What is the frequency, in Hz, of electromagnetic radiation that has a wavelength of 1.25m

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest