What is the sum of all coefficients when the following equation is balanced using the smallest possible whole numbers? _CH2+ _O2 = __CO2 + _ H,O 05 O 11 07 O 13 The relative molecular mass of a gas is 56 and its empirical formula is CH2. What is the molecular formula of the gas? OC2H4 OC4HB O CH2 Oc Identify each of the following descriptions as lonic Bond (1) or Covalent Bond (C) Between a metal and non-metal [Choose Electrons transferred between atoms [ Choose > Between two non-metal atoms [Choose) Electrons shared between atoms [Choose Determine which type of chemical bond forms for the compound described below MgO [Choose [Choose K20 Choose > CH4 Choose CO [Choose . N2 [Choose) . . Balance the reaction and give the reaction type (Synthesis, Decomposition, Single Replacement or Double Replacement) Ca + HO Ca(OH)2+ H2 12+ AL = Alls AI(NO3)3 + Li2SO3 Al2(SO3)3 + LINO3 CSIO, - Cs+ O2