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Chemistry > CHEM 011 (Inorganic Chem) > Flashcards

CHEM 011 (Inorganic Chem) Flashcards

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1
Q

It is consist of 2 or more physically distinct phases

A

Heterogeneous Matter

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2
Q

A homogeneous part of a system separated from other parts by physical boundaries

A

Phase

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3
Q

Freshly Opened coke

A

Heterogeneous Mixture

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4
Q

Air

A

Homogeneous Mixture

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5
Q

It can be observed without changing the substance’s chemical composition

A

Physical Properties

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6
Q

quality or condition of a substance that can be observed or measured without changing its composition

A

Physical Properties

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7
Q

Color, Density, Odor, Melting and Boiling Point, Malleability, Ductility, etc., is an example of?

A

Physical Properties

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8
Q

It describe the substance’s ability to react and to form new substances.

A

Chemical Properties

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9
Q

It describe how substances react or change to form different substances.

A

Chemical Properties

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10
Q

Resistance to corrosion, flammability, etc., is an example of?

A

Chemical Properties

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11
Q

Properties that do not depend on the amount of substance present and can be used to establish the identity of the substance.

A

Intensive Properties

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12
Q

Temperature, Melting Point, Boiling Point, Density, Color is an example of?

A

Intensive Properties

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13
Q

Properties that depend on the quantity of substance present.

A

Extensive Properties

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14
Q

E.X.A.M.S Mnemonic means?

A

Extensive Properties depend on the Amount of Substance

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15
Q

Mass, Volume, Energy, etc. is an example of?

A

Extensive Properties

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16
Q

It gives an idea of the composition or identity of a substance

A

Intensive Properties

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17
Q

It gives an indication of the quantity of substance present

A

Extensive Properties

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18
Q

Substance changes physical appearance without altering its identity.

A

Physical Change

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19
Q

Are changes in matter that do not change the composition of a new substance

A

Physical Change

20
Q

Change in shape, volume, color, temperature, state, are an example of?

A

Physical Change

21
Q

Are changes that result in new substances

A

Chemical Change

22
Q

Substances transform into chemically different substances

A

Chemical Change

23
Q

Burning of wood, Rustling of Iron nail, Growth of plants, Oxidation, Combustion, Decomposition, Corrosion are an example of?

A

Chemical change

24
Q

Separation of Heterogeneous Mixture

A

Filtration, Decantation

25
Q

Separation of Homogeneous Mixture

A

Distillation, Solvent Extraction (liquid-liquid extraction), Adsorption, Chromatography

26
Q

It is a removal of solid from liquid heterogeneous mixture through a medium from which only the liquid can pass.

A

Filtration

26
Q

Separation of liquid from heavier solid by carefully pouring the liquid from the container in order to leave the solid in the bottom of the original container.

A

Decantation

27
Q

It is a process exploiting the differences between the boiling points of the components of the mixture.

A

Distillation

28
Q

Th component that boils off first is the ______ which the one that remains in the original container is the _______.

A

Distillate and Residue

29
Q

It is a method to separate compounds based on their relative solubilities in two different immiscible liquids usually water and an organic solvent.

A

Solvent Extraction

30
Q

Other term for Solvent Extraction

A

Liquid-Liquid Extraction

31
Q

Universal Solvent

A

Water

32
Q

It is a process where a solid is used to remove a soluble substance from an aqueous solution.

A

Adsorption

33
Q

It is a technique that separates substances on the basis of differences in the ability of substances to adhere to the solid surface.

A

Chromatography

34
Q

It must have both a number and a unit.

A

Measured Quantity

35
Q

It is the modern form of the metric system and the world’s most widely used system of measurement.

A

SI Unit

36
Q

Full meaning of SI Unit

A

International System of Units

37
Q

Formula in getting Kelvin

A

K = C + 273

38
Q

Formula in getting Celsius

A

C = 5/9 (F - 32)

39
Q

Formula in getting Farenheit

A

F = 9/5 C +32

40
Q

Are obtained from counting or defined as a conversion factor

A

Exact Numbers

41
Q

Are derived from measurement. All measurements have some degree of uncertainty or error associated with the instrument used and is thus inexact.

A

Inexact numbers.

42
Q

It refers to how close a series of measurements are to one another.

A

Precision

43
Q

It refers to how well measured quantities agree with each other.

A

Precision

44
Q

It refers to how close a measured value is to an accepted value.

A

Accuracy

45
Q

It refers to how well measured quantities agree with the “true value”

A

Accuracy

Chemistry (2 decks)

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