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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

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 1ALQ

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Question 66 of 80
Write the chemical formula for iridium(III) hydrogen sulfite
2+
3+
4+
14-
1
2
3
4
7
O3
O5
O6
(1)
(g) (aq)
H
HSO,
HSO,
SO,
Ir
4
SO,
Reset
• x H,O
Delete
2
+
2.
2.

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Complete and balance the following equations: (a) CaO(s) + H2O(1) (b) Al>O3(s) + H*(aq) (c) NazO2(s) + H20(I) (d) N2O3(8) + H20(1) (e) KO2(s) + H,0(1) (f) NO(8) + O(8)
ro/index.html?deploymentld=55750828934189288909969212&elSBN=9781305657571&snapshotid%32199... 出☆ O To NDTAP Q Search t Use the References to access important values if needed for this question. Titanium(III) oxide can be prepared by reaction of titanium(IV) oxide with hydrogen at high temperature: 2TIO2 + H2-Ti,O3 + H2O The reaction of 421.3 g of Ti0, with excess H2 yields 325.2 g of Ti,O3. Calculate the theoretical yield of Ti,O3 (assuming complete reaction) and its percentage yield. Theor yield = Percentage yield =| Submit Answer 5 question attempts remaining
(f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate (G) Iron (II) chloride
Write a balanced chemical equation for the reaction thatoccurs when (a) Mg(s) reacts with Cl2(g); (b) barium carbonatedecomposes into barium oxide and carbon dioxide gaswhen heated; (c) the hydrocarbon styrene, C8H8(l), is combustedin air; (d) dimethylether, CH3OCH3(g), is combustedin air.
Q4(iv)
(A) if both sentences are true,(B) if both sentences are false,(C) if the first sentence is true but the second is false, and(D) if the first sentence is false but the second is true. 1. In a redox reaction, the oxidation number of iron changed from +2 to +3; thus, sulfur is a reducing agent. In a redox reaction, the oxidation number of nitrogen was unchanged; thus, nitrogen is an oxidant. 2. In a redox reaction, the reducing agent is oxidized and it gains electrons. In a redox reaction, the oxidizing agent is reduced and it gains electrons. 3. Bending stress is also known as flexural stress. The test used in observing the mechanical strength of chocolate is the three-point bend test. 4. The flexural strength of materials may be expressed in Pascals. Magnesium is more reactive than silver; therefore, magnesium corrodes faster than silver with the aid of air, oxygen, and sea water.
(ii) Br NH HNO₂ H2SO4
Part A) Place the following elements in order of increasing atomic radii: Mg, Na, Rb, Cl. Part B) Balance the following oxidation-reduction reaction: NH3(g) + O2(g) => NO(g) + H2O(g) The sum of all the stoichiometric coefficients in the balanced equation is: (a) 4 (b) 7 (c) 10 (d) 19 (e) None of those, if so what is your answer Part C) A freighter carrying a cargo of uranium hexafluoride sank in the English Channel in late August 1984. Uranium hexafluoride was contained in 30 drums, each having a volume of 1.62×106 L. Uranium hexafluoride density is 5.09 g/mL. What was the mass (in ton, 1 ton=1000 kg) of sunk UF6? a) 47×105 b) 9.43×107 c) 2.47374×105 d) 0.247(e) None of those. If so, what is your answer?
Write a balanced chemical equation for the reaction that occurs when (a) Mg(s) reacts with Cl21g2; (b) barium carbonate decomposes into barium oxide and carbon dioxide gas when heated; (c) the hydrocarbon styrene, C8H81l2, is combusted in air; (d) dimethylether, CH3OCH31g2, is combustedin air.
(f) Balance the following equations: CO2+H2O (i) C4H10+ O₂ → (ii) H3PO4 + Mg(OH)2 (iii) (NH4)2Cr2O7 → Cr₂O3 + H₂O + N₂ -> Mg3(PO4)2 + H₂O
The first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from ammonia: 4 NH; (g) + 5 0, (g) = 4 NO (g) + 6 H,0 (g) K1 2 NO (3) +0, (g) = 2NO, (g) K2 The net reaction is: 4 NH; (g) + 70, (g) = 4 NO, (g) + 6 H,0 (g) K Write an equation that gives the overall equilibrium constant K in terms of the equilibrium constants K, and K,. If you need to include any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator. K = olo
Complete and balance the following equations: (a) NaH(s) + H,O(1) (b) Fe(s) + H,SO,(aq) (c) H2(8) + Br,(8) (d) Na(1) + H2(8) (e) PbO(s) + H2(8)

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