Biochemical Reactions Flashcards
In _____, plants absorb light energy and transform it into chemical energy in the form of glucose.
Photosynthesis
A _____ is a substance that forms as a result of a chemical reaction.
product
A substance that starts a chemical reaction is known as a reactant. What forms as a result of a chemical reaction?
Product
_____ is the study of the chemical substances and reactions occurring in living organisms.
Biochemistry
Water (H2O) forms from hydrogen (H+) and oxygen (O2). Which chemical equation represents the formation of water from these two elements?
2H2 + O2 → 2H2O
In the burning of methane, what are the reactants?
methane (CH4) and oxygen (O2)
A reactant is a substance that is formed as a result of a chemical reaction.
false
A process which involves changing chemical substances into others is known as a nuclear reaction.
false
A substance that forms as a result of a chemical reaction is called a ________.
product
How does conservation of matter apply to chemical reactions?
The amount of each element is the same in the products and reactants.
In a chemical reaction, the quantity of each element does not change.
true
A __________ is a substance involved in a chemical reaction that is present at the beginning of the reaction.
reactant
In a chemical reaction, matter is always conserved.
true
The atoms are rearranged in a chemical reaction and no new atoms are created in the product.
true
