Chemical Mixtures WK2 L3

Question 1

WHAT ARE MIXTURES?

Answer 1

SUBSTANCES THAT ARE PHYSICALLY BLENDED BUT NT CHEMICALLY BONDED

Question 2

WHAT IS WATER IN THE BODY?

Answer 2

MIXTURES CONSISTING OF CHEMICALS DISOLVED OR SUSPENDED IN WATER.

Question 3

WHAT ARE SUBSTANCES THAT DISOLVE IN WATER CALLED?

Answer 3

HYDROPHILIC

Question 4

WHAT ARE SUBSTANCES THAT DO NOT DISOLVE IN WATER CALLED?

Answer 4

HYDROPHOBIC

Question 5

ARE HYDROPHILIC MOLECULES POLARIZED OR NON POLAR?

Answer 5

POLARIZED/CHARGED

Question 6

ARE HYDROPHOBIC MOLECULES POLARIZED OR NON POLAR?

Answer 6

NON POLAR/NEUTRAL

Question 7

WHAT IS A SOLUTION?

Answer 7

WHEN A SUBSTANCE COMPLETELY DISOLVES INTO ANOTHER

(SOLUTE DISOLVED INTO SOLVENT)

Question 8

WHAT IS A SOLVENT?

Answer 8

A LIQUID OR GAS WHERE SUBSTANCES ARE DISOLVED

Question 9

WHAT IS A SOLUTE?

Answer 9

A SUBSTANCE THAT IS DISOLVED INTO A SOLVENT

Question 10

WHAT ARE SUSPENSIONS?

(HETEROGENEOUS)

Answer 10

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

Question 11

WHAT ARE COLLOIDS?

(HETEROGENEOUS)

Answer 11

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

(wHEN MIXED IS NOT CLEAR)

Question 12

WHARE ARE EMULSIONS?

Answer 12

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

Question 13

WHAT ARE HYDROXIDE IONS?

Answer 13

A HYDROGEN AND OXGEN ATOM ATTACHED BY A COVALENT BOND

Question 14

WHAT ARE HYDROGEN IONS?

Answer 14

A CHARGED HYDROGEN ATOM

Question 15

WHAT ARE BASES/ALKALI?

Answer 15

A SUBSTANCE THAT RELEASES HYDROXIDE IONS WHEN DISOLVED IN WATER

Question 16

WHAT ARE STONG BASES?

Answer 16

COMPLETELY RELEASES THE HYDROXIDE IONS WHEN DISOLVED IN WATER

Question 17

WHAT ARE WEAK BASES?

Answer 17

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

Question 18

WHAT ARE ACIDS?

Answer 18

A SUBSTANCE THAT RELEASES HYDROGEN IONS WHEN DISOLVED IN WATER

Question 19

WHAT ARE STONG ACIDS?

Answer 19

COMPLETELY RELEASES THE HYDROGEN IONS WHEN DISOLVED IN WATER

Question 20

WHAT ARE WEAK ACIDS?

Answer 20

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

Question 21

WHAT ARE SALTS?

Answer 21

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

Question 22

WHAT IS A PH SCALE?

Answer 22

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

Question 23

WHAT NUMBER ON THE PH SCALE IS NEUTRAL?

Answer 23

7 - THE SAME AMOUNT OF HYROGEN IONS TO HYDROXIDE IONS

Question 24

WHAT LEVEL OF THE PH SCALE HAS THE MOST ACID?

Answer 24

0

Question 25

WHAT LEVEL OF THE PH SCALE HAS THE MOST BASIC/ALKALINE?

Answer 25

14

Question 26

WHAT PH DOES THE BODY WORK BEST AT?

Answer 26

7. 35-7.45
   (7. 4)

Question 27

WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO LOW?

Answer 27

ACIDOSIS

(TO ACIDIC)

Question 28

WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO HIGH?

Answer 28

ALKALOSIS

(TO BASIC/ALKALINE)

Question 29

HOW DOES THE BODY AVOID PH LEVEL CHANGES?

Answer 29

BY USING SUBSTANCES CALLED BUFFERS

Question 30

HIGH WHAT IS CONCENTRATION?

Answer 30

A HIGH CONCENTRATE OF SUBSTANCE IN THE MIXTURE

Question 31

WHAT IS DILUTE?

Answer 31

A LOW CONCENTRATE OF SUBSTANCE IN THE MIXTURE

Question 32

WHAT IS MOLARITY?

Answer 32

HOW MANY MOLECULES THERE ARE IN A SUBSTANCE

Question 33

HOW DO WE CALCULATE THE MOLES (GRAMS) OF A CERTAIN SUBSTANCE

Answer 33

BY USING THE ATOMIC MASS

Question 34

WHAT IS EXOTHERMIC?

Answer 34

LOOSES ENERGY FROM BREAKING CHEMICAL BONDS

Question 35

WHAT IS ENDOTHERMIC?

Answer 35

COLLECT AND STORE ENERGY IN NEW CHEMICAL BONDS

Question 36

WHAT IS H?

Answer 36

HYDROGEN

Question 37

WHAT IS OH?

Answer 37

HYDROXIDE

Question 38

WHAT IS H₂0?

Answer 38

WATER

Question 39

WHAT DO BUFFERS DO?

Answer 39

COLLECT H IONS IN THE BLOOD