| De La Salle College “Oaklands” |2022-2023
LABORATORY MARKING SCHEME
***Submit with your lab report***
SCH4U: Calorimetry Pivot Lab
THINKING – Calculation Section
Balanced chemical equation is correct
0
1
Heat Capacity of the Calorimeter
-Calculations are correct
-All formulas are shown and final answer is boxed to correct sig. figs and units.
1
2
3
ΔH of reaction using standard heat of formation
- Enthalpy of reaction using standard heat of formation is correct
- all formulas are shown and final answer is boxed to correct sig. figs and units.
1
2
3
Heat of Reaction and Molar Enthalpy of Neutralization
-Mass of the solution is correct
-Heat (q) of the reaction is correct
-Mole calculations and limiting reagents are correct
-Calculations of ΔH is correct
- All answers are boxes to correct significant figures and units
1
2
3
Percent Difference
-Percent difference calculations are correct
-Formula is shown and final answer is boxed to correct sig.figs and units
1
2
3
Lab Report Components
Lab Report is typed and all heading titles are evident: Abstract (with reaction), Results
Calculations, Discussion, References
Overall presentation of the report is well done. Lab report is stapled.
1
2
Observation Charts
Table 1 is recreated and typed neatly with headings. All units and sig. figs are properly labeled.
Table 2 is recreated and typed neatly with headings. All units and sig. figs are properly labeled.
Table 3 is recreated and typed neatly with headings. All units and sig. figs are properly labeled.
Figure 1 (Graph) is constructed from table 2 with headings, and initial, final and change in
temperature are labeled.
1
2
Title Page includes
Name, Partners Name, Lab Date, Date Submitted, Teacher Name, Descriptive Title
___ YES
___NO
Lab Rubric Attached to end of report
____YES
___NO
4
5
4
5
3
4
5
3
4
5
COMMUNICATION
APPLICATION
Discussion Q1
Answer is plausible and includes evidence from course to support claim.
Discussion Q2
Answer is plausible and includes evidence from course to support claim.
Discussion Q3
Answer is plausible and includes evidence from course to support claim.
Discussion Q4
All three questions are answered. Student has put great thought into summarized lessons
learned and challenges.
OVERALL:
T
/ 17
A
/14
C
/ 10
1
2
3
1
2
3
1
2
3
1
2
3
4
5
| De La Salle College “Oaklands” |2022-2023
LABORATORY MARKING SCHEME
***Submit with your lab report***