Phase Changes - Page 5
Questions
- What could cause a gaseous substance to liquify?
- Why do liquids solidify when they are cooled?
- What does a positive or negative liquid-solid slope indicate in a phase diagram?
- Why do most organic compounds have low boiling and low melting point?
- What point is the temperature at which water begins to condense?
- Under what conditions is the freezing of water spontaneous? Why?
- What happens to the temperature during a phase change?
- When the particles throughout a liquid have enough energy to vaporize, what occurs?
- What is the melting point of pure ice at normal pressure?
- What condition applies when water boils at 100 C?
- What happens when the temperature of a liquid reaches its freezing point?
- What process allows perspiration to cool the body?
- Does dry ice melt or evaporate?
- What is a Phase diagram?
- How would you describe what occurs as ice melts?
- What is the process by which a solid, such as iodine, changes directly to a gas?
- Under normal conditions, how could you reduce air pressure?
- Which is the state change in which a gas becomes a liquid?
- What is the effect of heating up a solution with Zinc and Hydrochloric Acid that is reacting?
- What is the chemical reaction for the melting of wax?