CHEM 103 EXAM 2 QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
weak bases -ANSWER ✔✔NH3
strong acids -ANSWER ✔✔HCl, HBr, HI, HNO3, HClO4, HClO3, H2SO4
strong bases -ANSWER ✔✔LiOH, NaOH, KOH, RbOH, CsOH, Ca(OH)2,
Sr(OH)2, Ba(OH)2 (soluble metal hydroxides)
ALWAYS SOLUBLE -ANSWER ✔✔NO3-, CH3COO-, NH4+, Group 1A
metal ions
SOLUBLE except with Ag+, Hg2 2+, Pb2+ -ANSWER ✔✔Cl-, Br-, I-
SOLUBLE except with Hg2 2+, Pb2+, Sr2+, Ba2+ -ANSWER ✔✔SO4 2-
INSOLUBLE except with NH4+, Group 1A -ANSWER ✔✔CO3 2-, PO4 3-
INSOLUBLE except with NH4+, Group 1A, Ca+, Sr+, Ba2+ -ANSWER
✔✔OH-, S2-
nonmetal oxide + water--> -ANSWER ✔✔acid
group 1A/2A + water--> -ANSWER ✔✔base
, carbonate + any acid--> -ANSWER ✔✔salt, CO2, water
hydrogen carbonate + acid--> -ANSWER ✔✔salt, CO2, water
sulfide + acid--> -ANSWER ✔✔salt, gas
oxidation -ANSWER ✔✔loss of electrons
reduction -ANSWER ✔✔gain of electrons
activity series -ANSWER ✔✔ease of oxidation increases as you go up, any
metal can be oxidized by ions of elements below it
types of kinetic energy -ANSWER ✔✔mechanical (motion of macroscopic
object), thermal (motion of nanoscale particles), electrical (movement of
electrons through a conductor)
types of potential energy -ANSWER ✔✔gravitational, electrostatic (attraction or
repulsion between two charges), chemical (attraction or repulsion among
electrons and atomic nuclei)
calorie -ANSWER ✔✔cal, 4.184 Joules
Calorie -ANSWER ✔✔Cal, 1000 cal
First Law of Thermodynamics -ANSWER ✔✔energy cannot be created or
destroyed
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT!!!
weak bases -ANSWER ✔✔NH3
strong acids -ANSWER ✔✔HCl, HBr, HI, HNO3, HClO4, HClO3, H2SO4
strong bases -ANSWER ✔✔LiOH, NaOH, KOH, RbOH, CsOH, Ca(OH)2,
Sr(OH)2, Ba(OH)2 (soluble metal hydroxides)
ALWAYS SOLUBLE -ANSWER ✔✔NO3-, CH3COO-, NH4+, Group 1A
metal ions
SOLUBLE except with Ag+, Hg2 2+, Pb2+ -ANSWER ✔✔Cl-, Br-, I-
SOLUBLE except with Hg2 2+, Pb2+, Sr2+, Ba2+ -ANSWER ✔✔SO4 2-
INSOLUBLE except with NH4+, Group 1A -ANSWER ✔✔CO3 2-, PO4 3-
INSOLUBLE except with NH4+, Group 1A, Ca+, Sr+, Ba2+ -ANSWER
✔✔OH-, S2-
nonmetal oxide + water--> -ANSWER ✔✔acid
group 1A/2A + water--> -ANSWER ✔✔base
, carbonate + any acid--> -ANSWER ✔✔salt, CO2, water
hydrogen carbonate + acid--> -ANSWER ✔✔salt, CO2, water
sulfide + acid--> -ANSWER ✔✔salt, gas
oxidation -ANSWER ✔✔loss of electrons
reduction -ANSWER ✔✔gain of electrons
activity series -ANSWER ✔✔ease of oxidation increases as you go up, any
metal can be oxidized by ions of elements below it
types of kinetic energy -ANSWER ✔✔mechanical (motion of macroscopic
object), thermal (motion of nanoscale particles), electrical (movement of
electrons through a conductor)
types of potential energy -ANSWER ✔✔gravitational, electrostatic (attraction or
repulsion between two charges), chemical (attraction or repulsion among
electrons and atomic nuclei)
calorie -ANSWER ✔✔cal, 4.184 Joules
Calorie -ANSWER ✔✔Cal, 1000 cal
First Law of Thermodynamics -ANSWER ✔✔energy cannot be created or
destroyed
