Chemical Equations Vocab Flashcards
(21 cards)
Reactants
Chemical substance you start with
Inhibitors
Slow down or stop chemical reactions
Catalyst
Speed up chemical reactions
Enzyme
Protein based catalyst
Products
Chemical substance after the reaction
Conservation of Mass
Matter can be changed from one form to another, mixed, decomposed, but mass does not change
Precipitate
substance to be deposited in solid form from a solution
Matter
Anything that takes up space
Color and shape are examples of a substance’s _________ property
Physical
All enzymes are ___________, but not all ____________ are enzymes.
Catalysts; Catalysts
What is an example of a common inhibitor and what does it do?
Inhibitors stop or slow down reactions. Ex: Salt is an inhibitor, Salt stops snow from rotting
What are the five signs/evidence of a reaction?
Temperature change, color change, bubbles are formed, change in smell or taste, Precipitate is formed
What speeds up digestion in the human stomach?
Enzymes
In a chemical equation, what is found on the left side?
reactants
The ____________ are the resulting substances after a reaction
Products
What does the arrow symbolize in a chemical equation?
The arrow symbolizes what the reactants yield
Open system
Matter and heat can be exchanged with the surrounding
Closed system
Only heat is exchanges with the surrounding
Give an example of a typical precipitate
Rain, Snow,Hail, etc
The mass at the end of a reaction is always the same
True
What type of reaction occurred in electrolysis
Decomposition
