Discover Questions

Square root of 5.10 = 1.000+x/1.000-x
I know the answer is 0.3861 I just don't know the steps to getting this answer. Please help.? Why an emission spectrum of hydrogen atom consists of series of lines? Hi guys, In this compound (NH4)2Cr2O7 How can I determine the oxidation number for N and Cr? If H= +1 and O=-2? Always white sometime brown, builds your bones when it goes down whats the answer of this question? (2x10 negative 4) (2x10 negative 1)?