How much energy is needed to raise the temperature of 58 g of gold from 32 ºC to 85 ºC? (Specific heat of gold = 0.129 J/g∙°C)

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3