Which of these is a pair of isotopes? na+ and na cl-35 and cl-37 f and cl o2 and o3?

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa