Unit 10 Vocab Quiz

spontaneous processes always proceed in such a way that the entropy of the universe increases; total entropy is constant if and only if the process is reversible

• 2nd law of thermodynamics

• atmospheric pressure

• enthalpy

• entropy

the force exerted on the earth’s surface by the weight of the air above it

• atmospheric pressure

• cooling curve

• phase diagram

• vapor pressure

a line graph that represents the phase change of matter from a gas to a liquid and then to a solid

• cooling curve

• heating curve

• vapor pressure curve

• triple point

the conversion of a gas/vapor to a liquid through cooling

• condensation

• deposition

• phase diagram

• enthalpy

a phase transition in which a gas transitions to the solid phase without first becoming a liquid

• deposition

• condensation

• enthalpy

• entropy

a type of reaction in which heat is absorbed by the system from its surroundings

• endothermic reaction

• exothermic reaction

• triple point

• vapor pressure

the heat content of a system at constant pressure

• enthalpy

• entropy

• vapor pressure

• sublimation

a measure of a system’s disorder

• entropy

• enthalpy

• exothermic reaction

• sublimation

a type of reaction in which heat is exerted by the system to its surroundings

• exothermic reaction

• endothermic reaction

• condensation

• cooling curve

a line graph that represents the phase change of matter from a solid to a liquid and then to a gas

• heating curve

• cooling curve

• deposition

• vapor pressure curve