determine how much PV work is done if 80.0 g of C2H4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
A 4.20 grams nugget of Au (pure gold) absorbed heat of 285 Joules. if the initial temperature was 22.0°C then determine the final temperature of the Au? The specific heat of Au= 0.129 J/(g·°C).