Chem Lab - Data Sheet

Tài liệu học tập môn Chemistry Laboratory (CH012IU) tại Trường Đại học Quốc tế, Đại học Quốc gia Thành phố Hồ Chí Minh. Tài liệu gồm 17 trang giúp bạn ôn tập hiệu quả và đạt điểm cao! Mời bạn đọc đón xem! 

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Môn: Chemistry Laboratory (CH012IU)

Trường: Trường Đại học Quốc tế, Đại học Quốc gia Thành phố Hồ Chí Minh

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Profile Như Hoa
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 1
GENERAL CHEMISTRY LABORATORY
DATA SHEET
EXPERIMENT 1: CHEMICAL REACTIONS
Group: ______________ Section: _____1________Date: ______________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
Instructor’s/TA’s signature and comments:
Expt. 1
Expt. 6
Expt. 2
Expt. 7
Expt. 3
Expt. 8
Expt. 4
Expt. 9
Expt. 5
Approval
1. Reactions of Cu
2+
Reaction
Observation
0.5M CuSO
4
+ 2M NaOH
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 2
GENERAL CHEMISTRY LABORATORY
0.5M CuSO
4
+ 2M NH
4
OH
2. Reactions of silver halides
Reaction
Observation
0.5M KCl
+ 0.1M AgNO
3
0.5M KCl
+ 0.1M AgNO
3
+ 2M NH
4
OH
0.5M KBr
+ 0.1M AgNO
3
0.5M KBr
+ 0.1M AgNO
3
+ 2M NH
4
OH
0.5M KI
+ 0.1M AgNO
3
0.5M KI
+ 0.1M AgNO3
+ 2M NH
4
OH
3. Reactions of H
2
O
2
Reaction
Observation
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 3
GENERAL CHEMISTRY LABORATORY
0.1M KMnO
4
+ 2M H
2
SO
4
+ H
2
O
2
0.1M KI
+ 2M H
2
SO
4
+ H
2
O
2
H2O2
+ MnO
2
4. Reactions of Nitrate
Reaction
Observation
1M NaNO
3
+ FeSO
4
+ concentrated
H
2
SO
4
1M NaNO
2
+ FeSO
4
+ concentrated
H
2
SO
4
1M NaNO
3
+ FeSO
4
+ concentrated
CH
3
COOH
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 4
GENERAL CHEMISTRY LABORATORY
5. Reactions of KMnO
4
Reaction
Observation
0.5M Na
2
SO
3
+ 2M H
2
SO
4
+ 0.1M KMnO
4
0.5M Na
2
SO
3
+ 6N NaOH
+ 0.1M KMnO
4
0.5M Na
2
SO
3
+
H
2
O
+ 0.1M KMnO
4
6. Reaction of Potassium Dichromate (K
2
Cr
2
O
7
)
Reaction
Observation
2M K
2
Cr
2
O
7
+ 6M H
2
SO
4
+ C
2
H
5
OH
7. A. Reactions of Fe
3+
Reaction
Observation
0.5M FeCl
3
+ 2M KOH
0.5M FeCl
3
+
2M NH
4
OH
7. B. Reactions of Fe
2+
Reaction
Observation
0.5M FeSO
4
+ 2M KOH
0.5M FeSO
4
+ 2M NH
4
OH
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 5
GENERAL CHEMISTRY LABORATORY
8. Reactions of Al
3+
Reaction
Observation
0.5M Al
2
(SO
4
)
3
+ 2M NaOH
0.5M Al
2
(SO
4
)
3
+ 2N NaOH
+ 2M HCl
0.5M Al
2
(SO
4
)
3
+ 2M NaOH
+ 2M NaOH
9. Flame test
Dominant flame color
DATA SHEET
EXPERIMENT 2: pH AND BUFFERS
Group: ______________ Section: _____2________Date: ______________
Group members: _______________________________
_______________________________
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 6
GENERAL CHEMISTRY LABORATORY
_______________________________
_______________________________
Instructor’s/TA’s signature and comments:
Expt. 1
Expt. 4
Expt. 2
Expt. 5
Expt. 3
Approval
1. pH OF DEIONIZED WATER
Time (second)
Observed pH
1
st
(your group)
(Group___)
2
nd
(other group in the class)
(Group___)
0
20
40
60
80
100
120
140
160
2. pH OF STRONG ACID
Solution
Theoretical pH
Measured pH
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 7
GENERAL CHEMISTRY LABORATORY
1st
(Group___)
2nd
(Group____)
10 mL of 0.1M HCl
Add 90 mL of distilled
water
Add 10 mL of
0.1M NaOH
Add 90 mL of
0.01M NaOH
3. pH OF WEAK ACID
Solution
Measured pH
Averaged K
a
1st
(Group___)
2nd
(Group____)
0.1M acetic acid
0.01M acetic acid
0.001M acetic acid
4. pH OF SALTS
Solution
Predicted pH
Measured pH
1st
(Group____)
2nd
(Group____)
0.1M NaCl
0.1M CH
3
COONa
0.1M NH
4
Cl
5. pH OF BUFFERS
Buffer
Volume (mL)
0.1M
CH
3
COOH
Volume (mL)
0.1M
CH
3
COONa
Acid
Base
Calculated
pH
Measured pH
1st
(Group__)
2nd
(Group__)
A
10.0
40.0
B
40.0
10.0
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 8
GENERAL CHEMISTRY LABORATORY
C
25.0
25.0
Part I: Addition of 10 drops 0.1 M HCl
Buffer
pH from the start, pH
o
pH after adding 10
drops HCl
Total volume HCl (drops) to change
pH by one unit (pH
o
-1)
A
B
C
Part II: Addition of 10 drops 0.1 M NaOH
Buffer
pH from the start, pH
o
pH after adding 10
drops NaOH
Total volume NaOH (drops) to
change pH by one unit (pH
o
+1)
A
B
C
DATA SHEET
EXPERIMENT 3: REDOX TITRATION
Group: _____________ Section: _____3_________ Date: ____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 9
GENERAL CHEMISTRY LABORATORY
Instructor’s/TA’s signature and comments:
Expt. 1
Expt. 3
Expt. 2
Expt. 4
Approval
1. TITRATION OF KMnO
4
SOLUTION WITH STANDARD H
2
C
2
O
4
SOLUTION
Trial #
Burette reading (mL)
Volume of KMnO
4
(mL)
Normality of KMnO
4
(N)
1
-
2
-
Average Normality of KMnO
4
= ____________ (N)
2. TITRATION OF UNKNOWN CONCENTRATION H
2
C
2
O
4
SOLUTION WITH STANDARD
KMnO
4
SOLUTION
Trial #
Burette reading (mL)
Volume of KMnO
4
(mL)
Normality of H
2
C
2
O
4
(N)
1
-
2
-
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 10
GENERAL CHEMISTRY LABORATORY
Average Normality of H
2
C
2
O
4
=_______ (N)
3. TITRATION OF UNKNOWN CONCENTRATION FeSO
4
SOLUTION WITH STANDARD
KMnO
4
SOLUTION
Trial #
Burette reading(mL)
Volume of KMnO
4
(mL)
Normality of FeSO
4
(N)
1
-
2
-
Average Normality of FeSO
4
=_______ (N)
DATA SHEET
EXPERIMENT 4: CHEMICAL EQUILIBRIUM
Group: _____________ Section: ______4________ Date: ____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 11
GENERAL CHEMISTRY LABORATORY
Instructor’s/TA’s signature and comments:
Expt. 1
Expt. 4
Expt. 2
Expt. 5
Expt. 3
Approval
1. ACID/BASE EQUILIBRIA
Equilibrium System: 2CrO
4
2
(aq)
+ 2H
+
(aq)
⇌ Cr
2
O
7
2
(aq)
+ H
2
O
(l)
Description of
conditions
Predicted outcome
Observation
Initial solution
+ Conc. HCl
+ 6 N NaOH
2. EQUILIBRIA OF ACID/BASE INDICATORS
Equilibrium System: H(MV)
(aq)
+ H
2
O
(l)
⇌ H
3
O
+
(aq)
+ MV
(aq)
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 12
GENERAL CHEMISTRY LABORATORY
Addition
Predicted outcome
Observation
None (control)
6 M HCl
6 M NaOH
6 M HCl
3. COMPLEX ION FORMATION
Equilibrium System: Fe
3+
(aq)
+ SCN
(aq)
⇌ [Fe(SCN)]
2+
(aq)
Addition
Predicted outcome
Observation
None
(control)
0.01M FeCl
3
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 13
GENERAL CHEMISTRY LABORATORY
0.01 M KSCN
6M NaOH
Cold
Hot
0.1M AgNO
3
4. EQUILIBRIA OF PRECIPITATION REACTIONS
Equilibrium System: Ca
2+
(aq)
+ C
2
O
4
2
(aq)
⇌ CaC
2
O
4(s)
Addition
Predicted outcome
Observation
Test tube 1:
0.1 M Na
2
C
2
O
4
Test tube 2:
+ 0.1 M
H2C2O4
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 14
GENERAL CHEMISTRY LABORATORY
Test tube 2:
+ 6 M HCl
Test tube 2:
+ 6 M NH
4
OH
5. TEMPERATURE EFFECTS ON EQUILIBRIA
Equilibrium System: Co(H
2
O)6
2+
(aq)
+ 4Cl
(aq)
⇌ CoCl
4
2
(aq)
+ 6H
2
O
(l)
Description of
conditions
Predicted outcome
Observation
Nothing
changed
(control)
Hot water bath
Ice-water bath
DATA SHEET
EXPERIMENT 5: FACTORS AFFECTING
REACTION RATE
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 15
GENERAL CHEMISTRY LABORATORY
Group: _____________ Section: _____5_________ Date: _____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
Instructor’s/TA’s signature and comments:
Expt. 1
Expt. 3
Expt. 2
Approval
1. EFFECT OF CONCENTRATION ON REACTION TIME
Reaction 1:
__________________________________________________
Reaction 2:
__________________________________________________
Calculate the initial concentrations of I
-
and S
2
O
8
2-
ions:
Mixture # 5:
[I
-
] =
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 16
GENERAL CHEMISTRY LABORATORY
[S2O82-] =
Mixture
Iodide ion
Peroxydisulfate
Time in seconds
1
2
3
4
5
6
Mixture
Iodide ion
Peroxydisulfate
Time in seconds
7
8
9
10
11
2. EFFECT OF TEMPERATURE ON THE REACTION RATE
Reaction System:
Description of
conditions
Predicted outcome
Observation
Reaction time
Room
temperature
lOMoARcPSD|364906 32
International University, Vietnam National University - HCMC 17
GENERAL CHEMISTRY LABORATORY
50
0
C
90
0
C
3. EFFECT OF A CATALYST ON THE REACTION RATE (30 pts)
Reaction System:
Trial
Description of
conditions
Predicted outcome
Observation (Reaction rate)
1
+ MnCl
2
2
+ MnO
2
3
+ NaCl
4
+ CaCl
2
5
+ Zn
6
+ KNO
3
7
+ Fe(NO
3
)
3
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lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 1
GENERAL CHEMISTRY LABORATORY DATA SHEET
EXPERIMENT 1: CHEMICAL REACTIONS
Group: ______________ Section: _____1________Date: ______________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
Instructor’s/TA’s signature and comments: Expt. 1 Expt. 6 Expt. 2 Expt. 7 Expt. 3 Expt. 8 Expt. 4 Expt. 9 Expt. 5 Approval 1. Reactions of Cu2+ Reaction Observation 0.5M CuSO4 + 2M NaOH lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 2
GENERAL CHEMISTRY LABORATORY 0.5M CuSO4 + 2M NH4OH
2. Reactions of silver halides Reaction Observation 0.5M KCl + 0.1M AgNO3 0.5M KCl + 0.1M AgNO3 + 2M NH4OH 0.5M KBr + 0.1M AgNO3 0.5M KBr + 0.1M AgNO3 + 2M NH4OH 0.5M KI + 0.1M AgNO3 0.5M KI + 0.1M AgNO3 + 2M NH4OH 3. Reactions of H2O2 Reaction Observation lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 3
GENERAL CHEMISTRY LABORATORY 0.1M KMnO4 + 2M H2SO4 + H2O2 0.1M KI + 2M H2SO4 + H2O2 H2O2 + MnO2
4. Reactions of Nitrate Reaction Observation 1M NaNO3 + FeSO4 + concentrated H2SO4 1M NaNO2 + FeSO4 + concentrated H2SO4 1M NaNO3 + FeSO4 + concentrated CH3COOH lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 4
GENERAL CHEMISTRY LABORATORY 5. Reactions of KMnO4 Reaction Observation 0.5M Na2SO3 + 2M H2SO4 + 0.1M KMnO4 0.5M Na2SO3 + 6N NaOH + 0.1M KMnO4 0.5M Na2SO3 + H2O + 0.1M KMnO4
6. Reaction of Potassium Dichromate (K2Cr2O7) Reaction Observation 2M K2Cr2O7 + 6M H2SO4 + C2H5OH
7. A. Reactions of Fe3+ Reaction Observation 0.5M FeCl3 + 2M KOH 0.5M FeCl3 + 2M NH4OH
7. B. Reactions of Fe2+ Reaction Observation 0.5M FeSO4 + 2M KOH 0.5M FeSO4 + 2M NH4OH lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 5
GENERAL CHEMISTRY LABORATORY 8. Reactions of Al3+ Reaction Observation 0.5M Al2(SO4)3 + 2M NaOH 0.5M Al2(SO4)3 + 2N NaOH + 2M HCl 0.5M Al2(SO4)3 + 2M NaOH + 2M NaOH 9. Flame test Solution Dominant flame color LiCl NaCl KCl CaCl2 BaCl2 DATA SHEET
EXPERIMENT 2: pH AND BUFFERS
Group: ______________ Section: _____2________Date: ______________
Group members: _______________________________
_______________________________ lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 6
GENERAL CHEMISTRY LABORATORY
_______________________________
_______________________________
Instructor’s/TA’s signature and comments: Expt. 1 Expt. 4 Expt. 2 Expt. 5 Expt. 3 Approval
1. pH OF DEIONIZED WATER Observed pH Time (second)
1st (your group)
2nd (other group in the class) (Group___) (Group___) 0 20 40 60 80 100 120 140 160 2. pH OF STRONG ACID Solution Theoretical pH Measured pH lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 7
GENERAL CHEMISTRY LABORATORY 1st 2nd (Group___) (Group____) 10 mL of 0.1M HCl Add 90 mL of distilled water Add 10 mL of 0.1M NaOH Add 90 mL of 0.01M NaOH 3. pH OF WEAK ACID Measured pH Solution Averaged Ka 1st 2nd (Group___) (Group____) 0.1M acetic acid 0.01M acetic acid 0.001M acetic acid 4. pH OF SALTS Measured pH Solution Predicted pH 1st 2nd (Group____) (Group____) 0.1M NaCl 0.1M CH3COONa 0.1M NH4Cl 5. pH OF BUFFERS Volume (mL) Volume (mL) Measured pH Calculated Buffer 0.1M 0.1M Acid Base pH CH 1st 2nd 3COOH CH3COONa (Group__) (Group__) A 10.0 40.0 B 40.0 10.0 lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 8
GENERAL CHEMISTRY LABORATORY C 25.0 25.0
Part I: Addition of 10 drops 0.1 M HCl pH after adding 10
Total volume HCl (drops) to change Buffer
pH from the start, pHo drops HCl
pH by one unit (pHo-1) A B C
Part II: Addition of 10 drops 0.1 M NaOH pH after adding 10
Total volume NaOH (drops) to Buffer
pH from the start, pHo drops NaOH
change pH by one unit (pHo+1) A B C DATA SHEET
EXPERIMENT 3: REDOX TITRATION
Group: _____________ Section: _____3_________ Date: ____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________ lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 9
GENERAL CHEMISTRY LABORATORY
Instructor’s/TA’s signature and comments: Expt. 1 Expt. 3 Expt. 2 Expt. 4 Approval
1. TITRATION OF KMnO4 SOLUTION WITH STANDARD H2C2O4 SOLUTION
Trial # Burette reading (mL) Volume of KMnO4 (mL) Normality of KMnO4 (N) 1 - 2 -
Average Normality of KMnO4 = ____________ (N)
2. TITRATION OF UNKNOWN CONCENTRATION H2C2O4 SOLUTION WITH STANDARD KMnO4 SOLUTION Trial #
Burette reading (mL) Volume of KMnO4 (mL)
Normality of H2C2O4 (N) 1 - 2 - lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 10
GENERAL CHEMISTRY LABORATORY
Average Normality of H2C2O4 =_______ (N)
3. TITRATION OF UNKNOWN CONCENTRATION FeSO4 SOLUTION WITH STANDARD KMnO4 SOLUTION Trial # Burette reading(mL) Volume of KMnO4 (mL) Normality of FeSO4(N) 1 - 2 -
Average Normality of FeSO4 =_______ (N) DATA SHEET
EXPERIMENT 4: CHEMICAL EQUILIBRIUM
Group: _____________ Section: ______4________ Date: ____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________ lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 11
GENERAL CHEMISTRY LABORATORY
Instructor’s/TA’s signature and comments: Expt. 1 Expt. 4 Expt. 2 Expt. 5 Expt. 3 Approval
1. ACID/BASE EQUILIBRIA
Equilibrium System: 2CrO 2 2 4
(aq) + 2H+(aq) ⇌ Cr2O7 (aq) + H2O(l) Description of Predicted outcome Observation conditions Initial solution + Conc. HCl + 6 N NaOH
2. EQUILIBRIA OF ACID/BASE INDICATORS
Equilibrium System: H(MV)(aq) + H2O(l) ⇌ H3O+(aq) + MV (aq) lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 12
GENERAL CHEMISTRY LABORATORY Addition Predicted outcome Observation None (control) 6 M HCl 6 M NaOH 6 M HCl
3. COMPLEX ION FORMATION
Equilibrium System: Fe3+ (aq) + SCN (aq) ⇌ [Fe(SCN)]2+(aq) Addition Predicted outcome Observation None (control) 0.01M FeCl3 lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 13
GENERAL CHEMISTRY LABORATORY 0.01 M KSCN 6M NaOH Cold Hot 0.1M AgNO3
4. EQUILIBRIA OF PRECIPITATION REACTIONS
Equilibrium System: Ca2+ 2 (aq) + C2O4
(aq) ⇌ CaC2O4(s) Addition Predicted outcome Observation Test tube 1: 0.1 M Na2C2O4 Test tube 2: + 0.1 M H2C2O4 lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 14
GENERAL CHEMISTRY LABORATORY Test tube 2: + 6 M HCl Test tube 2: + 6 M NH4OH
5. TEMPERATURE EFFECTS ON EQUILIBRIA
Equilibrium System: Co(H 2 2O)6
2+(aq) + 4Cl (aq) ⇌ CoCl4 (aq) + 6H2O(l) Description of Predicted outcome Observation conditions Nothing changed (control) Hot water bath Ice-water bath DATA SHEET
EXPERIMENT 5: FACTORS AFFECTING REACTION RATE lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 15
GENERAL CHEMISTRY LABORATORY
Group: _____________ Section: _____5_________ Date: _____________
Group members: _______________________________
_______________________________
_______________________________
_______________________________
Instructor’s/TA’s signature and comments: Expt. 1 Expt. 3 Expt. 2 Approval
1. EFFECT OF CONCENTRATION ON REACTION TIME Reaction 1:
__________________________________________________ Reaction 2:
__________________________________________________
Calculate the initial concentrations of I- and S 2- 2O8 ions: Mixture # 5: [I-] = lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 16
GENERAL CHEMISTRY LABORATORY [S2O82-] = Mixture Iodide ion Peroxydisulfate Time in seconds 1 2 3 4 5 6 Mixture Iodide ion Peroxydisulfate Time in seconds 7 8 9 10 11
2. EFFECT OF TEMPERATURE ON THE REACTION RATE Reaction System: Description of Predicted outcome Observation Reaction time conditions Room temperature lOMoARcPSD|364 906 32
International University, Vietnam National University - HCMC 17
GENERAL CHEMISTRY LABORATORY 500C 900C
3. EFFECT OF A CATALYST ON THE REACTION RATE (30 pts) Reaction System: Trial Description of Predicted outcome Observation (Reaction rate) conditions 1 + MnCl2 2 + MnO2 3 + NaCl 4 + CaCl2 5 + Zn 6 + KNO3 7 + Fe(NO3)3
Document Outline

  • DATA SHEET
    • 1. Reactions of Cu2+
    • 2. Reactions of silver halides
    • 3. Reactions of H2O2
    • 4. Reactions of Nitrate
    • 5. Reactions of KMnO4
    • 6. Reaction of Potassium Dichromate (K2Cr2O7)
    • 7. A. Reactions of Fe3+
    • 7. B. Reactions of Fe2+
    • 8. Reactions of Al3+
    • 9. Flame test
  • DATA SHEET (1)
    • 1. pH OF DEIONIZED WATER
    • 2. pH OF STRONG ACID
    • 3. pH OF WEAK ACID
    • 4. pH OF SALTS
    • 5. pH OF BUFFERS
  • DATA SHEET (2)
    • 2. TITRATION OF UNKNOWN CONCENTRATION H2C2O4 SOLUTION WITH STANDARD KMnO4 SOLUTION
    • 3. TITRATION OF UNKNOWN CONCENTRATION FeSO4 SOLUTION WITH STANDARD KMnO4 SOLUTION
  • DATA SHEET (3)
    • 1. ACID/BASE EQUILIBRIA
    • 2. EQUILIBRIA OF ACID/BASE INDICATORS
    • 3. COMPLEX ION FORMATION
  • DATA SHEET (4)
    • __________________________________________________
      • [S2O82-] =
      • 2. EFFECT OF TEMPERATURE ON THE REACTION RATE
      • 3. EFFECT OF A CATALYST ON THE REACTION RATE (30 pts)