In an hplc experiment to assay pesticide in a sample of fruit juice, five replicate measurements produced data corresponding to the level of detection (lod). how many replicate measurements must be performed to reach the loq for the method?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

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.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?