CHEM 101 final modules 5-8
Questions and Answers.
Intermolecular forces hold atoms and molecules in place in solid - Answer True
Evaporation is decreased by increasing the intermolecular forces - Answer True
Heat is released when a liquid freezes into a solid - Answer True
Compounds with very high vapor pressures must have Very minimal intermolecular forces -
Answer True
Ion - dipole force is considered the weakest of the types of different intermolecular forces -
Answer False
You can increase the vapor pressure of a liquid by : - Answer Increasing temperature
Which molecule below has hydrogen bonding ? - Answer all of the above -H₂ -CH4 -CH₂CH₂OH
-HCl
The measure of the resistance to the flow of a liquid is called : - Answer Viscosity
Liquids that have high vapor pressure and low boiling points are called : - Answer Volitile
Liquids
Which intermolecular force found in CCl₂H₂ is the strongest ? - Answer Dipole-dipole forces
Evaporation and condensation are opposite processes - Answer True
Hydrogen bonding occurs whenever hydrogen is present - Answer False
The shapes of protein molecules are determined by intermolecular forces - Answer True
Dipole - dipole forces are weaker than dispersion forces . - Answer False
Sublimation is the process of a liquid being converted directly to a gas - Answer False
, Which intermolecular force is present in all molecules and atoms ? - Answer Dispersion forces
Gasegus water vapor can frost the window of a car on a cold morning . This process of a gas
changing directly into a solid is : - Answer Deposition
Which intermolecular forces are found in CC14 ? - Answer Dispersion forces
The reason for many of the Unique properties of water is : - Answer the ability to form
hydrogen bonds .
Which intermolecular force is the strongest - Answer Ion-dipole force
A strong electrolyte Solution contains ionic compounds that completely dissociate in water . -
Answer True
The following equation is balanced . CH4+2O2=CO2+H2O - Answer False
An insoluble compound will completely dissolve in water . - Answer False
When Water is heated bubbles form in the water . Is this evidence of a chemical reaction ?
Why ? - Answer No boiling water is a physical change .
The following reaction is balanced BaCl₂ + H₂SO₂ → 2HCl + BaSO4 - Answer True
When the equation N₂ + H₂ NH3 is balanced the coefficient of hydragen is : - Answer 3
When the equation __NO₂ + H₂O + _O₂ HNO₂ is balanced , the coefficient of HNO3 is : - Answer
4
What type of reaction is the generic equation AB + CD = AD + CB ? - Answer Double-
displacement
What type of reaction is the generic equation A + B=AB ? - Answer Synthesis/combination
A reaction which forms a solid product is an example of a( n ) : - Answer Precipitation reaction
Questions and Answers.
Intermolecular forces hold atoms and molecules in place in solid - Answer True
Evaporation is decreased by increasing the intermolecular forces - Answer True
Heat is released when a liquid freezes into a solid - Answer True
Compounds with very high vapor pressures must have Very minimal intermolecular forces -
Answer True
Ion - dipole force is considered the weakest of the types of different intermolecular forces -
Answer False
You can increase the vapor pressure of a liquid by : - Answer Increasing temperature
Which molecule below has hydrogen bonding ? - Answer all of the above -H₂ -CH4 -CH₂CH₂OH
-HCl
The measure of the resistance to the flow of a liquid is called : - Answer Viscosity
Liquids that have high vapor pressure and low boiling points are called : - Answer Volitile
Liquids
Which intermolecular force found in CCl₂H₂ is the strongest ? - Answer Dipole-dipole forces
Evaporation and condensation are opposite processes - Answer True
Hydrogen bonding occurs whenever hydrogen is present - Answer False
The shapes of protein molecules are determined by intermolecular forces - Answer True
Dipole - dipole forces are weaker than dispersion forces . - Answer False
Sublimation is the process of a liquid being converted directly to a gas - Answer False
, Which intermolecular force is present in all molecules and atoms ? - Answer Dispersion forces
Gasegus water vapor can frost the window of a car on a cold morning . This process of a gas
changing directly into a solid is : - Answer Deposition
Which intermolecular forces are found in CC14 ? - Answer Dispersion forces
The reason for many of the Unique properties of water is : - Answer the ability to form
hydrogen bonds .
Which intermolecular force is the strongest - Answer Ion-dipole force
A strong electrolyte Solution contains ionic compounds that completely dissociate in water . -
Answer True
The following equation is balanced . CH4+2O2=CO2+H2O - Answer False
An insoluble compound will completely dissolve in water . - Answer False
When Water is heated bubbles form in the water . Is this evidence of a chemical reaction ?
Why ? - Answer No boiling water is a physical change .
The following reaction is balanced BaCl₂ + H₂SO₂ → 2HCl + BaSO4 - Answer True
When the equation N₂ + H₂ NH3 is balanced the coefficient of hydragen is : - Answer 3
When the equation __NO₂ + H₂O + _O₂ HNO₂ is balanced , the coefficient of HNO3 is : - Answer
4
What type of reaction is the generic equation AB + CD = AD + CB ? - Answer Double-
displacement
What type of reaction is the generic equation A + B=AB ? - Answer Synthesis/combination
A reaction which forms a solid product is an example of a( n ) : - Answer Precipitation reaction
