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General Chemistry 1 & 2 > Quarter 3 Examination > Flashcards

Quarter 3 Examination Flashcards

1
Q
  • A homogeneous mixture of two or more substances.
  • Categorized as a homogeneous mixture because its components are indistinguishable from one another
A

Solution

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2
Q

the one being dissolved

A

Solute

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3
Q

the dissolving medium

A

Solvent

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4
Q

A solution which can dissolve further amount of solute at a particular temperature

A

Unsaturated

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5
Q

A solution which can not dissolve further amount of solute at a particular temperature

A

Saturated

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6
Q

It has dissolved more amount of solute than can be dissolved by solvent

A

Super saturated

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7
Q

Pertains to the maximum amount of solute dissolved in a given amount of solvent at a specific temperature and pressure

A

Solubility

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8
Q

Means that the amount of solute is relatively high

A

Concentrated

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9
Q

Means that the amount of solute is relatively low

A

Diluted

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10
Q

is the ratio of the mass of a solute to the mass of the solution, multiplied by 100.
mass of solute
OVER
mass of solution x 100

A

Percent by mass

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11
Q

is the ratio of volume (mL) of a liquid solute to the volume of solution,multiplied by 100.
volume of solute
OVER
volume of solution x 100

A

Percent by volume

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12
Q

refers the amount of mole of solute per kilogram of solvent. It is given by a number followed by an italic lower case m. For example, a 5 m aqueous solution contains 5 mol of glucose (C,H,0.) per kilogram of water.

A

Molality

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13
Q

refers the number of moles of solute per liter of solution. It is calculated by didviding the number of moles of solute by the volume of solution in liters.

A

Molarity

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14
Q

is used to determine the quantity or amount or a substance in a solution

A

Titration

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15
Q

the lowering of vapor pressure

A

Raoult’s law

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16
Q

is defined as “energy motion”

A

Kinetic energy

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17
Q

is considered as the “energy at rest”

A

Potential Energy

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18
Q

state the energy is neither created nor destroyed, but is converted from one form to another

A

Law of Conservation of Energy

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19
Q

include mechanical energy, which result from physical work; radiant or light energy

A

Forms of Energy

20
Q

is defined as the transfer of thermal energy

A

Heat

21
Q

Referring to the particular area of interests (within the circle)

A

System

22
Q

Everything outside the area of interests (outside the circle but whitin the box)

A

Surroundings

23
Q

Allow the transfer of mass and energy

A

Open System

24
Q

Do not allow the transfer of mass and energy.

A

Isolated system

25
Q

Allow the flow of energy but not mass

A

Closed system

26
Q

Process of transferring heat from the system to the surroundings

A

Exothermic

27
Q

If the flow of heat is from the surroundings to the system

A

Endothermic

28
Q
  • Identified that chemical reactions can
    be studied in terms of the flow of energy, part of higher field
  • Provides a better view on the energetics reaction
A

Thermodynamics

29
Q

Is associated with the transformation of reactants to product

A

Heat of reaction

30
Q

The balanced equation showing the associated heat of reaction

A

Thermochemical equation

31
Q

States that enthalpy change ( H) is independent of the number of steps involved in a reaction.

A

Hess’s Law

32
Q

Is the measurement of the heat released or absorbed during a physical or chemical process.

A

Calorimetry

33
Q

Contains water and/or other materials which can absorb heat

A

Calorimeter

34
Q

The branch of chemistry that deals with the rate of chemical reaction

A

Chemical Kinetics

35
Q

Can be defined as the change in concentration per unit time

A

Rate of reaction

36
Q

The reliance of the reaction rate concentration of the reactants can be expressed through an equation

A

Rate law

37
Q

Pertains to amount of time that a reactant needs to decrease by half from its initial concentration

A

Half life

38
Q

Which states that chemical reactions occur as a result of collisions between reacting molecules

A

Collision theory

39
Q

To initiate the reaction, molecules of the reactants must meet a minimum amount of kinetic

A

Activation Energy

40
Q

Pertains to the physical and chemical properties of the reactants, including their states, bond type and strength

A

Nature of Reactants

41
Q

Substance that speeds up the reaction rate being used up in the process

A

Catalyst

42
Q

Made from non-carbon containing compounds or elements

A

Inorganic Catalysts

43
Q

Carbon-containing compounds, also known enzymes

A

Biological Catalysts

44
Q

Different phase from reactants

A

Heterogeneous

45
Q

Same phase

A

Homogeneous

General Chemistry 1 & 2 (5 decks)

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