AP Chemistry Ch. 5 Thermochemistry Vocab Quiz

The heat content of a system at constant pressure is called

• entropy
• enthalpy
• heat
• energy

The heat required to raise the temperature of one gram of a SUBSTANCE by 1∘C

• calorie

• joule

• specific heat

• 4.184 J

The heat required to raise the temperature of WATER 1∘C

• calorie

• joule

• specific heat

• energy

Chemical reactions where energy is released is

• spontaneous

• nonspontaneous

• exothermic

• endothermic

Chemical reactions that absorb energy are called

• endothermic
• fast
• slow
• exothermic

This device is used to measure the absorption or release of heat in a chemical or physical process.

• calorimeter
• calorimetry
• heat capacity
• specific heat

The SI unit of heat and energy is the __________.

• calorie
• heat
• joule
• watt

Energy stored in the chemical bonds of the substance is called?

• kinetic energy

• potential energy

• heat

The first law of thermodynamics is basically the same as which law?

• Newton's first law
• The law of conservation of energy
• The law of conservation of momentum
• Newton's second law

The temperature change experienced by an object when it absorbs a certain amount of heat is determined by its...

• heat capacity

• enthalpy

• entropy

• potential energy