和NaOH(s) P2O5(s) CuSO4(s)可以分为一类的.A CuO(s) B CaO(s)
和NaOH(s) P2O5(s) CuSO4(s)可以分为一类的.A CuO(s) B CaO(s)
CaCO3(s)→CO2(g)+CaO(s)-157KJ;C(s)+O2(g)+393.5KJ
NaOH(浓)+S生成什么!
S+NaOH如何反应(方程式)
Miss Green is a friend of( ) A.mary's mother's B.mary's moth
(2s+1)-3(s的平方-s+2)
烧制石灰时发生反应:CaCO3(s)=CaO(s)+CO2(g)
CaCO3(s)=CaO(s)+CO2(g) 写出标准平衡常数表达式
What's on ( )desk?A.teachers B.teacher's C.the teacher's
已知char **s;下面正确语句是()A,s="ABCDEF";B,*s="ABCDEF";C,**s="ABCDEF
已知100g CaCO3(S)分解生成CaO(S)和CO2(g)需要吸收178kJ热量,12gC(S)燃烧生成
判断句子结构A.S+V B.S+V+DO C.S+V+P D.S+V+IO+DO E.S+V+DO+OC1.()How