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dynamics of health > chem 5/29 > Flashcards

chem 5/29 Flashcards

1
Q

pH<7

A

acid

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2
Q

Turns litmus paper red

A

Acid

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3
Q

Some react with metals to form H2

A

acid

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4
Q

tastes sour

A

acid

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5
Q

react with acids to produce salts and water

A

Acid

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6
Q

Some conduct electrical current

A

acid

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7
Q

pH > 7

A

Base

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8
Q

Turns litmus blue

A

Base

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9
Q

Feels slippery (soap)

A

base

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10
Q

tastes bitter

A

base

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11
Q

reacts with acids to produce salts and water

A

bases

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12
Q

some conduct electrical current

A

bases

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13
Q

___________acids or bases do not dissociate much in water

A

Weak

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14
Q

_________________acids and bases dissociate significantly (if not completely).

A

Strong

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15
Q

_________acids and bases have little solute dissolved in the solution

A

dilute

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16
Q

___________acids and bases have a lot of solute dissolved in the solution

A

concentrated

17
Q

explain the process of acid/base neutralization

A

the acid and base compounds will dissociate, rearrange, and recombine

18
Q

Explain what defines a substance as an Arrhenius acid and as an Arrhenius base

A

An Arrhenius acid will dissociate to put H+ ions (hydrogen ions or protons) into the solution, whereas an Arrenhius base will dissociate to put OH- ions (hydroxide ions) into the solution

19
Q

Explain what defines a substance as a Bronsted-lowry acid and as a Bronsted-lowry base

A

A Bronsted-Lowry acid with donate hydrogen ions or protons in a reaction, whereas a Bronsted-Lowry base will accept hydrogen ions or protons in a reaction.

20
Q

explain what defines a substance as a Bronsted-Lowry conjugate acid and as a Bronsted-Lowry conjugate base.

A

A conjugate base is the compound remaining AFTER the Bronsted-Lowry acid has donated hydrogen ions, whereas a conjugate acid is the compound created AFTER the Bronsted-Lowery base has accepted hydrogen ions.

21
Q

Explain what defines a substance as a Lewis acid and as a Lewis base.

A

A Lewis acid will accept electrons in a reaction, whereas a Lewis base will donate (share) electrons in a reaction

22
Q

What does pH measure

A

the concentrations of hydrogen ions in a solution

23
Q

what does pOH measure

A

measures the concentration of OH- in a solution

24
Q

equations for pH and pOH

A

pH= -log [H+] where [H+] his the molar concentration (molarity) of the hydrogen ions

pOH= -log[OH-] where [OH-] is the molar concentration (molarity) of the hydrogen ions

25
Q

finding molarity :

A

M= mol/L

26
Q

how are pH and pOH related?

A

pH + pOH = 14

27
Q
A
28
Q
A

dynamics of health (21 decks)

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