Calculate the energy in joules and the wavelength in nanometers of the spectral line produced in the hydrogen spectrum when an electron falls from the tenth bohr orbit to the fourth. in which region of the electromagnetic spectrum (uv, visible, or infrared) is the line? report all numerical answers to three significant figures.

Calculate the number of moles of ethane in 100 grams

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

How do you lengthen a pattern piece? (family and consumer science, sewing)