Attractive forces - Study guides, Class notes & Summaries
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BioChem 210 Module 2 Exam - Portage Learning
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BioChem 210 Module 2 Exam - Portage 
Learning 
1. The pH of a solution of 0.0010 M NaOH is:: 11 (Kw=[H+][OH-] = 
1.0 x 10-14; 
[H+][0.0010] = 1.0 x 10-14 [H+]=1.0 x 10-11; pH=-log[1.0 x 10- 
11]=11) 
2. Water is a unique molecule. Which of the following 
contributes to water's unique place in the chemical world?: 
All of the answers are correct 
3. The bent shape of water is due to ______________.: The 
unshared electron pairs on the oxygen atom 
4. Which diagrams correctly represent ...
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General Chemistry II (CHEM113) ACS Final Exam Solved 100% Correct!!
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The two states that are collectively known as the condensed states are _______. - solid and liquid 
The attractive forces that exist between all molecules and atoms, and are the forces that hold many 
solids and liquids together - intermolecular forces 
Intermolecular forces are only significant at _____. - short distances 
The state of a sample of matter is determined by the magnitude of __________. - the 
intermolecular forces present 
Gases have a ___ density, ___ shape, and ____ volume. Thes...
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED.
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Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED. 
Question 1 
3 / 3 pts 
True or False: Nitrogen is called the superglue of the chemical world. 
FALSE 
Question 2 
3 / 3 pts 
True or False: Large elements, such as strontium, are common in biomolecules. 
FALSE 
Question 3 
3 / 3 pts 
True or False: The time it takes for a compound to flow through a metabolic pathway is 
called the payoff phase. 
FALSE 
Question 4 
3 / 3 pts 
True or False: Proteins, carbohydrates, and fats all get broken down i...
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WGU C165 Integrated Physical Science Questions and Answers Latest Updated 2022
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WGU C165 Integrated Physical Science Questions and Answers Latest Updated 2022 Physics The study of forces, energy, motion 
Chemistry The study of atoms and molecules, their structures, and their interactions to form substances 
Earth science The study of the Earth's structure and composition, and processes that change Earth 
essential attributes of science Studies the natural world Uses testable ideas Relies on data from observations/experiments Presented for evaluation by other scientists Lea...
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Chem 162 Final Exam Correctly Answered Questions| UpToDate | Already Graded A+
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Chemistry definition 
: Study of structure, properties, transformations of matter 
Matter 
: Anything that has mass + takes up space 
Phases: solid, liquid, gas 
Condensed phases = solids + liquids 
Intermolecular Forces (IMF) 
: = Interactions between molecules/atoms/ions 
Solution 
: = Homogenous mixtures of 2+ pure substances 
In a solution, the solute is dispersed uniformly throughout the solvent 
- Solute = compound(s) in lesser amount 
- Solvent = compound in greater amount 
2 | P a g e 
E...
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Chemistry Acellus Semester 2|574 Exam Questions With Completely Correct Answers |Guaranteed Success|61 Pages
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_____ describes the three dimensional highly repeating particles within a solid. - ️️crystal lattice 
 
______ describes a solution in which the amount of solute dissolved in a given amount of solvent in a given amount of solvent is less than the solubility limit - ️️unsaturated 
 
______ describes how light is scattered as it passes through a colloidal suspension - ️️the tyndall effect 
 
______ describes the process by which liquid molecules form gases. - ️️vaporization 
 
____...
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Chem 210, Exam 5 (Final), Patell Questions & Answers(Graded A)
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Chem 210, Exam 5 (Final), Patell Questions & AnWhat is the difference in the properties of a solid, liquid, or gas reflect the strengths of the attractive forces between the molecules that make up each phase? - ANSWERintermolecular forces 
 
What are the examples of intermolecular forces? - ANSWERdispersion, dipole-dipole, hydrogen bonding 
 
Dipole-dipole interactions are attractive forces that act between ______ molecules. - ANSWERpolar 
 
Polar molecules have permanent dipoles. The positive e...
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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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CHM 1046 Certification Exam Questions and CORRECT Answers
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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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BISC 220 MIDTERM 1 USC Questions and Answers
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Valence 
Ans- number of e- in outermost shell, determines number of bonds the atom 
can form 
4 types of bonds 
Ans- covalent, ionic, hydrogen, van der waals 
Hydrogen bonding 
Ans- electrostatic attraction between partially positive hydrogen atom and a 
partially negative, highly electronegative atom 
van der Waals forces 
Ans- weak attractive/repulsive forces resulting from the movement of 
electrons, creating temporary regions of partial pos. and neg. charge 
if difference in EN between to...
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