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Gen Chem > muwhehehehehe > Flashcards

muwhehehehehe Flashcards

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1
Q

is anything that has mass and has volume

A

Matter

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2
Q

is the amount of matter

A

Mass

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3
Q

proposed that a certain point, everything was made up of air

A

Anaximenes

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4
Q

Fire is the source of natural resources

A

Heraclitus

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5
Q

first to propose that matter was composed of small, indestructible particles

A

Leucippus and Democritus

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6
Q

meaning “uncuttable”

A

Atomos

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7
Q

Popularized atomism

A

Epicurus of Samos

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8
Q

Solid to gas

A

Sublimation

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9
Q

Gas to Solid

A

Deposition

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10
Q

Liquid to solid

A

freezing

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11
Q

Properties that can be observed or measured without changing their composition

A

Physical Property

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12
Q

describes chemical change or reaction a matter undergo, and this is change in its composition.

A

Chemical Property

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13
Q

Simplest form of matter

A

Elements

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14
Q

Basic building block of most cells in the body

A

Carbon

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15
Q

Makes up the protein and nucliec acids

A

Nitrogen

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16
Q

Present in ATP molecule, the energy currency of the body.

A

Phosphorus

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17
Q

Major component of cellular fluids; involved in transmission of nerve impulses

A

Potassium

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18
Q

Found in amino acids that make up proteins.

A

Sulfur

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19
Q

When two or more elements combined chemically

A

Compound

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20
Q

components are not evenly distributed in the sample and can thus be physically identified.

A

Heterogeneous Mixture

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21
Q

Appearance, properties and composition are uniform throughout a sample.

A

Homogeneous Mixture

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22
Q

is a homogeneous mixture that may contain one or more components.

A

Solution

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23
Q

The substance in which a solute dissolves to produce a homogeneous mixture

A

Solvent (dissolved substance)

24
Q

The substance that dissolves in a solvent to produce a homogeneous mixture

A

Solute (dissolving medium)

25
Q

Done by continuously heating the solution, leaving behind solid components.

A

Evaporation

26
Q

A solid-liquid mixture is allowed to pass through a filter, trapping the solid in it.

A

Filtration

27
Q

Most common bleaching agents are sodium hypochlorite and hydrogen peroxide

A

Bleach

28
Q

Mixture of sufactants, water softener, stain remover, enzymes and performs, among others

A

Soap and detergent

29
Q

is naturally occuring mineral that prevents caking of the product and ensure smooth distribution of make up to the skin.

A

Talc

30
Q

When inhaled, can be trapped in the lungs and cause serious health problems like cancer

A

Asbestos

31
Q

believed to provide anti-aging benefits.

A

Gold Micro/ nanoparticles

32
Q

one of the common moisturizing agents; which helps provide hydration and gives the smooth feel of the skin.

A

Glycerin

33
Q

contains flouride compounds, such as sodium floride to help the mouth from gum diseases such as gingivitis

A

toothpaste

34
Q

is the branch of science that deals with properties, composition, and structure of elements and compounds, how they can change, and the energy that is released or absorbed when they change.

A

Chemistry

35
Q

a space that a matter occupies

A

Volume

36
Q

According to him, water is the primary building blocks of all matter

A

Thales of Miletus

37
Q

Invention of four elements of matter: earth, air, fire, and water.

A

Empedocles

38
Q

The five main principles of Leucippus and Democritus’ theory

A
  1. All matter is made up of atoms
  2. Atoms are completely solid
  3. Atoms are Uniform
  4. Atoms have different shapes and sizes
  5. atoms are in constant motion
39
Q

Added the 5th fundamental element “Aether”

A

Aristotle

40
Q

Solid to Liquid

A

Melting

41
Q

Liquid to Gas

A

Evaporation/ Vaporization

42
Q

Gas to Liquid

A

Condesation

43
Q

A physical property that does not depend on the amount of material in the system

A

Intensive Physical Property

44
Q

a physical property that is dependent on the amount of material in the system

A

Extensive Physical Property

45
Q

refers to a matter that has distinct set of properties. It cannot be separated into components without breaking chemical bonds.

A

Pure Substance

46
Q

Used for cellular respiration

A

Oxygen

47
Q

Mainly found in the body as water, which comprises the body fluids.

A

Hydrogen

48
Q

found in compounds that make up the bones, teeth and body fluids.

A

calcium

49
Q

are made up of two or more substances that are only physically combines and can be separated into their components through simple physical means

A

Mixture

50
Q

Are normally used to remove magnetic solids from nonmagnetic components of a mixture

A

Magnet

51
Q

Most appropriate method to separate mixture. Gently pours the water out of the container after the sediments has settled down at the bottom of container.

A

decantation

52
Q

Methods used to separate compopnents of different degrees of solubility using a moving and a stationary fluid.

A

Chromatography

53
Q

render soaps and detergents capable of lowering the surface tension of water, allows them to wet the surface to be cleaned.

A

Surfactants

54
Q

made up of assorted ingredients, including wax, oil, moisturizers, and pigments.

A

Lpstick

55
Q

is a metal that can cause death if ingested in even very low dosages

A

Lead

56
Q

are generally used to moisturize or hydrate the skin.

A

Lotions

57
Q

strengthens the enamel of the teeth, which makes them less susceptible to decay

A

Flouride

Gen Chem (1 decks)

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