Chemistry Spring Final

Question 1

Which process describes the movement of water through a semipermeable membrane?

Accepted Answer

Osmosis

Question 2

Which reaction involves two compounds swapping elements or ions?

Accepted Answer

Double-replacement reaction

Question 3

What is thermochemistry?

Accepted Answer

The study of heat changes in chemical reactions

Question 4

What is the function of an enzyme?

Accepted Answer

To act as a catalyst in biochemical reactions

Question 5

What type of bond links amino acids together in proteins?

Accepted Answer

Peptide bond

Question 6

A solid in which atoms are arranged in an orderly repeating pattern is called:

Accepted Answer

Crystalline solid

Question 7

What is heat in scientific terms?

Accepted Answer

The total kinetic energy of particles in a substance

Question 8

What is the simplest form of carbohydrates?

Accepted Answer

Monosaccharides

Question 9

Which term describes the substances that undergo change in a chemical reaction?

Accepted Answer

Reactants

Question 10

What are proteins made of?

Accepted Answer

Amino acids

Question 11

What is a chemical reaction?

Accepted Answer

A process in which substances change into new substances

Question 12

What type of reaction occurs when two or more reactants combine to form a single product?

Accepted Answer

Synthesis reaction

Question 13

The temperature at which a solid turns into a liquid is called:

Accepted Answer

Melting point

Question 14

Which substance is dissolved in a solvent when creating a solution?

Accepted Answer

Solute

Question 15

What is the function of a buffer solution?

Accepted Answer

To resist changes in pH

Question 16

A solution in which the solute is dissolved in water is called:

Accepted Answer

An aqueous solution

Question 17

What type of reaction occurs when one element replaces another in a compound?

Accepted Answer

Single-replacement reaction

Question 18

What does a catalyst do in a chemical reaction?

Accepted Answer

Speeds up the reaction without being consumed

Question 19

Which intermolecular force occurs when hydrogen bonds with oxygen, nitrogen, or fluorine?

Accepted Answer

Hydrogen bond

Question 20

Which type of reaction involves a substance reacting with oxygen, often releasing heat and light?

Accepted Answer

Combustion reaction

Question 21

What is metabolism?

Accepted Answer

The sum of all biochemical reactions in an organism

Question 22

What term describes a collision where no kinetic energy is lost?

Accepted Answer

Elastic collision

Question 23

What is free energy?

Accepted Answer

Energy available to do work in a system

Question 24

Which substance lowers the surface tension of a liquid?

Accepted Answer

Surfactant

Question 25

Which factor directly influences the kinetic energy of particles?

Accepted Answer

Temperature

Question 26

What does the second law of thermodynamics state?

Accepted Answer

The entropy of the universe is always increasing

Question 27

The kinetic-molecular theory explains the behavior of:

Accepted Answer

Gases, liquids, and solids

Question 28

What defines an acidic solution?

Accepted Answer

A solution with a pH below 7

Question 29

The substances formed as a result of a chemical reaction are called:

Accepted Answer

Products

Question 30

What is activation energy?

Accepted Answer

The energy needed to start a chemical reaction

Question 31

The gradual conversion of a liquid to a gas below its boiling point is:

Accepted Answer

Evaporation

Question 32

What does pOH measure?

Accepted Answer

The concentration of hydroxide ions in a solution

Question 33

Which unit measures energy related to heat?

Accepted Answer

calorie

Question 34

What does pH measure?

Accepted Answer

The concentration of hydrogen ions in a solution

Question 35

What device is used to measure atmospheric pressure?

Accepted Answer

Barometer

Question 36

What is a salt in chemistry?

Accepted Answer

A compound formed from an acid and a base reaction

Question 37

Which law states that energy cannot be created or destroyed, only transferred?

Accepted Answer

Law of conservation of energy

Question 38

Which reaction type involves a single compound breaking down into simpler substances?

Accepted Answer

Decomposition reaction

Question 39

Which property describes a liquid’s resistance to flow?

Accepted Answer

Viscosity

Question 40

What is a spontaneous process?

Accepted Answer

A reaction that occurs without outside energy input

Question 41

What does an inhibitor do in a reaction?

Accepted Answer

Slows down or prevents the reaction

Question 42

A mixture where particles settle out over time is called a:

Accepted Answer

Suspension

Question 43

A solid lacking a structured internal arrangement is called:

Accepted Answer

Amorphous solid

Question 44

What is an enzyme’s active site?

Accepted Answer

The region where substrates bind for a reaction

Question 45

What is saponification?

Accepted Answer

The process of making soap using fats and bases

Question 46

The process by which gas turns into a liquid is called:

Accepted Answer

Condensation

Question 47

The temperature at which a liquid becomes a solid is called:

Accepted Answer

Freezing point

Question 48

What defines a basic solution?

Accepted Answer

A solution with a pH above 7

Question 49

The movement of particles from high to low concentration is called:

Accepted Answer

Diffusion

Question 50

Which type of solution contains the maximum amount of solute for a given solvent?

Accepted Answer

Saturated solution

Chemistry Spring Final

Questions 50

Chemistry Spring Final

Questions 50