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General Chemistry II (CHEM113) ACS Final Exam Questions and Answers | 100% Pass $12.49   Add to cart

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General Chemistry II (CHEM113) ACS Final Exam Questions and Answers | 100% Pass

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General Chemistry II (CHEM113) ACS Final Exam Questions and Answers | 100% Pass The two states that are collectively known as the condensed states are _______. - ️️ Correct-solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many...

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  • September 25, 2024
  • 34
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ACS Chemistry
  • ACS Chemistry
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EmillyCharlotte
TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024

General Chemistry II (CHEM113) ACS
Final Exam Questions and Answers |
100% Pass
The two states that are collectively known as the condensed states are _______. -

✔️✔️Correct-solid and liquid


The attractive forces that exist between all molecules and atoms, and are the forces that

hold many solids and liquids together - ✔️✔️Correct-intermolecular forces

Intermolecular forces are only significant at _____. - ✔️✔️Correct-short distances

The state of a sample of matter is determined by the magnitude of __________. -

✔️✔️Correct-the intermolecular forces present

Gases have a ___ density, ___ shape, and ____ volume. These qualities are due to

____ intermolecular forces. - ✔️✔️Correct-low, indefinite, indefinite.

weak

Liquids have a ___ density, ___ shape, and ___ volume. These qualities are due to ___

intermolecular forces. - ✔️✔️Correct-high, indefinite, definite

moderate

Solids have a ___ density, ___ shape, and ___ volume. These qualities are due to ___

intermolecular forces. - ✔️✔️Correct-hihgh, definite, definite

strong

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,TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024
Solids can be ___ or ___. - ✔️✔️Correct-Crystalline or amorphous

Amorphous solids are composed of atoms or molecules that exhibit ___. - ✔️✔️Correct-

no long range order

Crystalline solids are composed of atoms or molecules that exhibit ___. - ✔️✔️Correct-

definite order in a three dimensional array

What two things can be changed in order to transform one state of matter to another? -

✔️✔️Correct-Temperature and pressure

In general, increases in pressure favor the ___ state. - ✔️✔️Correct-Denser

Intermolecular forces originate from - ✔️✔️Correct-the interactions between charges,

partial charges, and temporary charges on molecules (or atoms and ions)

_____ Law states that the potential energy (E) of two oppositely charged particles with

charges q₁ and q₂ decreases (becomes more negative) with increasing magnitude of

charge and decreasing distance between the two particles - ✔️✔️Correct-Coulomb's

Equation of Coulomb's Law is - ✔️✔️Correct-E = (1/4 πε)(q₁q₂/r)

Why are intermolecular forces much weaker than bonding forces? - ✔️✔️Correct-Bonding

forces are result of largue charges on protons and electrons interacting at very close

distances, and intermolecular forces are the result of smaller charges interacting at

greater distances

What are the four main types on intermolecular forces? - ✔️✔️Correct-Dispersion, dipole-

dipole, H+ bonding, and ion-dipole

2/34

,TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024
Dispersion forces are the result of ___. - ✔️✔️Correct-fluctuations in the electron

distribution within molecules or atoms which induces a temporary (or instantaneous)

dipole

Dispersion forces are exhibited by ___ and increase with ___. - ✔️✔️Correct-

atoms/molecules

increasing mass

The magnitude of dispersion forces depends on how easily the electrons can ___. -

✔️✔️Correct-move or polarize in response to an instantaneous dipole

A larger atom exhibits greater dispersion forces because - ✔️✔️Correct-the electrons are

held less tightly by the nucleus and therefore polarize more easily

Dispersion forces are directly related to not only mass but ___. This is due to the

molecules ability to ___. - ✔️✔️Correct-shape



stack efficiently

Dipole-dipole forces exist in all ___. - ✔️✔️Correct-Polar molecules

Dipole-dipole forces are due to the effects of a molecule's ___, which is due to ___. -

✔️✔️Correct-permanent dipole

a molecule's partially positive and partial negative ends

Polarity of molecules determines their miscibility of liquids. What is miscibility? -

✔️✔️Correct-the ability to mix wihtout separating into two states


3/34

, TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD
OWNER: EMILLYCHARLOTTE
COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISHED: SEPTEMBER 2024
In general polar liquids are miscible with ____, but are not miscible with ____. -

✔️✔️Correct-polar

nonpolar

Hydrogen bonding exists in all ___. - ✔️✔️Correct-molecules containing a hydrogen atom

directly bonded to a nitrogen, oxygen, or flourine

Hydrogen bonding is due to - ✔️✔️Correct-the large electronegativity differences between

the H+ and -F, -O, -N

A typical hydrogen "bond", despite it being the strongest intermolecular force, is only

about ____ as strong as a covalent chemical bond. - ✔️✔️Correct-2-5%

Ion-dipole forces occur when - ✔️✔️Correct-an ionic compound is mixed with a polar

compound

Ion-dipole are even stronger than ___ and are responsible for ___. - ✔️✔️Correct-H+

bonding

ability of ionic substances to form solutions with water

What are the three important manifestations in liquids that are due to intermolecular

forces? - ✔️✔️Correct-Surface tension

Viscosity

Capillary action

Surface tension is - ✔️✔️Correct-the tendency for liquids to minimize their surface area




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