Vocab
Chemical Reaction- Definition
The process by which one or more substances change to produce one or more different substances.
Chemical bonds from when heat is released
Exothermic
Do candles release thermal energy?
Yes
Which of the following statements regarding bond energies is FALSE?
A. All chemical bonds are hard to break?
B. Some chemical bonds are easier to break than others?
C. Every chemical bond has its own unique bond energy
A.
Who won this years superbowl
LA Rams
Endothermic Reaction- definition
A chemical reaction in which heat is absorbed.
Water vapor in the air releases heat and condenses into rain droplets
Exothermic
Do ice cubes release thermal energy?
Yes
What Specifally determines how much energy is available in a molecule?
A. The number of atoms in the molecule
B. Whether the molecule is a reactant or a product
C. The number and types of bonds within the molecule
C.
Who was the player to score 100 points in a single game (NBA).
Wilt Chamberlain
Product- definition
A substance produced during a chemical reaction
Combustion reaction (burning) of a match gives off heat and light
Exothermic
Are animals able to use radiant energy to make glucose?
No
How do scientists determine whether a chemical reaction releases or stores energy?
A. Scientists can calculate the bond energies of the reactants.
B. Scientists know that each chemical has its own unique bond energy.
B.
What teams did Babe Ruth play for
NY Yankees
BOS Red Sox
Reactant- definition
A substance that takes part in and undergoes change during a chemical reaction.
Fried eggs absorb heat from a pan
Endothermic
What happens in a exothermic reaction?
A process that releases heat.
What type of chemical reaction occurs when more energy is released during the chemical reaction than is needed to start the chemical reaction?
A. A bond energy reaction
B. An exothermic reaction
C. A endothermic reaction.
B.
Which College team won the National Championship
Georgia Bulldogs
Thermal Energy- definition
The total kinetic (motion) energy of the tiny particles that make up matter; the faster the particles move, the warmer the matter becomes.
Photosynthesis by a tree absorbs energy to break apart carbon dioxide and water to produce glucose
Endothermic
Do ALL chemical reactions include change in energy?
Yes they do
Some chemical reactions release energy. Others store energy. What important chemical reaction stores energy?
A. The burning of fossil fuels.
B. Combustion reactions.
C. Photosynthesis
C.
What team does Messi play on
Paris-Saint Germain