Choose starting materials and reagents from the following tables for synthesis of methionine by either the acetamidomalonate or reductive amination method. Specify starting material (by number) first. Specify reagents in order of use (by letter) second. Example: 2be

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Using the periodic table, complete the table to describe each atom. type in your answers

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?