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1. The thermite reaction can be used to produce manganese metal: 4 Al(s) + 2 MnO,...
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid,...
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO2(s) + 4 HCl(aq) + MnCl, (aq) + 2 H2O(l) + Cl2(g) How much MnO2 (s) should be added to excess HCl(aq) to obtain 285 mL C12(g) at 25 °C and 795 Torr? of Mno,: mass of MnO,
The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe3O4 (s) \longrightarrow...
The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe3O4 (s) \longrightarrow ⟶ 4 Al2O3 (s) + 9 Fe (s) Δ H° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 19.3 g of Al with 63.2 g of Fe3O4? Enter a...
he thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe3O4 (s) \longrightarrow ⟶...
he thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al (s) + 3 Fe3O4 (s) \longrightarrow ⟶ 4 Al2O3 (s) + 9 Fe (s) \Delta Δ H° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 16 g of Al with 76.3 g of Fe3O4? Enter...
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid,...
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl ( aq ) , as described by the chemical equation MnO 2 ( s ) + 4 HCl ( aq ) ⟶ MnCl 2 ( aq ) + 2 H 2 O ( l ) + Cl 2 ( g ) How much MnO 2 ( s ) should be added to excess HCl ( aq ) to obtain 215 mL Cl 2...
1. 2. Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with...
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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO2 (s) + 4 HCl(aq) →MnCl(aq) + 2 H, 0(1) + Cl (g) How much MnO, (s) should be added to excess HCl(aq) to obtain 155 mL CI, (g) at 25°C and 785 Torr? mass of Mno: 1.097 Use the van der Waals equation of state to calculate the pressure of 4.00 mol of Co,...
) The discharge reaction for a zinc-manganese dioxide battery can be represented as: Zn(s) + 2MnO2(s)...
) The discharge reaction for a zinc-manganese dioxide battery can be represented as: Zn(s) + 2MnO2(s) → ZnO(s) + 2Mn2O3(s) What quantity of charge (in coulombs) can be provided by a fully charged 1.50-V zinc-manganese dioxide photo-flash battery, if the mass of MnO2 in the battery is 9.90 g? C (b) What is the maximum amount of work (in joules) that can be obtained from this battery? J
The discharge reaction for a zinc-manganese dioxide battery can be represented as: Zn(s) + 2MnO2(s) →...
The discharge reaction for a zinc-manganese dioxide battery can be represented as: Zn(s) + 2MnO2(s) → ZnO(s) + 2Mn2O3(s) (a) What quantity of charge (in coulombs) can be provided by a fully charged 1.50-V zinc-manganese dioxide photo-flash battery, if the mass of MnO2 in the battery is 8.83 g? C (b) What is the maximum amount of work (in joules) that can be obtained from this battery? J
Question 7 1 pts The thermite reaction, used for welding iron, is the reaction of Fe3O4...
Question 7 1 pts The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al(s) + 3 Fe3O4 (s) —+ 4 A1203 (s) + 9 Fe (s) AH° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 17.2 g of Al with 70.5 g of Fe3O4? Enter...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a soluti...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
A galvanic cell is powered by the following redox reaction: MnO 2 (s) + 4 H...
A galvanic cell is powered by the following redox reaction: MnO 2 (s) + 4 H + (aq) + Zn (s) → Mn + 2 (aq) + 2 H 2 O (l) + Zn + 2 (aq) Cathode half reaction: Anode half reaction: Cell potential under standard conditions:
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO2(s) + 4 HCl(aq) + MnCl, (aq) + 2 H2O(l) + Cl2(g) How much MnO2 (s) should be added to excess HCl(aq) to obtain 285 mL C12(g) at 25 °C and 795 Torr? of Mno,: mass of MnO,
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Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO2 (s) + 4 HCl(aq) →MnCl(aq) + 2 H, 0(1) + Cl (g) How much MnO, (s) should be added to excess HCl(aq) to obtain 155 mL CI, (g) at 25°C and 785 Torr? mass of Mno: 1.097 Use the van der Waals equation of state to calculate the pressure of 4.00 mol of Co,...
Question 7 1 pts The thermite reaction, used for welding iron, is the reaction of Fe3O4 with Al. 8 Al(s) + 3 Fe3O4 (s) —+ 4 A1203 (s) + 9 Fe (s) AH° = -3350. kJ/mol rxn Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000. °C. How much heat (in kJ) is released by the reaction of 17.2 g of Al with 70.5 g of Fe3O4? Enter...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
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