About the properties of water
题目
About the properties of water
What is the difference between cohesive force and high surface tension
p.s.Chinese is available.
答案
The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.The molecules at the surface do not have other like molecules on all sides of them and conseque...
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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