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Which of the Following Overall Chemical Equations Is Responsible for Generating

Question 28

Multiple Choice

Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs?


A) Fe2O3(s) + Al(s) → Fe(s) + Al2O3(s)
B) Pb(s) + PbO2(s) + 2 H2SO4(aq) → 2 PbSO4(s) + 2 H2O( Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs? A) Fe<sub>2</sub>O<sub>3</sub>(s) + Al(s) → Fe(s) + Al<sub>2</sub>O<sub>3</sub>(s) B) Pb(s) + PbO<sub>2</sub>(s) + 2 H<sub>2</sub>SO<sub>4</sub>(aq) → 2 PbSO<sub>4</sub>(s) + 2 H<sub>2</sub>O( ) C) 2 NiO(OH) (s) + Cd(s) + H<sub>2</sub>O( ) → 2 Ni(OH) <sub>2</sub>(s) + Cd(OH) <sub>2</sub>(s) D) 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) → 2 H<sub>2</sub>O( ) E) N<sub>2</sub>H<sub>4</sub>( ) + O<sub>2</sub>(g) → N<sub>2</sub>(g) + 2 H<sub>2</sub>O( ) )
C) 2 NiO(OH) (s) + Cd(s) + H2O( Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs? A) Fe<sub>2</sub>O<sub>3</sub>(s) + Al(s) → Fe(s) + Al<sub>2</sub>O<sub>3</sub>(s) B) Pb(s) + PbO<sub>2</sub>(s) + 2 H<sub>2</sub>SO<sub>4</sub>(aq) → 2 PbSO<sub>4</sub>(s) + 2 H<sub>2</sub>O( ) C) 2 NiO(OH) (s) + Cd(s) + H<sub>2</sub>O( ) → 2 Ni(OH) <sub>2</sub>(s) + Cd(OH) <sub>2</sub>(s) D) 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) → 2 H<sub>2</sub>O( ) E) N<sub>2</sub>H<sub>4</sub>( ) + O<sub>2</sub>(g) → N<sub>2</sub>(g) + 2 H<sub>2</sub>O( ) ) → 2 Ni(OH) 2(s) + Cd(OH) 2(s)
D) 2 H2(g) + O2(g) → 2 H2O( Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs? A) Fe<sub>2</sub>O<sub>3</sub>(s) + Al(s) → Fe(s) + Al<sub>2</sub>O<sub>3</sub>(s) B) Pb(s) + PbO<sub>2</sub>(s) + 2 H<sub>2</sub>SO<sub>4</sub>(aq) → 2 PbSO<sub>4</sub>(s) + 2 H<sub>2</sub>O( ) C) 2 NiO(OH) (s) + Cd(s) + H<sub>2</sub>O( ) → 2 Ni(OH) <sub>2</sub>(s) + Cd(OH) <sub>2</sub>(s) D) 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) → 2 H<sub>2</sub>O( ) E) N<sub>2</sub>H<sub>4</sub>( ) + O<sub>2</sub>(g) → N<sub>2</sub>(g) + 2 H<sub>2</sub>O( ) )
E) N2H4( Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs? A) Fe<sub>2</sub>O<sub>3</sub>(s) + Al(s) → Fe(s) + Al<sub>2</sub>O<sub>3</sub>(s) B) Pb(s) + PbO<sub>2</sub>(s) + 2 H<sub>2</sub>SO<sub>4</sub>(aq) → 2 PbSO<sub>4</sub>(s) + 2 H<sub>2</sub>O( ) C) 2 NiO(OH) (s) + Cd(s) + H<sub>2</sub>O( ) → 2 Ni(OH) <sub>2</sub>(s) + Cd(OH) <sub>2</sub>(s) D) 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) → 2 H<sub>2</sub>O( ) E) N<sub>2</sub>H<sub>4</sub>( ) + O<sub>2</sub>(g) → N<sub>2</sub>(g) + 2 H<sub>2</sub>O( ) ) + O2(g) → N2(g) + 2 H2O( Which of the following overall chemical equations is responsible for generating electricity in fuel cells used in NASA's Space Shuttle programs? A) Fe<sub>2</sub>O<sub>3</sub>(s) + Al(s) → Fe(s) + Al<sub>2</sub>O<sub>3</sub>(s) B) Pb(s) + PbO<sub>2</sub>(s) + 2 H<sub>2</sub>SO<sub>4</sub>(aq) → 2 PbSO<sub>4</sub>(s) + 2 H<sub>2</sub>O( ) C) 2 NiO(OH) (s) + Cd(s) + H<sub>2</sub>O( ) → 2 Ni(OH) <sub>2</sub>(s) + Cd(OH) <sub>2</sub>(s) D) 2 H<sub>2</sub>(g) + O<sub>2</sub>(g) → 2 H<sub>2</sub>O( ) E) N<sub>2</sub>H<sub>4</sub>( ) + O<sub>2</sub>(g) → N<sub>2</sub>(g) + 2 H<sub>2</sub>O( ) )

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