AP CHEM FINAL EXAM | Complete Updated Answered Solution guide 2025 LATEST UPDATED
What is the energy of a photon (in units of h) that has a wavelength of 300nm? - correct answer
1x10^15 h
An atom of which element forms an ion with a charge of -2? - correct answer Sulfur
Which of the atoms has the largest atomic radius? - correct answer Phosphorus
How many valence electrons are present in this atom? - correct answer one
Which of the elements below has the highest ionization energy? - correct answer Be
What is the electron configuration of an atom that has eight electrons? - correct answer 1s1
2s2 2p2 2p1 2p1
The formula of lithium fluoride and lithium nitride are LiF and Li3N respectively. if the formula
of magnesium fluoride is MgF2, what is the formula for magnesium nitride? - correct answer
Mg3N2
All of the following increase from left to right across the second period of the periodic table
EXCEPT - correct answer number of core electrons
Each species below has a Lewis diagram that illustrates the octet rule EXCEPT - correct answer
nitrogen monoxide, NO
Which species exhibits a bent molecular geometry? - correct answer SO2
The shape of the BF3 molecule is best described as - correct answer trigonal planar
The shape of the IF3 molecule is best described as - correct answer T-shaped
The shape of the SF4 molecule is best described as - correct answer see-saw
beryllium fluoride, BeF2 - correct answer linear
boron trihydride, BH3 - correct answer trigonal planar
bromine triiodide, BrI3 - correct answer T-shaped
water, H2O - correct answer bent
sulfur trioxide, SO3 - correct answer trigonal planar
Which of the following gases contains the fewest number of molecules? - correct answer 14g of
N2
Which of the following gases is NOT diatomic? - correct answer neon
What is the ratio of the average speed of gaseous Ne atoms to gaseous SO3 molecules, if equal
volumes of both gases are measured at the same temperature and pressure? - correct answer 2
to 1
, AP CHEM FINAL EXAM | Complete Updated Answered Solution guide 2025 LATEST UPDATED
The temperature of 36.0 mL of CH4 gas is raised from 27.0 C to 327 C at constant pressure.
What is the final volume of the CH4 gas after heating? - correct answer 72.0mL
A real gas closely approaches the behavior of an ideal gas under conditions of - correct answer
low pressure and high temperatures
A mixture of .40 mole of He gas and .50 mole of N2 gas exerts a total pressure of .90 atm. at 25
C. What is the partial pressure of the He gas? - correct answer .40 atm
An inverse relationship is to Boyle's Law as a direct relationship is to - correct answer Charles's
Law
What is the molar mass of this gas? - correct answer 2.0 x 22.4
The heat experiment below for why C3H8 has a higher boiling point than CH4 is the - correct
answer greater LDF
the highest melting point - correct answer Ge is a solid where the atoms are bonded to each
other much like those of carbon in a diamond
"hydrogen bonding" - correct answer C3H5(OH)3 is an alcohol
Which intermolecular forces are NOT found in liquefied NH3? - correct answer ionic bonds
What is the morality of the Li+ ion in a solution prepared by dissolving 2.20g of Li2SO4 (MM=
110.0 g/mol) in enough H2O to make 50.0 mL of solution? - correct answer .800 M
How many moles of HNO3 must be added to 200.0 mL of H2O to give a solution with a pH=
1.00? - correct answer .020
Which equation represents an oxidation-reduction reaction? - correct answer
2HCl(aq)+NaOCl(aq) -> NaCl(aq)+Cl2(g)+H2)(l)
Which equation represents a precipitation reaction? - correct answer HCl(aq)+AgNO3(aq)-
>AgCl(s)+HNO3(aq)
Which equation represent an acid-base reaction? - correct answer 2HCl(aq)+Mg(OH)(aq)-
>MgCl2(aq)+2H2O(l)
Of the following the most acidic solution is the one with - correct answer [H+]= 1x10^-2 M
What change occurs during the reaction MnO4- -> Mn2+? - correct answer 5 electrons gained
How many hydrogen bonds are shown in the diagram below? - correct answer one
What is the molality of a solution prepared by dissolving 3.00g of urea, CO(NH2)2, (MM= 60.0)
in 200. g of H2O? - correct answer .250
What is the energy of a photon (in units of h) that has a wavelength of 300nm? - correct answer
1x10^15 h
An atom of which element forms an ion with a charge of -2? - correct answer Sulfur
Which of the atoms has the largest atomic radius? - correct answer Phosphorus
How many valence electrons are present in this atom? - correct answer one
Which of the elements below has the highest ionization energy? - correct answer Be
What is the electron configuration of an atom that has eight electrons? - correct answer 1s1
2s2 2p2 2p1 2p1
The formula of lithium fluoride and lithium nitride are LiF and Li3N respectively. if the formula
of magnesium fluoride is MgF2, what is the formula for magnesium nitride? - correct answer
Mg3N2
All of the following increase from left to right across the second period of the periodic table
EXCEPT - correct answer number of core electrons
Each species below has a Lewis diagram that illustrates the octet rule EXCEPT - correct answer
nitrogen monoxide, NO
Which species exhibits a bent molecular geometry? - correct answer SO2
The shape of the BF3 molecule is best described as - correct answer trigonal planar
The shape of the IF3 molecule is best described as - correct answer T-shaped
The shape of the SF4 molecule is best described as - correct answer see-saw
beryllium fluoride, BeF2 - correct answer linear
boron trihydride, BH3 - correct answer trigonal planar
bromine triiodide, BrI3 - correct answer T-shaped
water, H2O - correct answer bent
sulfur trioxide, SO3 - correct answer trigonal planar
Which of the following gases contains the fewest number of molecules? - correct answer 14g of
N2
Which of the following gases is NOT diatomic? - correct answer neon
What is the ratio of the average speed of gaseous Ne atoms to gaseous SO3 molecules, if equal
volumes of both gases are measured at the same temperature and pressure? - correct answer 2
to 1
, AP CHEM FINAL EXAM | Complete Updated Answered Solution guide 2025 LATEST UPDATED
The temperature of 36.0 mL of CH4 gas is raised from 27.0 C to 327 C at constant pressure.
What is the final volume of the CH4 gas after heating? - correct answer 72.0mL
A real gas closely approaches the behavior of an ideal gas under conditions of - correct answer
low pressure and high temperatures
A mixture of .40 mole of He gas and .50 mole of N2 gas exerts a total pressure of .90 atm. at 25
C. What is the partial pressure of the He gas? - correct answer .40 atm
An inverse relationship is to Boyle's Law as a direct relationship is to - correct answer Charles's
Law
What is the molar mass of this gas? - correct answer 2.0 x 22.4
The heat experiment below for why C3H8 has a higher boiling point than CH4 is the - correct
answer greater LDF
the highest melting point - correct answer Ge is a solid where the atoms are bonded to each
other much like those of carbon in a diamond
"hydrogen bonding" - correct answer C3H5(OH)3 is an alcohol
Which intermolecular forces are NOT found in liquefied NH3? - correct answer ionic bonds
What is the morality of the Li+ ion in a solution prepared by dissolving 2.20g of Li2SO4 (MM=
110.0 g/mol) in enough H2O to make 50.0 mL of solution? - correct answer .800 M
How many moles of HNO3 must be added to 200.0 mL of H2O to give a solution with a pH=
1.00? - correct answer .020
Which equation represents an oxidation-reduction reaction? - correct answer
2HCl(aq)+NaOCl(aq) -> NaCl(aq)+Cl2(g)+H2)(l)
Which equation represents a precipitation reaction? - correct answer HCl(aq)+AgNO3(aq)-
>AgCl(s)+HNO3(aq)
Which equation represent an acid-base reaction? - correct answer 2HCl(aq)+Mg(OH)(aq)-
>MgCl2(aq)+2H2O(l)
Of the following the most acidic solution is the one with - correct answer [H+]= 1x10^-2 M
What change occurs during the reaction MnO4- -> Mn2+? - correct answer 5 electrons gained
How many hydrogen bonds are shown in the diagram below? - correct answer one
What is the molality of a solution prepared by dissolving 3.00g of urea, CO(NH2)2, (MM= 60.0)
in 200. g of H2O? - correct answer .250
