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Which pair of terms best describes the type of change that occurred in the reaction hydrogen plus oxygen leads to water plus energy?
Chemical change and exothermic. In this reaction, hydrogen and oxygen undergo a chemical change to form water, releasing energy in the form of heat and light.
What type of chemical reaction do glow sticks best represent?
Glow sticks best represent a chemical reaction known as chemiluminescence, where light is produced as a result of a chemical reaction without the need for heat.
What best describes a balanced reaction?
A reaction that has the same number and type of atoms on each side of the equation
Which of the following best describes spectator ions?
(Apex) Ions that do not participate in the reaction
What best describes a single -replacement reaction?
A single-replacement reaction is a type of chemical reaction where an element replaces another element in a compound. This occurs when a more reactive element displaces a less reactive element from its compound, forming a new compound and releasing the displaced element.
Which statements best describes what happens during a chemical reaction?
Chemical bonds are broken and new ones are formed
What statement best describes the role of gametocytes in the spread of malaria?
they cause a chemical reaction that alters human scent
What phrase best describes a exothermic chemical reaction?
A chemical change that gives off heat. Burning paper would be an example.
What word best describes what happens in a book?
The word that best describes what happens in a book is plot.
What best describes a neutraliztion reaction?
Salt water
Which pair of terms best describes the type of change that occurred in the reaction hydrogen plus oxygen leads to water plus energy?
Chemical change and exothermic. In this reaction, hydrogen and oxygen undergo a chemical change to form water, releasing energy in the form of heat and light.
What type of chemical reaction do glow sticks best represent?
Glow sticks best represent a chemical reaction known as chemiluminescence, where light is produced as a result of a chemical reaction without the need for heat.
What best describes a balanced reaction?
A reaction that has the same number and type of atoms on each side of the equation
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
What best describes Pip's reaction to the man?
Curious and puzzled.
What is the best describes a neutralization reaction?
A neutralization reaction has as reactants a base and an acid and as products water and a salt.
What term best describes the phrase something that happens?
"Event" is a term that best describes the phrase "something that happens" as it denotes a happening or occurrence at a specific point in time.
