ENCE 433 Dr. Alba Torrents
ENVIRONMENTAL ENGINEERING ANALYSIS Fall 1996
Homework Set # 1 Out: September 12 Due: September 19
1. In how many kilograms of water should 293 g of NaCl be dissolved
to obtain a 0.25-molal solution?
2. You are told to choose a reactant for use on a lunar expedition to remove CO2 from the cabin atmosphere. The only consideration is minimum weight. That is, which of the hydroxides bellow contributes the lest weight to the environmental control system?
3. For the process
determine G at 25oC and 1 atm.
Which statement is correct at this T?