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Chem lab final Flashcards

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USMLE® Step 1 flashcards
1
Q

AgCl

A

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2
Q

PbCrO4

A

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3
Q

PbSO4

A

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4
Q

CdS

A

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5
Q

Na3Co(CO3)3

A

Green color

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6
Q

Ni(C4H7O2N2)2

A

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7
Q

Al(OH)3

A

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8
Q

BaCrO4

A

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9
Q

Ba^2+

A

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10
Q

CaC2O4

A

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11
Q

Ca^2+

A

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12
Q

Na^+

A

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13
Q

Test NH3 for presence of NH4^+ by

A

Smell and red litmus paper

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14
Q

K^+

A

Violet flame test

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15
Q

endothermic

A

energy + reactants → products

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16
Q

exothermic

A

reactants → products + energy

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17
Q

Le Chatelier’s principle

A

If an equilibrium is stressed, then the reaction shifts to reduce the stress

18
Q

Dilution equation

A

MiVi= MfVf

19
Q

pH

A

pH = -log[H+]

20
Q

Mole fraction

A

Xsolute = mol of solute / total mol
Xsolvent = mol of solvent / total mol
Xsolute + Xsolvent = 1

21
Q

Group 2 cations pH

A

pH range of 0.5 ±0.3

22
Q

Group 3 cations pH

A

pH between 8-10

23
Q

Group 4 cations pH

A

pH at ~5

24
Q

Group 1 cations reagents

A

Ag+, Pb2+

25
Q

Group 2 cations reagents

A

Pb2+, Cu2+, Cd2+

26
Q

Group 3 cations reagents

A

Ni2+, Fe3+, Al3+, Co2+

27
Q

Group 4 cations reagents

A

Ba2+, Ca2+

28
Q

Group 5 cations reagents

A

NH4+, K+, Na+

29
Q

Addition of base

A

Shifts left

30
Q

Addition of acid

A

Shifts right

31
Q

Addition of more product

A

Shifts left

32
Q

Addition of more reactant

A

Shifts right

33
Q

Increase in the temperature (exothermic)

A

Shifts left

34
Q

Increase in the temperature (endothermic)

A

Shifts right

35
Q

Complete the net ionic equation:
Pb^2+(aq) + CrO4^2-(aq) —->

A

Pb^2+(aq) + CrO4^2-(aq) —->PbCrO4

36
Q

Complete the net ionic equation:
AgCl(s) + NH3(aq) —–>

A

AgCl(s) + NH3(aq) —–> (AgNH3)2^+(aq) + Cl^-(aq)

37
Q

Ksp equation

A

Ksp=[C]c[D]d

38
Q

Kc equation

A

Kc = -[C]c[D]d / [A]a[B]b

39
Q

Ammonia

A

NH3

40
Q

Ammonium cation

A

NH4^+

Medical (2 decks)

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