Question

Suppose the brain needs to metabolizes about 4 g glucose (C6H1206, MW =180 g/mol) per hour. Given that the enthalpy of combustion of glucose in this metabolism reaction is AH comb = -2,808 kJ/mol, about how much energy does the brain use per day? A. 700 kJ B. 1,500 kJ C.8,400 kJ D. 11,000 kJ E. 17,000 kJ

Answer 1

ç Hizoo ua / AY AH = -2808 kg /mol ug Ihr ene brain needs per day = 4X24 = 96 gm g Energy nealed - 96 180 2808 =1497.6 kJ = 1500kg (B)