* Which reaction is an example of a precipitation reaction? (A) H2CO3(a) - H20) + co (B) H2SO4a) + Ca(O)2(ag)-CaSO) +2 120) (C)6 HCag) +2 Al)2 AIC3(ag) +3 H) (D) FeCB()+3 KOH)- Fe(O36) +3 KCK) (E) 2 Hg) + 02g)2 HgO6)
* Which reaction is an example of a precipitation reaction? (A) H2CO3(a) - H20) + co (B) H2SO4a) + Ca(O)2(ag)-CaSO) +2 120) (C)6 HCag) +2 Al)2 AIC3(ag) +3 H) (D) FeCB()+3 KOH)- Fe(O36) +3 KCK) (E) 2 Hg) + 02g)2 HgO6)
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.97QE: According to the Resource Conservation and Recovery Act (RCRA), waste material is classified as...
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Transcribed Image Text:NED g) +3 H20)
6:47 1
4 НВО Мах
. Which reaction is an example of a precipitation reaction?
(A) H2CO3(aq) - H20(1) + CO2()
(B) H2SO4(ag) + Ca(OH)2(ag) CasO4(ag) +2 H200)
(C) 6 HCI(ag) + 2 Al)-2 AICI3(aq) +3 H2)
(D) FeC3(ag) +3 KOH(aq) - Fe(OHj3()+3 KCKa)
(E) 2 Hg() + 02(g) -2 HgOs)
(10). Which reaction is an example of both a precipitation and a neutralization?
(A) H3PO4(aq) + 3 KOH(aq) -
(B) FeC13(aq) + 3
+3 KCI(aq)
a) + Ba(OH)2(ag) → BaSO4) + 2 H200)
(E) 2 C) + 02(g)-2 COg)
(11)* All of the statements regarding redox reactions are true except
(A) a reducing agent causes another substance to be reduced.
(B) halogens usually behave as oxidizing agents because they readily gain electrons.
(C) metal ions are produced when pure metals are oxidized.
(D) when a substance is oxidized its charge (or oxidation number) decreases.
(E) alkali metals oflen behave as reducing agents because they readily lose electrons.
(12) * In a typical oxidation-reduction reaction the electrons are transferred
(A) from the oxidizing agent to the reducing agent.
(B) from what is being oxidized to the substance being reduced.
(C) from what is being reduced to the substance being oxidized.
(D) from what is being oxidized to the reducing agent.
(E) none of these.
(13) * In the redox reaction shown,
is oxidized and becomes
Fe(s) + CuC12 ag) Cu(s) + FeC12(aq)
(A) Fe; Fe+
(B) Fe; Fe2+
(C) Cu; Cu2+
(D) Cu2+; Cu
(E) none of
the above
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![6:47 7
HBO Max
(25) A 6.32 g sample of KCIO3 was decomposed according to the
following equation:
2 KCIO3 O 2 KCI +
3 02
How many moles of O2 are formed?
Imelar mass KCo-1255 pmole KCI-455 ainole
o,-32.00 gnete
(26) The reaction of 750.0 g of NH, and 750.0 g of O, produced 562 g of
NO
4 NH, + 5 O, à 4 NO + 6 HO
(A) Determine the limiting reactant and state why it was chosen.
(B) What is the % Yield of the reaction.
[ molar masses: NH, = 17.03 g/mole
NO =30.01 g/mole
0- 32.00 g/mole
HO = 18.02 g/mole ]
(Additional Space on Next Page)
(27) Nitrobenzene (C,H,NO) is used in small amounts as a flavoring agent or in perfume can be toxic
in large amounts. It is produced bynthe reaction of benzene (C,H) and nitric acid (HNO ):
CH, ) + HNO, (aq) ®CH,NO, () + H20 (1)
If the reaction is run starting with 8.023 L of CH,, and the percent yield of the reaction if 84.5%, how
many liters of CH,NO, will be made?
HNO,= 63.02 g/mole
HO = 18.02 g/mole ]
[molar masses:
CH = 78.11 g/mole
CHNO, =123.11 g/mole
CH = 0.874 g/mL
CH NO, = 1.253 g/mL
HNO, = 1.42 g/mL
HO = 1.00 g/mL
(Additional Space on Next Page)
[density:
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Transcribed Image Text:6:47 7
HBO Max
(25) A 6.32 g sample of KCIO3 was decomposed according to the
following equation:
2 KCIO3 O 2 KCI +
3 02
How many moles of O2 are formed?
Imelar mass KCo-1255 pmole KCI-455 ainole
o,-32.00 gnete
(26) The reaction of 750.0 g of NH, and 750.0 g of O, produced 562 g of
NO
4 NH, + 5 O, à 4 NO + 6 HO
(A) Determine the limiting reactant and state why it was chosen.
(B) What is the % Yield of the reaction.
[ molar masses: NH, = 17.03 g/mole
NO =30.01 g/mole
0- 32.00 g/mole
HO = 18.02 g/mole ]
(Additional Space on Next Page)
(27) Nitrobenzene (C,H,NO) is used in small amounts as a flavoring agent or in perfume can be toxic
in large amounts. It is produced bynthe reaction of benzene (C,H) and nitric acid (HNO ):
CH, ) + HNO, (aq) ®CH,NO, () + H20 (1)
If the reaction is run starting with 8.023 L of CH,, and the percent yield of the reaction if 84.5%, how
many liters of CH,NO, will be made?
HNO,= 63.02 g/mole
HO = 18.02 g/mole ]
[molar masses:
CH = 78.11 g/mole
CHNO, =123.11 g/mole
CH = 0.874 g/mL
CH NO, = 1.253 g/mL
HNO, = 1.42 g/mL
HO = 1.00 g/mL
(Additional Space on Next Page)
[density:
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