04_Clickers.pptx

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Clicker Questions
Chapter 4
Barbara Mowery
York College
© 2015 Pearson Education, Inc.
A homogeneous mixture of two
or more components is
referred to as
a.
b.
c.
d.
a solute.
a solution.
an electrolyte.
a mess.
© 2015 Pearson Education, Inc.
A homogeneous mixture of two
or more components is
referred to as
a.
b.
c.
d.
a solute.
a solution.
an electrolyte.
a mess.
© 2015 Pearson Education, Inc.
The solvent in a sample of
soda pop is
a.
b.
c.
d.
sugar.
carbon dioxide.
water.
air.
© 2015 Pearson Education, Inc.
The solvent in a sample of
soda pop is
a.
b.
c.
d.
sugar.
carbon dioxide.
water.
air.
© 2015 Pearson Education, Inc.
The gaseous solute in a
sample of soda pop is
a.
b.
c.
d.
sugar.
carbon dioxide.
water.
air.
© 2015 Pearson Education, Inc.
The gaseous solute in a
sample of soda pop is
a.
b.
c.
d.
sugar.
carbon dioxide.
water.
air.
© 2015 Pearson Education, Inc.
Gatorade® and other sports
drinks conduct electricity
because they contain
a.
b.
c.
d.
water.
sugar.
air.
electrolytes.
© 2015 Pearson Education, Inc.
Gatorade® and other sports
drinks conduct electricity
because they contain
a.
b.
c.
d.
water.
sugar.
air.
electrolytes.
© 2015 Pearson Education, Inc.
When Fe(NO3)2 dissolves
in water, the particles in
solution are
a.
b.
c.
d.
Fe+ and (NO3)2–.
Fe2+ and 2 NO3–.
Fe and 2 NO3.
Fe and N2 and 3 O2.
© 2015 Pearson Education, Inc.
When Fe(NO3)2 dissolves
in water, the particles in
solution are
a.
b.
c.
d.
Fe+ and (NO3)2–.
Fe2+ and 2 NO3–.
Fe and 2 NO3.
Fe and N2 and 3 O2.
© 2015 Pearson Education, Inc.
Which set includes only
substances that produce
electrolytes in water?
a.
b.
c.
d.
NaBr, KCl, MgSO4
C6H12O6, CH3OH, C6H6
HCl, NH3, Cl2, N2
SiO2, CaCO3, H2SO4
© 2015 Pearson Education, Inc.
Which set includes only
substances that produce
electrolytes in water?
a.
b.
c.
d.
NaBr, KCl, MgSO4
C6H12O6, CH3OH, C6H6
HCl, NH3, Cl2, N2
SiO2, CaCO3, H2SO4
© 2015 Pearson Education, Inc.
Which compound below is not
soluble in water?
a.
b.
c.
d.
NaBr
KNO3
MgSO4
ZnS
© 2015 Pearson Education, Inc.
Which compound below is not
soluble in water?
a.
b.
c.
d.
NaBr
KNO3
MgSO4
ZnS
© 2015 Pearson Education, Inc.
Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3
The physical evidence that the
above reaction occurs is
a.
b.
c.
d.
an explosion.
the formation of a gas.
that the solution boils.
the formation of a precipitate.
© 2015 Pearson Education, Inc.
Pb(NO3)2 + 2 KI  PbI2 + 2 KNO3
The physical evidence that the
above reaction occurs is
a.
b.
c.
d.
an explosion.
the formation of a gas.
that the solution boils.
the formation of a precipitate.
© 2015 Pearson Education, Inc.
Which pair of compounds will
produce a precipitate if solutions
of appropriate concentrations
are mixed together?
a.
b.
c.
d.
H2SO4 and NaOH
HNO3 and CaCl2
Ba(NO3)2 and Na3PO4
LiCl and SrI2
© 2015 Pearson Education, Inc.
Which pair of compounds will
produce a precipitate if solutions
of appropriate concentrations
are mixed together?
a.
b.
c.
d.
H2SO4 and NaOH
HNO3 and CaCl2
Ba(NO3)2 and Na3PO4
LiCl and SrI2
© 2015 Pearson Education, Inc.
When an acid reacts with a
base, the result is
a.
b.
c.
d.
cancellation.
elimination.
neutralization.
adduct formation.
© 2015 Pearson Education, Inc.
When an acid reacts with a
base, the result is
a.
b.
c.
d.
cancellation.
elimination.
neutralization.
adduct formation.
© 2015 Pearson Education, Inc.
When nitric acid is neutralized
by potassium hydroxide, the
spectator ions are
a.
b.
c.
d.
K+ and NO3–.
H+ and OH–.
H+ and NO3–.
K+ and OH–.
© 2015 Pearson Education, Inc.
When nitric acid is neutralized
by potassium hydroxide, the
spectator ions are
a.
b.
c.
d.
K+ and NO3–.
H+ and OH–.
H+ and NO3–.
K+ and OH–.
© 2015 Pearson Education, Inc.
Which compound below is not
a strong acid?
a.
b.
c.
d.
HC2H3O2
H2SO4
HNO3
HBr
© 2015 Pearson Education, Inc.
Which compound below is not
a strong acid?
a.
b.
c.
d.
HC2H3O2
H2SO4
HNO3
HBr
© 2015 Pearson Education, Inc.
When an atom undergoes
oxidation, it ______ electrons.
a.
b.
c.
d.
gains
loses
retains
balances
© 2015 Pearson Education, Inc.
When an atom undergoes
oxidation, it ______ electrons.
a.
b.
c.
d.
gains
loses
retains
balances
© 2015 Pearson Education, Inc.
When an atom undergoes
reduction, it ______ electrons.
a.
b.
c.
d.
gains
loses
retains
balances
© 2015 Pearson Education, Inc.
When an atom undergoes
reduction, it ______ electrons.
a.
b.
c.
d.
gains
loses
retains
balances
© 2015 Pearson Education, Inc.
When Zn(s) reacts with
HCl(aq) to produce H2(g) and
ZnCl2(aq), the zinc is _____
because it _____ electrons.
a.
b.
c.
d.
reduced; gains
reduced; loses
oxidized; gains
oxidized; loses
© 2015 Pearson Education, Inc.
When Zn(s) reacts with
HCl(aq) to produce H2(g) and
ZnCl2(aq), the zinc is _____
because it _____ electrons.
a.
b.
c.
d.
reduced; gains
reduced; loses
oxidized; gains
oxidized; loses
© 2015 Pearson Education, Inc.
Al + H+  Al3+ + H2
When the oxidation–reduction
reaction above is correctly
balanced, the coefficients are
a.
b.
c.
d.
1, 2  1, 1.
1, 3  1, 2.
2, 3  2, 3.
2, 6  2, 3.
© 2015 Pearson Education, Inc.
Al + H+  Al3+ + H2
When the oxidation–reduction
reaction above is correctly
balanced, the coefficients are
a.
b.
c.
d.
1, 2  1, 1.
1, 3  1, 2.
2, 3  2, 3.
2, 6  2, 3.
© 2015 Pearson Education, Inc.
In the list shown, the metal
that is most easily oxidized
is ___.
a.
b.
c.
d.
Li
Ca
Fe
Cu
© 2015 Pearson Education, Inc.
In the list shown, the metal
that is most easily oxidized
is ___.
a.
b.
c.
d.
Li
Ca
Fe
Cu
© 2015 Pearson Education, Inc.
A solution is prepared by
dissolving 35.0 g of NaCl in
water to make 500 mL of
solution. What is the molarity?
a.
b.
c.
d.
7.00 M
3.04 M
1.97 M
1.20 M
© 2015 Pearson Education, Inc.
A solution is prepared by
dissolving 35.0 g of NaCl in
water to make 500 mL of
solution. What is the molarity?
a.
b.
c.
d.
7.00 M
3.04 M
1.97 M
1.20 M
© 2015 Pearson Education, Inc.
250.0 mL of 0.100 M AgNO3
solution contains _____ g of
silver nitrate.
a.
b.
c.
d.
4.25
8.50
17.0
34.0
© 2015 Pearson Education, Inc.
250.0 mL of 0.100 M AgNO3
solution contains _____ g of
silver nitrate.
a.
b.
c.
d.
4.25
8.50
17.0
34.0
© 2015 Pearson Education, Inc.
To make 250.0 mL of 0.500 M
KI solution, _____ mL of
6.00 M KI must be used.
a.
b.
c.
d.
20.8
41.7
500.0
3000.0
© 2015 Pearson Education, Inc.
To make 250.0 mL of 0.500 M
KI solution, _____ mL of
6.00 M KI must be used.
a.
b.
c.
d.
20.8
41.7
500.0
3000.0
© 2015 Pearson Education, Inc.
HCl + KOH  KCl + H2O
25.00 mL of HCl was titrated
using 18.50 mL of 0.1554 M
NaOH. The concentration of
HCl is
a.
b.
c.
d.
0.0777 M.
0.1150 M.
0.2100 M.
0.2875 M.
© 2015 Pearson Education, Inc.
HCl + KOH  KCl + H2O
25.00 mL of HCl was titrated
using 18.50 mL of 0.1554 M
NaOH. The concentration of
HCl is
a.
b.
c.
d.
0.0777 M.
0.1150 M.
0.2100 M.
0.2875 M.
© 2015 Pearson Education, Inc.
HX + NaOH  NaX + H2O
229 mg of HX was titrated
using 29.33 mL of 0.0965 M
NaOH. What is element X?
a.
b.
c.
d.
F
Cl
Br
I
© 2015 Pearson Education, Inc.
HX + NaOH  NaX + H2O
229 mg of HX was titrated
using 29.33 mL of 0.0965 M
NaOH. What is element X?
a.
b.
c.
d.
F
Cl
Br
I
© 2015 Pearson Education, Inc.