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2.1and
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1.11E.
1.1How many types of Van der Waals forces are present between the molecules of CH Br? (2\
1.2Which ONE of the following is the CORRECT formula of methylbutanone? CH(OH\CH(CH \H HCOOCH(CH \H CH(CH COCH(CH
1.3A compound (CH undergoes the following reaction: (CH + CH (CH Which ONE of the following combinations CORRECT
1.5Which ONE of the following statements is TRUE for the effect of a catalyst on a reaction at equilibrium? The equilibrium constant increases. The rate of the reverse reaction increases. The activation energy for the reverse reaction increases.
1.7Consider the equation for the acid base reaction below HSO (aq\ (aq\ (aq\ (aq\
1.8
1.9Which ONE of the following combinations of temperature and pressure is CORRECT for the standard hydrogen half cell? TEMPERATURE PRESSURE (kP
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2.1Define the term saturated compound (2\ Write down the LETTER that represents EACH of the following: An unsaturated compound
2.3Name the TWO homologous series to which belong (2\ Is compound a PRIMARY, SECONDARY or TERTIARY alcoho l?
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3.1The boiling points of straight chain aldehydes and straight chain carboxylic acids are compared . The table below shows the results obtained. INVESTIGATION 1
3.1.1Define the term homologous series
3.1.2Write down the: (a\ (b\ NAME of the FUNCTIONAL GROUP of the aldehydes IUPAC NAME of the compound with the highest vapour pressure in
3.1.3For INVESTIGATION (a\ (b\ (c\ Write down the controlled variable Describe the trend in the boiling points
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3.1.4Write down the boiling point of butanal.
3.2he vapour pressure of compounds are compared. COOH How does the vapour pressure of compound compare to that of compound Choose from HIGHER THAN, LOWER THAN or EQUAL TO.
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4.3Consider reaction rite down: The alanced equation using CONDENSED structural formulae (4\ The NAME or FORMULA of a suitable catalyst (1\
4.4Butane can be converted to compound in a TWO STEP reaction. STRUCTURAL FORMULAE and write down the balanced equations for these
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5.1Define the term rate of reaction (2\
5.2rite down ONE controlled variable for this investigation Flask with reaction mixture Balance 11
5.3Give a reason why the mass of the reaction mixture and flask decreases. (1\
5.4For curve alculate the average rate at which (g\ is produced for the first 120 s in dm . The molar gas volume is 24,5
5.5Which curve represent EXPERIMENT ? Choose from or Use the collision theory to explain the answer.
5.6How will the final mass of (g\ produced in EXPERIMENT compare to that of EXPERIMENT ? Choose
6.1How will EACH of the following changes affect the number of moles of CO (g\ at equilibrium? Choose from INCREASES, DECREASES or REMAINS THE SAME.
6.1.1A catalyst is added (1\
6.1.2The volume of the container is incr eased at a constant temperature (1\
6.1.3More powdered carbon is added (1\
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6.3Calculate the value of shown on the graph. (6\
6.4
6.5The balanced equation for this reaction is rewritten below for easy reference. C(s\ CO (g\ 2CO(g\ H < 0 The graph below shows the equilibrium number of moles of CO(g\, C(s\ and \ in the flask at time At
6.6What effect will the addition of CO(g\ have on the equilibrium constant, K Choose from INCREASES, DECREASES or REMAINS THE SAME (1\ 19] CO C CO2 t1 Time (minutes\ Amount (moles\ 15
8.1For solution , write down he NAME or FORMULA of the ions needed. (1\
8.2Write down the initial reading on the voltmeter. (1\ Which electrode or is the cathode? (1\
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9.1Define the term electrolysis. (2\
9.2Write down the reduction half reaction for this cell. (2\ What is the direction of the electron flow in the external circuit