Science

Question 1

States that the amount of substance is directly proportional to volume, provided that temperature and pressure remain constant

Answer 1

Avogadro’s Law

Question 2

Avogadro’s law equals to

Answer 2

6.022x10^23

Question 3

one of the major macromolecules which provides energy for our muscles and fuel our brain

Answer 3

Carbohyrate

Question 4

breaks down carbohydrate during the process of ____ to release energy

Answer 4

Metabolism

Question 5

How do lipids function for cells

Answer 5

Store energy

Question 5

molecules that make up carbohydrates

Answer 5

Carbon, hydrogen, oxygen

Question 6

_____ are macromolecules made up of amino acids

Answer 6

Protein

Question 6

building blocks of carbohydrates

Answer 6

Monosaccharides

Question 7

contains carbon, hydrogen, oxygen, nitrogen, and are found in all living beings

Answer 7

Nucleic acids

Question 8

They are linear macromolecules formed by the polymerization of units called ___

Answer 8

Nucleotides

Question 9

Is a process in which one or more substances, also called reactants are converted to one or more different substances

Answer 9

Chemical reaction

Question 10

where are reactants located

Answer 10

Left side

Question 11

Evidences of occurences of chemical reaction (5)

Answer 11

Color changes, Temperature changes, Precipitates, Light emission, Gas Production

Question 12

A white sheet of paper turning into ashes after being burned

Answer 12

Color changes

Question 13

Exothermic reactions give off heat while endothermic reactions absorb heat

Answer 13

Temperature changes

Question 14

A precipitate is an insoluble liquid that emerges from a liquid solution

Answer 14

Precipitates

Question 15

is a rapid chemical reaction of a subtance with oxygen

Answer 15

Combustion

Question 16

production of heat and light

Answer 16

LigHT EMMISION

Question 17

The electrolysis of water for example is a decomposition reaction that breaks water into hydrogen and oxygen gas

Answer 17

Gas Productionis a substances used up during a chemical reaction

Question 18

is a substance formed after a chemical reaction

Answer 18

Product

Question 19

used to separate one reactant or product from another

Answer 19

+

Question 20

Used to separate the reactants from the products - it is pronounced as yields or produces when the equation is read

Answer 20

—–>

Question 21

used when the reaction can proceed in both direction, this is called an equilibrium flow

Answer 21

<——-
——–>

Question 22

a REACTION when 2 or more reactants combine to form a single product

Answer 22

Combination Reaction

Question 23

General formula for combination reaction

Answer 23

A + B —> AB

Question 24

In this reaction, a single reactant breaks down simpler ones (2 or more products) opposite of combination

Answer 24

Decomposition reaction

Question 25

General formula for decomp reaction

Answer 25

AB —-> A + B

Question 26

When one element replaces another element from another compound

Answer 26

Single displacement reaction

Question 27

General formula for single displacement reaction

Answer 27

A + B —-> AC + B

Question 28

When positive ions (cations) and negative ions (anions) of different compounds switch places, forming two entirely different compounds

Answer 28

AB + CD —> AD + CB

Question 29

wHEN oxygen combines with a hydrocarbon

Answer 29

combustion reaction

Question 30

A special kind of double displacement reaction that takes place when an acid and base react with eachother

Answer 30

Acid-base reaction

Question 31

change in size

Answer 31

Physical change

Question 32

change in texture

Answer 32

CHEMICAL CHANGE

Question 33

is neither created or destroyed

Answer 33

matter