Chemistry · 2005 · November · Paper 2 · HL · Question paper
ChemistryQuestion paper2005HLNovember
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Resource overview
This question paper is listed under Chemistry in the 2005 examination archive. Its catalogue level is HL. The catalogue session is November. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.
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Opening excerpt
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CHEMISTRY
HIGHER LEVEL
PAPER 2
Monday 7 November 2005 (afternoon)
2 hours 15 minutes
N05/4/CHEMI/HP2/ENG/TZ0/XX+
IB DIPLOMA PROGRAMME
PROGRAMME DU DIPLÔME DU BI
PROGRAMA DEL DIPLOMA DEL BI
c
88056102
8805-6102 11 pages
INSTRUCTIONS TO CANDIDATES
! Write your session number in the boxes above.
! Do not open this examination paper until instructed to do so.
! Section A: answer all of Section A in the spaces provided.
! Section B: answer two questions from Section B. Write your answers on answer sheets.
Write your session number on each answer sheet, and attach them to this
examination paper and your cover sheet using the tag provided.
! At the end of the examination, indicate the numbe rs of the questions answered in the candidate
box on your cover sheet and indicate the number of sheets used in the appropriate box on your
cover sheet.
[Personal identifier removed]
SECTION A
Answer all the questions in the spaces provided.
1. An equation for the decomposition of substance A is
A graph showing the change in concentration of A against time as the reaction proceeds at a
particular temperature is shown below.
0.10
0.08
0
0.02
0.04
0.06
1000 2000 3000 4000 5000
Time / s
[A] /
mol dm3
0.01
0.03
0.05
0.07
0.09
[1](a) Define the term half-life of reaction.
.........................................................................
.........................................................................
[2](b) Use the graph to measure values of half-life of reaction, starting from
time = z e r o ................................................................
time = 2 0 0 0 s ..............................................................
[3]
(c) Deduce the order of the reaction with respect to A, giving a reason for your choice, and write
the rate expression for the reaction.
.........................................................................
.........................................................................
.........................................................................
.........................................................................
(This question continues on the following page)
2 N05/4/CHEMI/HP2/ENG/TZ0/XX+
8805-6102
22 → +AB C
File information
Subject
Chemistry
Document type
Question paper
Year
2005
Session
November
Level
HL
Paper
2
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
198 KB
Pages
11
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