Which of the following reactions is (are) spontaneous at standard conditions? A) 2NO3^-(aq) + 8H^+(aq) + 6Cl^- —> 2NO(g) + 4H2O + 3Cl2(g)

B) O2(g) + 4H^+(aq) + 4Cl^-(aq) —> 2H2O + 2Cl2(g)

C) 3Fe(s) + 2AuCl4^-(aq) —> 2Au(s) + 8Cl^-(aq) + 3Fe^2+(aq)

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)