
Chemistry: Structure and Properties
1st Edition
ISBN: 9780321834683
Author: Nivaldo J. Tro
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 52E
Iron(ll) sulfide reacts with hydrochloric acid according to the reaction:
FeS(s) + 2 HCl(aq) → FeCl2(s) + H2S(g)
A reaction mixture initially contains 0.223 mol FeS and 0.652 mol HCI. Once the reaction has occurred as completely as possible, what amount (in moles) of the excess reactant is left?
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Answe Answer A and B please
3. Refer to the data below to answer the following questions:
Isoelectric point
Amino Acid
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10.76
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sidizo zo
3. A gas mixture contains 50 mol% H2 and 50 mol% He.
1.00-L samples of this gas mixture are mixed with
variable volumes of O2 (at 0 °C and 1 atm). A spark is
introduced to allow the mixture to undergo complete
combustion. The final volume is measured at 0 °C and 1
atm. Which graph best depicts the final volume as a
function of the volume of added O2?
(A)
2.00
1.75
Final Volume, L
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0.00
0.25
0.50
2.00
(B)
1.75
1.50
Final Volume, L
1.25
1.00
0.75
0.50-
0.25
0.00
0.75
1.00
0.00
0.25
Volume O₂ added, L
2
0.50
0.75
1.00
Volume O₂ added, L
2
2.00
2.00
(C)
(D)
1.75
1.75
1.50
1.50
Final Volume, L
1.25
1.00
0.75
0.50
Final Volume, L
1.25
1.00
0.75
0.50
0.25
0.25
0.00
0.00
0.00
0.25
0.50
0.75
1.00
0.00
0.25
Volume O₂ added, L
0.50
0.75
1.00
Volume O₂ added, L
2
Chapter 8 Solutions
Chemistry: Structure and Properties
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