Multiple Choice
Which of the following is the correctly balanced chemical equation for the combustion of propane (C_3H_8)?
3. Chemical Reactions
Balancing Chemical Equations
Back3. Chemical Reactions
Balancing Chemical Equations
- Multiple ChoiceWhy must chemical equations be balanced?
- Multiple ChoiceWhen potassium hydroxide (KOH) reacts with hydrochloric acid (HCl), which of the following represents the correct products of the reaction?
- Multiple ChoiceWhich of the following correctly balances the half-reaction for the reduction of nitrate ion in acidic solution, including hydrogen atoms and charges?NO_3^- → NO_2
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the reaction of S_8 with O_2 to form SO_2?
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation, including phases, for the reaction of aqueous Pb(ClO3)2 with aqueous NaI?1views
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the decomposition of dinitrogen trioxide (N2O3) into nitrogen gas and oxygen gas?
- Multiple ChoiceWhich of the following correctly balances the chemical equation: CaH2 + H2O → Ca(OH)2 + H2?
- Multiple ChoiceWhich of the following chemical equations is balanced?
- Multiple ChoiceWhich of the following is the correct nuclear equation for the fusion of hydrogen-3 (tritium) with hydrogen-1 (protium) to form helium-4?
- Multiple ChoiceWhich statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O?
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the combustion of magnesium?
- Multiple ChoiceWhich of the following is the balanced chemical equation for photosynthesis?
- Multiple ChoiceWhich of the following represents the balanced chemical equation for the cell diagram: Al(s) | Al^{3+}(aq) || Cd^{2+}(aq) | Cd(s)?
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the reaction: 2CH4(g) → C2H6(g) + H2(g)?