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atoms in substances react with eachother
Wiki User
∙ 12y ago
Wiki User
∙ 12y ago3) Energy is being released for metabolic activities.
lmao at Castle Learning ;P
Wiki User
∙ 8y agoA chemical change involve the transformation of reactants in products, a modification in chemical composition and structure.
Wiki User
∙ 6y agoA graphical representation is the chemical equation.
Anonymous
Which best describes a chemical change?
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Which best describes the role of enzymes in chemical reactions?
to increase the reaction rate
Which pair of terms best describes the type of change that occurred in the reaction hydrogen plus oxygen leads to water plus energy?
chemical and exothermic
What equation best describes an Arrhenius acid base reaction?
This is a neutralization reaction.
Which best describes a chemical oxidation?
loss of electrons
What best describes a balanced reaction?
A reaction that has the same number and type of atoms on each side of the equation
Which statements best describes what happens during a chemical reaction?
Chemical bonds are broken and new ones are formed
Which best describes the role of enzymes in chemical reactions?
to increase the reaction rate
What is a characteristic that best describes what happens during a physical change?
There are no chemical changes.
What phrase best describes a exothermic chemical reaction?
A chemical change that gives off heat. Burning paper would be an example.
What is a statement that best describes an enzyme?
An enzyme is a chemical produced by a living organism which acts as a catalyst in a biochemical reaction.
What statement best describes the role of gametocytes in the spread of malaria?
they cause a chemical reaction that alters human scent
What word best describes what happens in a book?
The word that best describes what happens in a book is plot.
Which pair of terms best describes the type of change that occurred in the reaction hydrogen plus oxygen leads to water plus energy?
chemical and exothermic
What equation best describes an Arrhenius acid base reaction?
This is a neutralization reaction.
What best describes a neutraliztion reaction?
Salt water
When a car burns fuel which of following best describes what happens to the energy of the system?
Chemical energy is transformed to mechanical energy and some heat energy
Which best describes a chemical oxidation?
loss of electrons
