Cesium does not occur in nature as Cs (s) because __________. a. it undergoes a disproportionation...
Cesium does not occur in nature as Cs (s) because __________.
a. it undergoes a disproportionation reaction to Cs- and Cs+
b. it reacts with water with great difficulty
c. it is easily oxidized to Cs+
d. it is easily reduced to Cs-
e. it is easily replaced by silver in its ores
Homework Answers
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Cesium does not occur in nature as Cs (s) because
__________.
a. it undergoes a disproportionation...
6) Of the choices below, which would be the best for the lining of a tank...
6) Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid? A) copper B) zinc C) nickel D) iron E) tin 7) Which of these metals will be oxidized by the ions of cobalt? A) nickel B) tin C) iron D) copper E) silver 8) Which of these metals will be oxidized by the ions of aluminum? A) magnesium B) zinc C) chromium D) iron E) nickel...
Sample problems 3: How does the entropy of the system change when the following occur: a)...
Sample problems 3: How does the entropy of the system change when the following occur: a) a so vaporizes; ce) a solid dissolves in water; d) a gas liquefies? as 2. The normal boiling point of methanol (CHsOH) is 64.7 Co, and its molar enthalpy of vaporization is Hap -71.8 kJ/mol. A) When CHoOH 1) boils at its normal boiling point, does its entropy increase or decrease? B) Calculate the value of AS when 1.00 mol of CHOH() is vaporized...
The salt cesium perchlorate dissolves in water according to the reaction: CsClO4(s) Cs+(aq) + ClO4-(aq) (a)...
The salt cesium perchlorate dissolves in water according to the reaction: CsClO4(s) Cs+(aq) + ClO4-(aq) (a) Calculate the standard enthalpy change ΔH° for this reaction, using the following data: CsClO4(s) = -443.1 kJ mol^-1 Cs^+(aq) = -258.3 kJ mol^-1 ClO4-(aq) = -129.3 kJ mol^-1 _____kJ (b) Calculate the temperature reached by the solution formed when 30.0 g of CsClO4 is dissolved in 0.119 L of water at 23.0 °C. Approximate the heat capacity of the solution by the heat capacity...
Z. Consider the following data: E(Ag O/Ag- +1.36 V; EAg g")-+1.98 V; E(Ag/Ag)-+0.80 V; E (Ag.S/AgH2S)--0.69...
Z. Consider the following data: E(Ag O/Ag- +1.36 V; EAg g")-+1.98 V; E(Ag/Ag)-+0.80 V; E (Ag.S/AgH2S)--0.69 v (a) Which of the five species (Ag S, Ag:O, Ag g,Ag) is the strongest oxidizer and which one should be the easiest to oxidize? (b) The standard hydrogen electrode is connected with an electrode made of silver and containing Ag ions in water as shown below: Ag Which of the electrodes is the cathode and which is the anode? Which way the electrons...
6. Suppose you initially have a standard galvanic cell based on the following half- reactions: Cu...
Detailed answer please.
6. Suppose you initially have a standard galvanic cell based on the following half- reactions: Cu" (aq) 2eCu (s) Ag' (aq)e Ag (s) The metal electrodes in this cell are Ag (s) and Cu (s). Does the cell potential increase, decrease, or remain the same when the following changes occur? Provide a reasonable explanation to support your answers a) Solid CuSO4 is added to the copper half-cell compartment (CuSO4 b) NHs (aq) is added to the copper...
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Exp...
PLEASE ANSWER ALL OF QUESTION
9 WITH ALL WORK SHOWN. THANK YOU!
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Explain the following using principles of atomic str nciples of atomic structure a K cannot be easily oxidized b. CI cannot be easily reduced How many moles of electrons Consider an uranium-bromine cell in which U is oxidized and Br, is reduced. If the s 8. are transferred in an electrolytic cell...
(1) _ Fe(s) + _ H20(g) Ⓡ_ Fe;0) + H () (B) __CH_(g) + _029) Ⓡ_CO2(g)...
(1) _ Fe(s) + _ H20(g) Ⓡ_ Fe;0) + H () (B) __CH_(g) + _029) Ⓡ_CO2(g) + _H2O(g) (C)_KCIO, (s) ® KCI (s) + 0,(g) __CH4 (1) +_02(g) __CO2(g) + _H,0 (g) (@_CH_03 (1) + ___0,(9) ®__(9) + ___H_0 (1) (1) _NaN; (5) ®___ Na (s) + ___N. (9) (G) C,HN,O, ®_CO + N + H+O+ O, 2. Write and Balance the equations: (A) Aqueous calcium hydroxide reacts with aqueous sodium carbonate to produce solid calcium carbonate and aqueous sodium...
C6H12O6 + O2 > CO2 + H2O + energy (673 kcal/mol) (1) 1. Add coefficient to...
C6H12O6 + O2 > CO2 + H2O + energy (673 kcal/mol) (1)
1. Add coefficient to balance reaction (1) in model 1.
2. Does reaction (1) release or absorb energy? Is the reaction
exothermic or exothermic?
3. Reason (1) is a redox reaction. Work with your team to identify
the atom that is reduced and the atom that is oxidized in the
reaction. (Recall that when in a molecular compound, oxygen has an
oxidation number of -2 and hydrogen had...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
6) Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid? A) copper B) zinc C) nickel D) iron E) tin 7) Which of these metals will be oxidized by the ions of cobalt? A) nickel B) tin C) iron D) copper E) silver 8) Which of these metals will be oxidized by the ions of aluminum? A) magnesium B) zinc C) chromium D) iron E) nickel...
Sample problems 3: How does the entropy of the system change when the following occur: a) a so vaporizes; ce) a solid dissolves in water; d) a gas liquefies? as 2. The normal boiling point of methanol (CHsOH) is 64.7 Co, and its molar enthalpy of vaporization is Hap -71.8 kJ/mol. A) When CHoOH 1) boils at its normal boiling point, does its entropy increase or decrease? B) Calculate the value of AS when 1.00 mol of CHOH() is vaporized...
Z. Consider the following data: E(Ag O/Ag- +1.36 V; EAg g")-+1.98 V; E(Ag/Ag)-+0.80 V; E (Ag.S/AgH2S)--0.69 v (a) Which of the five species (Ag S, Ag:O, Ag g,Ag) is the strongest oxidizer and which one should be the easiest to oxidize? (b) The standard hydrogen electrode is connected with an electrode made of silver and containing Ag ions in water as shown below: Ag Which of the electrodes is the cathode and which is the anode? Which way the electrons...
Detailed answer please.
6. Suppose you initially have a standard galvanic cell based on the following half- reactions: Cu" (aq) 2eCu (s) Ag' (aq)e Ag (s) The metal electrodes in this cell are Ag (s) and Cu (s). Does the cell potential increase, decrease, or remain the same when the following changes occur? Provide a reasonable explanation to support your answers a) Solid CuSO4 is added to the copper half-cell compartment (CuSO4 b) NHs (aq) is added to the copper...
PLEASE ANSWER ALL OF QUESTION
9 WITH ALL WORK SHOWN. THANK YOU!
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Explain the following using principles of atomic str nciples of atomic structure a K cannot be easily oxidized b. CI cannot be easily reduced How many moles of electrons Consider an uranium-bromine cell in which U is oxidized and Br, is reduced. If the s 8. are transferred in an electrolytic cell...
(1) _ Fe(s) + _ H20(g) Ⓡ_ Fe;0) + H () (B) __CH_(g) + _029) Ⓡ_CO2(g) + _H2O(g) (C)_KCIO, (s) ® KCI (s) + 0,(g) __CH4 (1) +_02(g) __CO2(g) + _H,0 (g) (@_CH_03 (1) + ___0,(9) ®__(9) + ___H_0 (1) (1) _NaN; (5) ®___ Na (s) + ___N. (9) (G) C,HN,O, ®_CO + N + H+O+ O, 2. Write and Balance the equations: (A) Aqueous calcium hydroxide reacts with aqueous sodium carbonate to produce solid calcium carbonate and aqueous sodium...
C6H12O6 + O2 > CO2 + H2O + energy (673 kcal/mol) (1)
1. Add coefficient to balance reaction (1) in model 1.
2. Does reaction (1) release or absorb energy? Is the reaction
exothermic or exothermic?
3. Reason (1) is a redox reaction. Work with your team to identify
the atom that is reduced and the atom that is oxidized in the
reaction. (Recall that when in a molecular compound, oxygen has an
oxidation number of -2 and hydrogen had...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrater Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
EXPERIMENT 11 THE MICROSCALE REDUCTION OF BENZIL WITH SODIUM BOROHYDRIDE INTRODUCTION Oxidation-reduction (redox) reactions occur in concert. One substance undergoes oxidation by donating electrons to another substance that is then reduced. In organic chemistry certain rules are followed in determining whether a particular substrate is being oxidized or reduced. Oxidation: The loss of hydrogen and/or gain of oxygen by a substrate Reduction: The gain of hydrogen and/or loss of oxygen by a substrate When an organic substrate is reduced, the...
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