Heat/ Temperature/ Energyy Flashcards
The energy in a gallon of gasoline is?
Chemical potential energy
Energy is the ability to?
Do work or produce heat
The Law of Conservation of Energy says in a chemical reaction or physical process energy can be ______ but it cannot be ______
Created, destroyed
A measure of the average kinetic energy of the particles in a sample of matter is
Temperature
The two types of potential energy are cause by the _____ of an object
Composition or position
Kinetic energy is the energy of?
Motion
Energy flowing from warmer to cooler objects is?
Heat
What is a calorie?
Amount of heat needed to raise the temp. Of 1 gram of 1 degree C.
What is a Calorie?
1000 calories
An endothermic reaction is one which?
Absorbs energy
The study of heat changes that accompany chemical reactions is known as?
Thermochemistry
The enthalpy of fusion is the amount of heat needed to?
Melt one mole of a solid substance
What is the major problem in using solar energy at this time?
We have not come up with an efficient and effective methods for storing energy
Enthalpy of combustion is the enthalpy change that occurs with?
Complete burning of one mole of substance
Which substance is used to measure heat transfer in a calorimeter?
Water