Chemistry Flashcards

0
Q

Acid alkali neutralization reactions

A

When an acid is mixed with alkaline in equal proportions to neutralize each other and form wAter and salt

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1
Q

Acid mantle

A

Protective Barrier lipids and secretion on the surface of the skin

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2
Q

Acids

A

Substance with pH below 7

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3
Q

Air

A

Gaseous mixture that makes up earths atmosphere

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4
Q

Alkalis

A

Know as bases compounds that reacts with acids to form salts

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5
Q

Anion

A

An ion with negative charge

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6
Q

Antioxidant

A

used to stabilize skin care products by preventing oxidation that would otherwise cause a product to turn rancid

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7
Q

Atoms

A

Smallest chemical components of an element that still retains the properties of that element

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8
Q

Cation

A

Ion with positive charge

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9
Q

Chemical changer

A

Change in chemical properties of a substance that is a result of the chemical reactions in which a new substance or substances are formed that have properties different from the original

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10
Q

Chemical compounds

A

Combinations of two or more atoms of different elements United chemically with fixed chemical compositions proportions and properties

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11
Q

Chemical properties

A

Characteristics that can only be determined by a chemical reaction and a chemical change in the identity of the substance

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12
Q

Chemistry

A

Composition structures and properties of matter

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13
Q

Combustion

A

Rapid oxidation of any substance by heat and light

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14
Q

Compound molecules

A

Also know as compounds two or more atoms of different elements

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15
Q

Element

A

Simplest form of matter cannot be broken down

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16
Q

Element molecules

A

Molecule containing two or more atoms of the same element in definite proportions

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17
Q

Emulsions

A

An unstable physical mixture of two or more immiscible substance that normally will not stay blended

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18
Q

Free radicals

A

Unstable molecules that cause inflammation disease or aging in body that cause wrinkles

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19
Q

Gases

A

Matter without a definite shape or size no fixed volume or shape

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20
Q

Hydrogen

A

Colorless odorless tasteless has lightest element known

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21
Q

Hydrogen peroxide

A

Chemical compounds of hydrogen and oxygen

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22
Q

Hydrophilic

A

Easily absorbs moisture capable of combining with or attracting water

23
Q

Hydroxide

A

An anion with one oxygen and on hydrogen

24
Immiscible
Liquids that are not capable of being mixed together
25
Inorganic chemistry
Study of substances that do no contain the element carbon but contain hydrogen
26
Ion
Atom or molecule into positive or negative ions
27
Ionization
Separation of an atom or molecule into negative or positive
28
Lipophilic
Having an affinity for or and attraction to fat and oils
29
Liquids
Matter that has volume no definite shape of its container
30
Logarithmic scale
A method of displaying date in multiples of 10
31
Matter
any substance that occupies space and has mass
32
Miscible
Capable of being mixed
33
Molecule
A chemical combination of two or more atoms
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Nitrogen
A colorless gaseous element that makes up about four fourths of air in our atmosphere
35
Oil in water emulsions
Oil droplets dispersed in water the aid of an emulsifying agent
36
Organic chemistry
Study of substances that contain carbon
37
Oxidation
Either the addition of oxygen or loss of hydrogen chemical reaction that combines a substance with oxygen to produce an oxide
38
Oxidation reduction
Also know az redox chemical reaction in which oxidizing agent is recurs and the reducing agent is oxidized
39
Oxygen
Most abundant element on the earth
40
Oxidize
To combine or cause a substance to combine with oxygen
41
pH
Potential hydrogen represents the quality of a new substance
42
Physical change
Change in form or physical properties of a substance without a chemical reaction
43
Physical mixture
Combination of two or more substances United physically
44
Physical properties
Characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the identity of the substance
45
Redox reactions
Chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
46
Reduction
Process through which oxygen is subtracted from or hydrogen is added to a substance through a chemical reaction
47
Solids
A state of matter that is rigid with a definite size and shape such as ice
48
Solute
A substance that dissolves the solute to form a solution
49
Solutions
A uniform mixture of two or more mutually musicale substances
50
Solvent
A substance that dissolves another substance to form a solution
51
States of matter
The three different physical forms of matter solid liquid or gas
52
Surfactants
Reduce surface tension between the skin and the product to increase product spread ability
53
Suspensions
Unstable mixture of two or more immiscible substances
54
Water
Most abundant of all substances
55
Water in oil emulsion
Droplets if water dispersed in oil