Were both Napoleon and Hitler immigrants?
What are the different attitudes of Napoleon and Hitler towards the Jews?
恒温下,下列变化过程中,ΔrSm最大的是
A. H2O(l)→H2O(g)
B. H2O(s)→H2O(g)
C. H2O(s)→H2O(l)
D. H2O(l)→H2O(s)
下列反应在低温下均为非自发反应, 在高温下仍为非自发的是
A. N2O4(g) → 2NO2(g)
B. Fe2O3(s) +1/2C(s) → 2Fe (s) +3/2CO2(g)
C. 6C(s) + 6H2O(g) → C6H12O6(s)
D. Ag2O(s) →2Ag(s) +1/2O2(g)