chemistry 30 unit a and b on thermochemstriy and electrochemistry.

Question 10 (1 point)(H,Brig) + Hyg) - CH,(g) + HBng) AH- -73.6 4)The molar heat bf formation for methyl bromide, CH,Brig). is -& I'molQuestion 9 (1 point)(Record your three-digit answer)How much heatis produced when 1.0Op of butene in a disposable lighter is completely burned to forpigeons carbon dioxide and water vapourtQuestion 11 (1 point)In an exportment, a slucent boated 500 p of water from 25.7Co 91.0'C using 0.133 mal of ethanol. Ma:is assumed that all the heat energy was absorbed by the calorimeter water, the experimental mular enthalpy045.7hof combustion for cilanel was theMymol.(Record your three-digit answer)on 12 (1 point)The thermochemical equation that represents the molar enthalpy of formation for ethanol isK -1.1 x 10-16OCH,OH() + 27761J - 20(3) + 3 Hyp) + 1/20)209) + 3 Hyp) + 120 2) - CHOH(1) + 2736 KJOCH,OH(0) + 30 2)-2002(3) - 3 H-(@) +1234.8 kJQuestion 13 (1 point)In the reaction 2 Fe-(aq) + Ary(l) -+ 2Fe (my) + 2 Artaq) . the Fedgoalloses electrons and undergoes reductionloses electrons and undergoes oxidationgoin elections and undergoes oxidationgains electrons and undergoes redactionMixgram