4.定义g□K=gK+g2,g◇K=g+3K,则(2□3)(3◇2)=____________________.
奇函数f(x)定义域是(k,2k+3),则函数g(x)=(k+2)x^2+(k-1)x+3的递减区间是
已知298K时,合成氨反应:N2(g)+3H2(g)=2NH3(g) △H1=
根据化学反应方程式 N2(g)+3H2(g)≒2NH3(g) △H= -92.4K
已知:反应NH3(g)=1/2N2(g) 3/2H2(g)的标准平衡常数为KΘ,则2NH3(g)=N2(g) 3H2(g
某温度时,N2(g)+3H2(g)==2NH3(g)的平衡常数K=a,则此温度下,NH3(g)==1/2N2(g)+3/
已知298K时,N2(g)+3H2(g)=2NH3(g)的△G(θ)=-33kJ·mol-1,则NH3(g)=1/2N2
求无机化学答案、已知在673k下,3H2(g)+N2(g) = 2NH3(g)的K为5.7×10^4.求反应2/3H2(
K-1+K+2+K/3+K*3=2001
请问1^k+2^k+3^k+.+n^k=?
3×k×k-2k-1=-1.k等于
用定义证明:(2)函数g(x)=k/x(k<0,k为常数)在(-无穷,0)上是增函数
已知298K时,合成氨反应N2(g)+3H2(g)=2NH3(g)△H=-92.2KJ/MOL,将此温度下的1MOLN2