Based on the "Heating Curve for Wax," what is the boiling point for wax? 50°C 155°C 255°C or 340°C

Which of the following best explains what happens when the kinetic energy of particles in a liquid state decreases?

When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what's the efficiency percentage of the fuel cell?

Suppose that a block is pulled 16 meters across a floor. what amount of work is done if the force used to drag the block is 22 n? a. 352 j b. 200 j c. 220 j d. 330 j