Chemistry [Chemical Formula - Gases]

Question 1

Emipirical Formula

Answer 1

simplest ratio of the number of atoms of the elements in a compound

Question 2

Molecular Formula

Answer 2

the actual number of atoms of an element in a molecule of a compound

Question 3

Formula Mass

Answer 3

sum of all the atomic masses

Molecular and Empirical ass

Question 4

Mole

Answer 4

the amount of substance that contains the same number of elementary entities

Question 5

Avogadro’s Number

Answer 5

number of elementary entities in one mole of any substance

6.02x10^23 particles per mole

Question 6

Molar Mass

Answer 6

mass of one mole of an atom, element, molecule, and other compounds

Question 7

Molecular Mass

Answer 7

the mass of a molecule which is the combination of the atomic masses

Question 8

Oxidation number

Answer 8

number of electrons atom can share, lose or gain

Question 9

Percent Composition

Answer 9

the chemical composition can be expressed in terms of mass percent

Question 10

Naming Inorganic Compounds

Answer 10

Ionic Compounds
Molecular Compounds or Covalent Compounds
Binary Acids
Oxyacids
Hydrocarbons

Question 11

Ionic Compounds

Answer 11

metal and nonmetal

Question 12

Covalent Compounds

Answer 12

nonmetals, greek prefixes

Question 13

Binary Acids

Answer 13

Hydrogen and nonmetal

Question 14

Oxyacids

Answer 14

Hydrogen and oxyanion (nonmetallic oxide)

Question 15

Hydrocarbon

Answer 15

organic compounds that contains the elements carbon and hydrogen

Question 16

Biochemical Bases of Life

Answer 16

molecules that make up the structure of living things are mostly organic compounds

Question 17

Carbohydrates

Answer 17

Building Blocks: monosaccharides

Question 18

Types of Carbohydrates

Answer 18

Simple Sugars - glucose, galactose, fructose
Disaccharides - sucrose, lactose, maltose
Polysaccharides - starch, glycogen, cellulose

Question 19

Lipids

Answer 19

not soluble in water

Building Blocks: fatty acids and glycerol

Question 20

Types of Lipids

Answer 20

Simple - Fatty Acids and Fats and oils

Compounds - Phospholipids, Glycolipids, Sterols

Question 21

Protein

Answer 21

most complex and diverse molecules

Building Blocks: amino acids (there are 20 essential amino acids)

Question 22

Types of Protein

Answer 22

Membrane
Structural
Catalytic
Storage
Transport
Contractile

Question 23

Nucleic Acids

Answer 23

coding and transmission of hereditary traits

Building Blocks: nucleotides

Question 24

Nucleotide has three components

Answer 24

Phosphate group
ribose or deoxyribose
Nitrogenous Base - purine (adenine and guanine) pyrimidine ( Thymine and cytosine) [Adenine and Thyme, Guanine and Cytosine]

Question 25

types of nucleic acids

Answer 25

DNA and RNA

Question 26

three types of RNA

Answer 26

Transfer messenger ribosomal

Question 27

Chemical Reaction

Answer 27

reactants transform to a product

Question 28

Chemical Equation

Answer 28

representation of a chemical reaction; must always be balanced

Question 29

Types of Chemical Reaction

Answer 29

``` Combination Decomposition Single Replacement Double Replacement Combustion ```

Question 30

Combination

Answer 30

two or more substances combine to form ONE substance

Question 31

Decomposition

Answer 31

breaking down of one substance to two or more

Question 32

Single Replacement

Answer 32

an element replaces another element in a give compound

Question 33

Double Replacement

Answer 33

ions of two different reacting compounds exchange to form a new compound

Question 34

Combustion Reaction

Answer 34

reacts with oxygen and undergoes rapid oxidation

Question 35

stoichiometry

Answer 35

relates the quantitative amount of reatant to products

Question 36

Limiting Reactant

Answer 36

completely consumed in a reaction | the quantity of the products formed is dependent on the amount of the limiting reactant

Question 37

Excess Reactant

Answer 37

not fully consumed in a chemical reaction

Question 38

Theoretical Yield

Answer 38

the calculated quantity of a product

Question 39

Actual Yield

Answer 39

quantity produced experimentally

Question 40

Percent Yield

Answer 40

TY/AY x 100%

Question 41

Reduction-Oxidation

Answer 41

a reaction which involves an oxidation | the number of electrons lost must be equal to the number of electrons gained

Question 42

Boyle's Law

Answer 42

pressure-volume inversely proportional p1 v1 = p2 v2

Question 43

Charle's Law

Answer 43

Temperature-volume directly proportional v1 t1 = v2 t2

Question 44

Gay-Lussac's Law

Answer 44

temperature-pressure directly proportional t1 p1 = t2 p2

Question 45

Avogadro's Law

Answer 45

the amount of substance-volume directly proportional v1/n1 = v2/n2

Question 46

Ideal Gas Law

Answer 46

PV = nRT

Question 47

Graham's Law of Effusion

Answer 47

rate of effusion of gases-square root of ratio of their molar masses inversely proportional

Question 48

Effusion

Answer 48

describe the passage of a gas through a tiny opening