- Hi i need help on my chemistry test you think you can help me out?

Discover Questions

The fourth line of Balmer series has a wavelength of 410nm. Calculate it frequency? How would i solve this physics problem (I'm getting it wrong over and over agin)? What's the cosine and sine of 10 degrees in a fraction ? When there is a tsunami why dont they just swim behind the wave? is it not safer to be behind it then infront of it? Find the equation of the plane passing through the points (1,1,2) and (2,4,3) and perpendicular to the plane x-3y+7z+5=0.help me out thanks?