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参考答案:12530;12530300
Soft colors like pink and light blue make people ______, so they spend more time ______ their meals. [ ]
A. relax; eat
B. relaxed; ate
C. relaxed; eating
D. relaxing; eating
下列过程一定不能自发进行的是
A.2N2O5(g)=4NO2(g)+O2(g);ΔH>0
B.2CO(g)=2C(s)+O2(g);ΔH>0
C.(NH4)2CO3(s)=NH4HCO3(s)+NH3(g);ΔH>0
D.2H2(g)+O2(g)=2H2O(l);ΔH<0