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The Fuel Cells Used Aboard NASA's Space Shuttles Are Electrochemical $\to$

Question 32

Multiple Choice

The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction?

A) Fe₂O₃(s) + Al(s) $\to$ Fe(s) + Al₂O₃(s)
B) Pb(s) + PbO₂(s) + 2 H₂SO₄(aq) $\to$ 2 PbSO₄(s) + 2 H₂O( $The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction? A) Fe2O3(s) + Al(s) \to Fe(s) + Al2O3(s) B) Pb(s) + PbO2(s) + 2 H2SO4(aq) \to 2 PbSO4(s) + 2 H2O( ) C) 2 NiO(OH) (s) + Cd(s) + H2O( ) \to 2 Ni(OH) 2(s) + Cd(OH) 2(s) D) 2 H2(g) + O2(g) \to 2 H2O( ) E) N2H4( ) + O2(g) \to N2(g) + 2 H2O( )$ )
C) 2 NiO(OH) (s) + Cd(s) + H₂O( $The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction? A) Fe2O3(s) + Al(s) \to Fe(s) + Al2O3(s) B) Pb(s) + PbO2(s) + 2 H2SO4(aq) \to 2 PbSO4(s) + 2 H2O( ) C) 2 NiO(OH) (s) + Cd(s) + H2O( ) \to 2 Ni(OH) 2(s) + Cd(OH) 2(s) D) 2 H2(g) + O2(g) \to 2 H2O( ) E) N2H4( ) + O2(g) \to N2(g) + 2 H2O( )$ ) $\to$ 2 Ni(OH) ₂(s) + Cd(OH) ₂(s)
D) 2 H₂(g) + O₂(g) $\to$ 2 H₂O( $The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction? A) Fe2O3(s) + Al(s) \to Fe(s) + Al2O3(s) B) Pb(s) + PbO2(s) + 2 H2SO4(aq) \to 2 PbSO4(s) + 2 H2O( ) C) 2 NiO(OH) (s) + Cd(s) + H2O( ) \to 2 Ni(OH) 2(s) + Cd(OH) 2(s) D) 2 H2(g) + O2(g) \to 2 H2O( ) E) N2H4( ) + O2(g) \to N2(g) + 2 H2O( )$ )
E) N₂H₄( $The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction? A) Fe2O3(s) + Al(s) \to Fe(s) + Al2O3(s) B) Pb(s) + PbO2(s) + 2 H2SO4(aq) \to 2 PbSO4(s) + 2 H2O( ) C) 2 NiO(OH) (s) + Cd(s) + H2O( ) \to 2 Ni(OH) 2(s) + Cd(OH) 2(s) D) 2 H2(g) + O2(g) \to 2 H2O( ) E) N2H4( ) + O2(g) \to N2(g) + 2 H2O( )$ ) + O₂(g) $\to$ N₂(g) + 2 H₂O( $The fuel cells used aboard NASA's Space Shuttles are electrochemical cells that generate electricity from which overall chemical reaction? A) Fe2O3(s) + Al(s) \to Fe(s) + Al2O3(s) B) Pb(s) + PbO2(s) + 2 H2SO4(aq) \to 2 PbSO4(s) + 2 H2O( ) C) 2 NiO(OH) (s) + Cd(s) + H2O( ) \to 2 Ni(OH) 2(s) + Cd(OH) 2(s) D) 2 H2(g) + O2(g) \to 2 H2O( ) E) N2H4( ) + O2(g) \to N2(g) + 2 H2O( )$ )

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