Questions asked by Hazza

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• What is the enthalpy of formation of carbon monoxide in KJ/mol ? C(s) + O2(g) --> CO2(g) ΔH° = -393 kJ 2CO(g) + O2(g) --> 2CO(g) ΔH° = -588 kJ
  
• How do we identify the conjugate base for #C_2H_5OH#?
  
• Which of the following reactions is/are spontaneous? (i) #Cl_2 + 2Br^(-) -> Br_2 + 2Cl^(-)# (ii) #Br_2 + 2I^(-) -> I_2 + 2Br^(-)#
  
• The same quantity of electricity was passed through separate molten samples of aluminium oxide and sodium chloride. How many moles of sodium will be produced if 0.2 moles of oxygen gas were formed?
  
• At 273.15 K and 100kPa, 58.34 g of #"HCl"# reacts with 0.35 mol of #"MnO"_2# to produce #"7.056 dm"^3# of chlorine gas. Calculate the theoretical yield of chlorine. How do I solve this?