Wavelength 3. A 262 Hertz longitudinal wave in air moves at a velocity of 340 m/s.
What is its wavelength?​

Which of the following molecules is polar? c3h7oh c2h5cooh

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)