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Cuesta College Chemistry > Module 2 > Flashcards

Module 2 Flashcards

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1
Q

Define solvent

A

The majority (gets stuff dissolved in it)

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2
Q

What’s the formula for mass %?

A

Mass % = )mass solute(g) / mass solute (g) + mass of solvent ) x 100

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3
Q

What is the formula for volume %

A

Volume %= (volume of solute / volume of solution ) x 100

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4
Q

What’s the formula for molarity

A

M= moles/L

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5
Q

What is the formula for dilutions

A

M1V1= M2V2

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6
Q

When do you know when to use dilution

A

• key word of dilution is being used
• start and end with the same molecules/compound

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7
Q

Acetic acid. Is it a strong or weak electrolyte and is is soluble in water?

A

It is a weak electrolyte and soluble in water

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8
Q

Define diploid

A
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9
Q

Define solvated

A

Electrostatic forces of the water cause the molecules to become ion and remain separate within the solvent usually water

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10
Q

Define solvation

A

When a solute dissolves in a solvent the electrostatics forces cause the ion/molecules to remain dispersed in the solvent.

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11
Q

Which of the two; ionic or molecule has electrolytes?

A

Ionic has electrolyte

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12
Q

What are the different catergories of acids?

A

Oxyacids
Binary acids
Acid

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13
Q

Define oxyacids

A

An acid having a hydrogen and oxyanion

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14
Q

Define binary acid

A

An acid composed of hydrogen and a non metal

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15
Q

What are the solubility rules

A

Rules of certain ions and molecule paired as cations with anions to determine if they will become a solid or not

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16
Q

Which ions/molecules are soluble? Which have exception, name how many exception each ion has

A

Li, Na , K , NH4, NO3
3 exceptions for SO4, Cl, Br

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17
Q

Which compounds are insoluble? How many exceptions do each have?

A

CO3(carbonate) & PO4(phosphate) OH & S
The main exceptions are Li,Na,K, NH4

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18
Q

Define soluble

A

Compound that dissolve in water, aqueous

19
Q

Define insoluble

A

Compound does not dissolve and is solid

20
Q

Do soluble ionic solids form electrolytes?

A

Yes, ionic key work

21
Q

Do soluble molecular solids form electrolytes

A

No, key Word molecular solids, no metals

22
Q

Did you practice net ionic equation?

A

Purple for no , blue for yes

23
Q

What are the 6 strong acids? And names

A

HCl: hydrochloric acid
HBr: hydrobromic acid
HI: hydroiodic acid
HNO3: nitric acid
HCLO4: perchloric acid
H2SO4:sulfuric acid

24
Q

What do acids donate, protons, electrons pr neutrons?

A

Protons

25
Q

What are the 6 strong bases? And names

A

NaOH: sodium hydroxide
LiOH: lithium hydroxide
KOH: potassium hydroxide
Ca(OH)2: calcium hydroxide
Ba(OH)2 barium hydroxide
Sr(OH)2 : strontium hydroxide

26
Q

Did you practice oxidation-reduction reactions?

A

Yes for blue, purple for No

27
Q

What is the acronym for OILRIG in terms of oxidation-reduction

A

O:oxidation
I:is
L:loss of e-
R: reduction
I:is
G:gain of e-

28
Q

Define pseudoformula

A
29
Q

If Cl, Br & I ions are soluble what are their exception to make them insoluble?

A

Ag +, Hg, Pb

30
Q

When Ag, Pb and Hg are paired with what ions to make them insoluble?

A

Cl, Br & I

31
Q

Name all the soluble ions & compounds
Don’t name exceptions at the moment

A

Li, Na, K , CL, Br, I
NH4, NO3, C2H3O2 , SO4

32
Q

Did you practice oxidation metal by acids and salts? Use the activity series correctly

A

Purple for no, blue for yes

33
Q

What is the formula of pH ?

A

pH = (-1) log(H)

34
Q

What is the formula for pOH?

A

pOH = (-1)log (OH-)

35
Q

Write out formula for pH to H+

A

H = 10^ - pH

36
Q

Define thermodynamic

A

The study of energy and how it transforms heat & power

37
Q

Define thermochemistry?

A

Relationship between chemical reaction between chemical reaction & energy change involve heat

38
Q

Chemical energy is released during

A

A chemical reaction

39
Q

Define energy

A

Capacity to do work /transfer heat

40
Q

Define work for chemistry

A

Energy used to love a object or certain mass against force

41
Q

Define heat in chemistry

A

Energy used to cause the temperature of a object to increase

42
Q

What is the math equation for kinetic energy

A

1/2 M V^2

43
Q

Define force in chemistry

A

Any kind of push or pull on object such as gravity

44
Q

Define electrostatic potential energy

A

Important form of energy in chemistry

Cuesta College Chemistry (9 decks)

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