18. Which of the following is the most suitable vessel in which to perform the experiment? (A) Conical tlask (B) Evaporating basin (C) Glass beaker (ĐT Polythene flask 19. The number of moles of silver that would he Se precipitated is (A) 0.20 x S0.0 48 0 20x500 0.2 Md. 0.c6dn 22 0.20 x 50.0 1000 28 020x50 (D) 1000x2 (C) What would be the temperature rise if 25.0 cm of 0.20nol dn of silver nitrate were used in the experiment? 5/10 oo A (A) 20. 29 2 2 C (BT4 4"CC) 88°C (D) 17.6°C The enthalpy change Al (in kJnmol ') for the rcaction given the specific heat capacity of the solution as 4.2Jcm"C- is expressed as 30 21. (A 31 to (A (A1-50.0 x 4.2 x 8.8 T 50.0x4.2xR B S0 OxO 20 C) +50.0 x 4.2 x 8.8 (D) 50.00.20 22, On lieating, 131e of calcium carbonate gaye
18. Which of the following is the most suitable vessel in which to perform the experiment? (A) Conical tlask (B) Evaporating basin (C) Glass beaker (ĐT Polythene flask 19. The number of moles of silver that would he Se precipitated is (A) 0.20 x S0.0 48 0 20x500 0.2 Md. 0.c6dn 22 0.20 x 50.0 1000 28 020x50 (D) 1000x2 (C) What would be the temperature rise if 25.0 cm of 0.20nol dn of silver nitrate were used in the experiment? 5/10 oo A (A) 20. 29 2 2 C (BT4 4"CC) 88°C (D) 17.6°C The enthalpy change Al (in kJnmol ') for the rcaction given the specific heat capacity of the solution as 4.2Jcm"C- is expressed as 30 21. (A 31 to (A (A1-50.0 x 4.2 x 8.8 T 50.0x4.2xR B S0 OxO 20 C) +50.0 x 4.2 x 8.8 (D) 50.00.20 22, On lieating, 131e of calcium carbonate gaye
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Answer Q19, 20, 21
![(B) 364 (C) + 800 ) -276
fast
(A) -800
HOl + Hn) + )
What type of reactions is this?
Acid-base
9.
What method could be used to obtam the
14.
value +590 kJ?
(A)
(BY
(C)
(D)
(A)
Electrolytic method
Electron bombardment method
Mass spectrometry
Bomb calorimetry
Which statenent among the following
Condensation
Precipitation
Redox
Which of the following equations represents
(B)
(C)
15.
correctly the rate-determining step?
(AT
10.
concerning CaCI(s) is true?
(A) lrcontains chlorine in its highest oxidation state
(B
(C)
oxjdation state
(D)
(B)
Hag) + Ola) - HOI(aq)
It is unstable with respect to CaCI (s)
It contains calcium in its most usual
(C)
HOlaq) + Han) + ag) - H,0u) + Iz(aq)
(D)
21an) + H202(aq) + 2Ha) Iz(aq) +
2H,00)
It is the usual chloride of calcium
The energy value 800k is called
16.
Which of the following conclusions about
11.
(A) lonisation energy
(B)
O Lattice energy
(D) Hydration energy
the rate of the reaction can be drawn from the
over-all equation of the reaction?
Enthalpy of formation
Rate is proportional to the concentration of
(A)
iudide ion
The equation for the preparation of Teflon
(13)
Rate is proportional to the concentration of
12.
from tetrafluoroethene is
n(CF, = CF2) - (-CF, - CF-)n
From this equation, it can be deduced that "Teflon"
(A)Has a different empirical formula from
tetrafluoroetfiene
(B) Can decolourise bromine water
(C) Is a highly reactive compound
DTIS an addition polymer
tıydrogen peroxide
(C)
the hydrogen ion
(D)
the jodide ions and the hydrogen peroxide.
Fate is proportional to the concentration of
Rate is proportional to the concentration of
Which one of the following methods could
NOT be used to determine the rate of this reaction?
Measurement of the concentration of
17.
(A)
hydrogen ions by a suitable titration methods
(B)
of the solution
13.
The systematic name for the compound
Measurement of the electrical conductivity
shown below
CHICH(OH)CH(CH)CH Is
LAT
(B)
(C)
(D)
Measurement of the mass of water fomed
3-methylbutan-2-ol
3-methlylbutyl alcohol
2-hydroxypentane
2-methyl hexan-1-ol
(C)
by absorption onto anhydrous calcium chloride
(D)
intensity of the solution
Measurement of the change in colour
Questions 14-17
The reaction of iodide ions with hydrogen peroxide
in acid solution can be represented by the equation
21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1)
The reaction is believed to occur stepwise as shown
below
Questions 18-21
In a laboratory experiment to determine the
enthalpy change (AH) for the reaction between zinc
and aqueous silver nitrate, the data below were
obtained
Mass of zine (RAM = 65) in excess = 1.00g
Valume of 0 20 mol dm aqueous silver nitrate =
aq) + H,02(a4) H20 +01(aq)
fast
HOl(aq)
20.0 cm
Teinperature rise =8.8°C
Ham + 0)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2F1549577e-ea38-4d75-91da-f56cea381a03%2Fd741o4l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(B) 364 (C) + 800 ) -276
fast
(A) -800
HOl + Hn) + )
What type of reactions is this?
Acid-base
9.
What method could be used to obtam the
14.
value +590 kJ?
(A)
(BY
(C)
(D)
(A)
Electrolytic method
Electron bombardment method
Mass spectrometry
Bomb calorimetry
Which statenent among the following
Condensation
Precipitation
Redox
Which of the following equations represents
(B)
(C)
15.
correctly the rate-determining step?
(AT
10.
concerning CaCI(s) is true?
(A) lrcontains chlorine in its highest oxidation state
(B
(C)
oxjdation state
(D)
(B)
Hag) + Ola) - HOI(aq)
It is unstable with respect to CaCI (s)
It contains calcium in its most usual
(C)
HOlaq) + Han) + ag) - H,0u) + Iz(aq)
(D)
21an) + H202(aq) + 2Ha) Iz(aq) +
2H,00)
It is the usual chloride of calcium
The energy value 800k is called
16.
Which of the following conclusions about
11.
(A) lonisation energy
(B)
O Lattice energy
(D) Hydration energy
the rate of the reaction can be drawn from the
over-all equation of the reaction?
Enthalpy of formation
Rate is proportional to the concentration of
(A)
iudide ion
The equation for the preparation of Teflon
(13)
Rate is proportional to the concentration of
12.
from tetrafluoroethene is
n(CF, = CF2) - (-CF, - CF-)n
From this equation, it can be deduced that "Teflon"
(A)Has a different empirical formula from
tetrafluoroetfiene
(B) Can decolourise bromine water
(C) Is a highly reactive compound
DTIS an addition polymer
tıydrogen peroxide
(C)
the hydrogen ion
(D)
the jodide ions and the hydrogen peroxide.
Fate is proportional to the concentration of
Rate is proportional to the concentration of
Which one of the following methods could
NOT be used to determine the rate of this reaction?
Measurement of the concentration of
17.
(A)
hydrogen ions by a suitable titration methods
(B)
of the solution
13.
The systematic name for the compound
Measurement of the electrical conductivity
shown below
CHICH(OH)CH(CH)CH Is
LAT
(B)
(C)
(D)
Measurement of the mass of water fomed
3-methylbutan-2-ol
3-methlylbutyl alcohol
2-hydroxypentane
2-methyl hexan-1-ol
(C)
by absorption onto anhydrous calcium chloride
(D)
intensity of the solution
Measurement of the change in colour
Questions 14-17
The reaction of iodide ions with hydrogen peroxide
in acid solution can be represented by the equation
21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1)
The reaction is believed to occur stepwise as shown
below
Questions 18-21
In a laboratory experiment to determine the
enthalpy change (AH) for the reaction between zinc
and aqueous silver nitrate, the data below were
obtained
Mass of zine (RAM = 65) in excess = 1.00g
Valume of 0 20 mol dm aqueous silver nitrate =
aq) + H,02(a4) H20 +01(aq)
fast
HOl(aq)
20.0 cm
Teinperature rise =8.8°C
Ham + 0)
![(A)
(B) (D)
Which of the following is the most suitable
Questions 27 to 31 concern the lollowing organic
compounds
(A) THOOCCHCHCOOH
(C) CllEN',CI
18.
vessel in which to perfom the experiment?
(A)
(B)
(C)
Conical tlask
Evaporating basin
Glass beaker
Polythene flask
(B) CCHOHCH
CH.CCH
(D)
Seleet from A to D the compound that could
Give a positive iodoform test
19.
The number of moles of silver that would he
0.c6dn3 27.
(A)
00ll
precipitated is
02 Md
(C)
(D)
0.20 x 50.0 S
1000
(A)
0.20 x 50.0 18
28.
Exhibit geometric isomerism
020x500
020x50
(D)
1000x2
(C)
(D)
(B)
React with phenol to give a coloured
(C)
AT
29.
What would be the temperature rise if 25.0
cm of 0.20mol dm of silver nitrate vere used in
20.
compound.
(D)
(B) C)
Haye optical isomers
(C)
React with ammoniacal Copper ti) chloride
lo form a red-brown precipitate.
(C) A)
the experiment? 2 e 6 S
30.
2 2°C (BT4 4C(C) 8.8°C (D) 17.6°C
The enthalpy change AlH (in kInol y for the
reaction given the specifie heat capacity of the
solution as 4.2JcmC- is expressed as
(A)
(A)
(D)
21.
31
(A) (B)
Questions 32and 33 concem on the following
graphs
50.0x4.2XRB
(A1-50.0 x 4.2 x 8.8
SO OND 20
IC) +50.0 x 4,2 x 8.8 (D)
50.0-0.20
On licating, 131g of calcium carbonate gave
22.
0.69g of calcium bxide, CaO.
(Ca=40, C=12, O=16)
CaCOs) CaOs) + CO 8)
The percenlage yield for this reaction is
TA! 567
D1 106 46
Qrestions 23-26 concern I moldm solutions of
A) Lthanoie acid (B) Sodium hydroxide
(CJAmimonia
Select from A to D the substance, which has the
properny indicated
23.
94 52 (C)
56.00
(D)Hydrochloric acid
The solution that has the lowest pFl value
(C) )
The solution which when added to
coppert il) sulphate gives a pale-blue precipitate.
When excess of the solution is added to the
precipitate, a deep blue solution results
(D)
T. nlutire urhich contains the least
(A)
(B)
Select from A to D the graph that
Could be the variation of the concentration
of a reactant with time as the reaction proceeds
24.
32.
(B)
Could represent the variation of pressure
with volume for a given nass of gas at constant
(C)
(D)
(A)
(B)
ses
33.
Tuniber ol hydrogen ons
(B)
(C) (D)
The solution that is a Lewis base
(B)
26.
34.
In the reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6d9c67-6f13-49d2-ac4d-2d996f90a88b%2F1549577e-ea38-4d75-91da-f56cea381a03%2Fwa746m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(A)
(B) (D)
Which of the following is the most suitable
Questions 27 to 31 concern the lollowing organic
compounds
(A) THOOCCHCHCOOH
(C) CllEN',CI
18.
vessel in which to perfom the experiment?
(A)
(B)
(C)
Conical tlask
Evaporating basin
Glass beaker
Polythene flask
(B) CCHOHCH
CH.CCH
(D)
Seleet from A to D the compound that could
Give a positive iodoform test
19.
The number of moles of silver that would he
0.c6dn3 27.
(A)
00ll
precipitated is
02 Md
(C)
(D)
0.20 x 50.0 S
1000
(A)
0.20 x 50.0 18
28.
Exhibit geometric isomerism
020x500
020x50
(D)
1000x2
(C)
(D)
(B)
React with phenol to give a coloured
(C)
AT
29.
What would be the temperature rise if 25.0
cm of 0.20mol dm of silver nitrate vere used in
20.
compound.
(D)
(B) C)
Haye optical isomers
(C)
React with ammoniacal Copper ti) chloride
lo form a red-brown precipitate.
(C) A)
the experiment? 2 e 6 S
30.
2 2°C (BT4 4C(C) 8.8°C (D) 17.6°C
The enthalpy change AlH (in kInol y for the
reaction given the specifie heat capacity of the
solution as 4.2JcmC- is expressed as
(A)
(A)
(D)
21.
31
(A) (B)
Questions 32and 33 concem on the following
graphs
50.0x4.2XRB
(A1-50.0 x 4.2 x 8.8
SO OND 20
IC) +50.0 x 4,2 x 8.8 (D)
50.0-0.20
On licating, 131g of calcium carbonate gave
22.
0.69g of calcium bxide, CaO.
(Ca=40, C=12, O=16)
CaCOs) CaOs) + CO 8)
The percenlage yield for this reaction is
TA! 567
D1 106 46
Qrestions 23-26 concern I moldm solutions of
A) Lthanoie acid (B) Sodium hydroxide
(CJAmimonia
Select from A to D the substance, which has the
properny indicated
23.
94 52 (C)
56.00
(D)Hydrochloric acid
The solution that has the lowest pFl value
(C) )
The solution which when added to
coppert il) sulphate gives a pale-blue precipitate.
When excess of the solution is added to the
precipitate, a deep blue solution results
(D)
T. nlutire urhich contains the least
(A)
(B)
Select from A to D the graph that
Could be the variation of the concentration
of a reactant with time as the reaction proceeds
24.
32.
(B)
Could represent the variation of pressure
with volume for a given nass of gas at constant
(C)
(D)
(A)
(B)
ses
33.
Tuniber ol hydrogen ons
(B)
(C) (D)
The solution that is a Lewis base
(B)
26.
34.
In the reaction.
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