## Question

###### Which will have the fastest reaction rate? A. Ba(OH)2 (s) + 2 NH4Cl (s) â†’ BaCl2 (s) + 2 H2O (l)+ NH3 (g) B. 2 Ca (s) + H2O (l) â†’ 2 Ca(OH)2 (aq) C. OH- (aq) + H3O+ (aq) â†’ 2 H2O (l) D. S (s) + O2 (g) â†’ SO2 (g)

Which will have the fastest reaction rate? A. Ba(OH)2 (s) + 2 NH4Cl (s) â†’ BaCl2 (s) + 2 H2O (l) + NH3 (g) B. 2 Ca (s) + H2O (l) â†’ 2 Ca(OH)2 (aq) C. OH- (aq) + H3O+ (aq) â†’ 2 H2O (l) D. S (s) + O2 (g) â†’ SO2 (g)

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