An unknown substance has a mass of 25.7 g. The temperature of the substance increases by 12.3 degree C when 74.3 J of heat is added to the substance. What is a possible identity of the substance, based on the table below that lists the specific heat capacities of select substances? silver aluminum water iron copper lead Substance Specific Heat Capacity (J/g . degree C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184