CEM 142 Exam 2
[H3O+][-OH]=? - ANS-[1x10^-7][1X10^-7] = 1 x 10^-14
Acid energy ______ down a set - ANS-will increase
acids that absolutely ionize in answer - ANS-strong acid
acids that partially ionize in solution; extra of molecular form than ionized for in solution -
ANS-vulnerable acid
evaluation of an unknown answer using a solution of recognised awareness; commonly
acid/base response but no longer constantly; use answer stoichiometry to find unknown? -
ANS-titration
any group I or II metals with hydroxide (NaOH, KOH, LiOH, BaOH, CaOH) - ANS-sturdy bases
Are all bonds the same strength? - ANS-no
Are the stronger acid and more potent base continually at the same side of the equilibrium
arrows? - ANS-sure!
As bond duration will increase...? - ANS-bond energy decreases
as bond kind increases, bond energies? - ANS-increase
bond breaking _____ energy enter from the environment (commonly by means of collisions with
other atoms) - ANS-calls for
bond formation _______ strength (to the surroundings) - commonly by means of collisions with
other atoms - ANS-releases
bonds broken = ? - ANS-endothermic
bonds formed = ? - ANS-exothermic
rate assigned to an atom in a molecule, assuming that electrons in all chemical bonds are
shared equally between atoms, no matter relativeelectronegativity. - ANS-formal price
chemical properties that change - ANS-emergent homes
, delta H bond electricity equation of a reaction? - ANS-delta H = (sum of energies of bonds
broken)-(sum of energies of bonds fashioned)
dissolves in water to provide -OH (hydroxide) - ANS-Arrhenius acid
dissolves in water to give H+ (a proton) - ANS-Arrhenius acid
electron pair acceptor; have region to simply accept electrons from a bond breaking - ANS-lewis
acid
electron pair donor; have to be had pair of electrons to donate into a bond - ANS-lewis base
electronegativity developments - ANS-boom left to right
decreases as we cross down the periodic table
strength required to interrupt a bond within the fuel section - ANS-bond dissociation strength
equation for finding pH of a solution? - ANS-pH = -log[H3O+]
Equation to calculate [H3O+]? - ANS-[H3O+] = 10 ^-pH
HCl, HBr, HI, HNO3, H2SO4 - ANS-robust acids
how can we take a look at power of an acid in solution? - ANS-conductivity take a look at with
light bulbs
how can you determine acid power if H is bonded to the equal type of atom in extraordinary
molecule? - ANS-draw resonance structures
How do you already know if a molecule or compound will behavior electricity in answer? -
ANS-If there are ions found in answer which might be freely moving (ex: NaCl)
if oxidation numbers alternate at some stage in a response, then..? - ANS-it is a redox response
if oxidation numbers don't trade in the course of a reaction, then...? - ANS-its an acid base
response
if answer is neutral? - ANS-[H3O+]=[-OH] (natural water)
Is a section alternate a chemical reaction? - ANS-No. Same composition, simply breaking IMFs.
Large ions = ? - ANS-can occupy greater positions due to the fact don't attract water molecules
as tightly (entropy)
[H3O+][-OH]=? - ANS-[1x10^-7][1X10^-7] = 1 x 10^-14
Acid energy ______ down a set - ANS-will increase
acids that absolutely ionize in answer - ANS-strong acid
acids that partially ionize in solution; extra of molecular form than ionized for in solution -
ANS-vulnerable acid
evaluation of an unknown answer using a solution of recognised awareness; commonly
acid/base response but no longer constantly; use answer stoichiometry to find unknown? -
ANS-titration
any group I or II metals with hydroxide (NaOH, KOH, LiOH, BaOH, CaOH) - ANS-sturdy bases
Are all bonds the same strength? - ANS-no
Are the stronger acid and more potent base continually at the same side of the equilibrium
arrows? - ANS-sure!
As bond duration will increase...? - ANS-bond energy decreases
as bond kind increases, bond energies? - ANS-increase
bond breaking _____ energy enter from the environment (commonly by means of collisions with
other atoms) - ANS-calls for
bond formation _______ strength (to the surroundings) - commonly by means of collisions with
other atoms - ANS-releases
bonds broken = ? - ANS-endothermic
bonds formed = ? - ANS-exothermic
rate assigned to an atom in a molecule, assuming that electrons in all chemical bonds are
shared equally between atoms, no matter relativeelectronegativity. - ANS-formal price
chemical properties that change - ANS-emergent homes
, delta H bond electricity equation of a reaction? - ANS-delta H = (sum of energies of bonds
broken)-(sum of energies of bonds fashioned)
dissolves in water to provide -OH (hydroxide) - ANS-Arrhenius acid
dissolves in water to give H+ (a proton) - ANS-Arrhenius acid
electron pair acceptor; have region to simply accept electrons from a bond breaking - ANS-lewis
acid
electron pair donor; have to be had pair of electrons to donate into a bond - ANS-lewis base
electronegativity developments - ANS-boom left to right
decreases as we cross down the periodic table
strength required to interrupt a bond within the fuel section - ANS-bond dissociation strength
equation for finding pH of a solution? - ANS-pH = -log[H3O+]
Equation to calculate [H3O+]? - ANS-[H3O+] = 10 ^-pH
HCl, HBr, HI, HNO3, H2SO4 - ANS-robust acids
how can we take a look at power of an acid in solution? - ANS-conductivity take a look at with
light bulbs
how can you determine acid power if H is bonded to the equal type of atom in extraordinary
molecule? - ANS-draw resonance structures
How do you already know if a molecule or compound will behavior electricity in answer? -
ANS-If there are ions found in answer which might be freely moving (ex: NaCl)
if oxidation numbers alternate at some stage in a response, then..? - ANS-it is a redox response
if oxidation numbers don't trade in the course of a reaction, then...? - ANS-its an acid base
response
if answer is neutral? - ANS-[H3O+]=[-OH] (natural water)
Is a section alternate a chemical reaction? - ANS-No. Same composition, simply breaking IMFs.
Large ions = ? - ANS-can occupy greater positions due to the fact don't attract water molecules
as tightly (entropy)
