Chemical Mixtures WK2 L3 Flashcards

1
Q

WHAT ARE MIXTURES?

A

SUBSTANCES THAT ARE PHYSICALLY BLENDED BUT NT CHEMICALLY BONDED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

WHAT IS WATER IN THE BODY?

A

MIXTURES CONSISTING OF CHEMICALS DISOLVED OR SUSPENDED IN WATER.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

WHAT ARE SUBSTANCES THAT DISOLVE IN WATER CALLED?

A

HYDROPHILIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

WHAT ARE SUBSTANCES THAT DO NOT DISOLVE IN WATER CALLED?

A

HYDROPHOBIC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

ARE HYDROPHILIC MOLECULES POLARIZED OR NON POLAR?

A

POLARIZED/CHARGED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

ARE HYDROPHOBIC MOLECULES POLARIZED OR NON POLAR?

A

NON POLAR/NEUTRAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

WHAT IS A SOLUTION?

A

WHEN A SUBSTANCE COMPLETELY DISOLVES INTO ANOTHER

(SOLUTE DISOLVED INTO SOLVENT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

WHAT IS A SOLVENT?

A

A LIQUID OR GAS WHERE SUBSTANCES ARE DISOLVED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

WHAT IS A SOLUTE?

A

A SUBSTANCE THAT IS DISOLVED INTO A SOLVENT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

WHAT ARE SUSPENSIONS?

(HETEROGENEOUS)

A

WHEN YOU MIX SUBSTANCES THAT DONT MIX EVENLY AND LARGER PARTICLES SEPARATE FROM MIX ONCE SETTLED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

WHAT ARE COLLOIDS?

(HETEROGENEOUS)

A

SUBSTANCES IN A SOLUTION WHICH ARE DISTRIBUTED EVELY BUT ARE NOT MIXED

(wHEN MIXED IS NOT CLEAR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

WHARE ARE EMULSIONS?

A

A TYPE OF COLLOID THAT WHEN YOU MIX SUBSTANCES TOGETHER THEY DONT MIX SEPARATE COMPLETELY ONCE SETTLED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

WHAT ARE HYDROXIDE IONS?

A

A HYDROGEN AND OXGEN ATOM ATTACHED BY A COVALENT BOND

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

WHAT ARE HYDROGEN IONS?

A

A CHARGED HYDROGEN ATOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

WHAT ARE BASES/ALKALI?

A

A SUBSTANCE THAT RELEASES HYDROXIDE IONS WHEN DISOLVED IN WATER

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

WHAT ARE STONG BASES?

A

COMPLETELY RELEASES THE HYDROXIDE IONS WHEN DISOLVED IN WATER

17
Q

WHAT ARE WEAK BASES?

A

PARTIALLY RELEASES THE HYDROXIDE IONS WHEN DISOLVED IN WATER AND MAY REVERSE THE REACTION

18
Q

WHAT ARE ACIDS?

A

A SUBSTANCE THAT RELEASES HYDROGEN IONS WHEN DISOLVED IN WATER

19
Q

WHAT ARE STONG ACIDS?

A

COMPLETELY RELEASES THE HYDROGEN IONS WHEN DISOLVED IN WATER

20
Q

WHAT ARE WEAK ACIDS?

A

PARTIALLY RELEASES THE HYDROGEN IONS WHEN DISOLVED IN WATER AND MAY REVERSE THE REACTION

21
Q

WHAT ARE SALTS?

A

A SUBSTANCE THAT WHEN DISOLVED IN WATER SEPARATES THE CATION AND THE ANION

22
Q

WHAT IS A PH SCALE?

A

A NUMBERING SCALE FROM 0-14 WHICH DETERMINES THE CONCENTRATED AMOUNT OF HYDROGEN IONS WITHIN THE MIXTURE

23
Q

WHAT NUMBER ON THE PH SCALE IS NEUTRAL?

A

7 - THE SAME AMOUNT OF HYROGEN IONS TO HYDROXIDE IONS

24
Q

WHAT LEVEL OF THE PH SCALE HAS THE MOST ACID?

25
WHAT LEVEL OF THE PH SCALE HAS THE MOST BASIC/ALKALINE?
14
26
WHAT PH DOES THE BODY WORK BEST AT?
7. 35-7.45 (7. 4)
27
WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO LOW?
ACIDOSIS (TO ACIDIC)
28
WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO HIGH?
ALKALOSIS (TO BASIC/ALKALINE)
29
HOW DOES THE BODY AVOID PH LEVEL CHANGES?
BY USING SUBSTANCES CALLED BUFFERS
30
HIGH WHAT IS CONCENTRATION?
A HIGH CONCENTRATE OF SUBSTANCE IN THE MIXTURE
31
WHAT IS DILUTE?
A LOW CONCENTRATE OF SUBSTANCE IN THE MIXTURE
32
WHAT IS MOLARITY?
HOW MANY MOLECULES THERE ARE IN A SUBSTANCE
33
HOW DO WE CALCULATE THE MOLES (GRAMS) OF A CERTAIN SUBSTANCE
BY USING THE ATOMIC MASS
34
WHAT IS EXOTHERMIC?
LOOSES ENERGY FROM BREAKING CHEMICAL BONDS
35
WHAT IS ENDOTHERMIC?
COLLECT AND STORE ENERGY IN NEW CHEMICAL BONDS
36
WHAT IS H?
HYDROGEN
37
WHAT IS OH?
HYDROXIDE
38
WHAT IS H20?
WATER
39
WHAT DO BUFFERS DO?
COLLECT H IONS IN THE BLOOD