I need help with #25 ASAP .. I have to get it done today.. I need help with #25 right now... I'm not playing no games right now

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?