE LEARNING M2: PROBLEM SET BIOCHEMISTRY
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M2: Problem Set 
Due No due date Points 5 Questions 20 Time Limit None 
Attempt History 
Attempt Time Score 
LATEST Attempt 1 1,309 minutes 5 out of 5 
Score for this quiz: 5 out of 5 
Submitted Feb 24 at 4:02pm 
This attempt took 1,309 minutes. 
Question 1 0 / 0 pts 
Your Answer: 
What is the shape of water? 
Bent 
Bent. The bond angle is 104.5 degrees. 
Question 2 0 / 0 pts 
What is autoionization, and how is it important for water? 
PORTAGE LEARNING M2: PROBLEM SET BIOCHEMISTRY 
Your Answer: ...
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CEM 142 MSU Final Exam Questions and Answers Already Passed
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CEM 142 MSU Final Exam Questions and 
 
Answers Already Passed 
 
Does aqueous sugar conduct electricity, why or why not 
No, because there are no ions 
Does aqueous NaCl conduct electricity? 
Yes, because this is an ionic compound (metal/nonmetal) 
What is the only IMF present in non polar molecules 
London Dispersion Forces 
How does electronegativity change in the periodic table 
Electronegativity increases from left to right (with the right being most electronegative), and 
increases from bo...
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ACS Vocabulary and Concepts (Graded A+ Already) 2023-2024.
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intermolecular forces correct answers forces that hold molecules to other molecules (not bonds within molecules) 
 
ion-ion interaction correct answers occurs between ions, with opposite charges attracting and like charges repelling 
 
ion-dipole interaction correct answers occur between ions and polar molecules, where the ion is attracted or repelled to a partial charge in the polar molecules (includes interactions between water and dissolved ions) 
 
dipole-dipole interaction correct answers o...
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CHEM 1035 Final Exam Study Guide
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CHEM 1035 Final Exam Study Guide 
Weakest forces, exist in all substances, only force in non-polar substances, form 
temporary dipoles - Answer<>London or Dispersion forces 
Dispersion forces ____ with increasing molar mass - Answer<>increase 
Stronger than dispersion forces, only present in polar substances, attraction between 
oppositely charges ends of polar molecules - Answer<>Dipole-dipole forces 
Dipole-dipole forces ____ with increasing molar mass - Answer<>incre...
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