Substance Specific Heat (J/kg . K) Aluminum 878 Copper 381 Iron 438 Lead 126 Ethanol 2,410 Water 4,184 Hydrogen 14,150 a. If equal amounts of energy are absorbed by equal masses of the substances in the table which will end up hottest assuming they all have the same starting temperature? b. Which substance will end up the coolest? c. Which will retain its heat the longest? d. Which will dissipate its heat the quickest? e. Which one will experience the fastest temperature change