Chemical Mixtures WK2 L3 Flashcards
WHAT ARE MIXTURES?
SUBSTANCES THAT ARE PHYSICALLY BLENDED BUT NT CHEMICALLY BONDED
WHAT IS WATER IN THE BODY?
MIXTURES CONSISTING OF CHEMICALS DISOLVED OR SUSPENDED IN WATER.
WHAT ARE SUBSTANCES THAT DISOLVE IN WATER CALLED?
HYDROPHILIC
WHAT ARE SUBSTANCES THAT DO NOT DISOLVE IN WATER CALLED?
HYDROPHOBIC
ARE HYDROPHILIC MOLECULES POLARIZED OR NON POLAR?
POLARIZED/CHARGED
ARE HYDROPHOBIC MOLECULES POLARIZED OR NON POLAR?
NON POLAR/NEUTRAL
WHAT IS A SOLUTION?
WHEN A SUBSTANCE COMPLETELY DISOLVES INTO ANOTHER
(SOLUTE DISOLVED INTO SOLVENT)
WHAT IS A SOLVENT?
A LIQUID OR GAS WHERE SUBSTANCES ARE DISOLVED
WHAT IS A SOLUTE?
A SUBSTANCE THAT IS DISOLVED INTO A SOLVENT
WHAT ARE SUSPENSIONS?
(HETEROGENEOUS)
WHEN YOU MIX SUBSTANCES THAT DONT MIX EVENLY AND LARGER PARTICLES SEPARATE FROM MIX ONCE SETTLED
WHAT ARE COLLOIDS?
(HETEROGENEOUS)
SUBSTANCES IN A SOLUTION WHICH ARE DISTRIBUTED EVELY BUT ARE NOT MIXED
(wHEN MIXED IS NOT CLEAR)
WHARE ARE EMULSIONS?
A TYPE OF COLLOID THAT WHEN YOU MIX SUBSTANCES TOGETHER THEY DONT MIX SEPARATE COMPLETELY ONCE SETTLED
WHAT ARE HYDROXIDE IONS?
A HYDROGEN AND OXGEN ATOM ATTACHED BY A COVALENT BOND
WHAT ARE HYDROGEN IONS?
A CHARGED HYDROGEN ATOM
WHAT ARE BASES/ALKALI?
A SUBSTANCE THAT RELEASES HYDROXIDE IONS WHEN DISOLVED IN WATER
WHAT ARE STONG BASES?
COMPLETELY RELEASES THE HYDROXIDE IONS WHEN DISOLVED IN WATER
WHAT ARE WEAK BASES?
PARTIALLY RELEASES THE HYDROXIDE IONS WHEN DISOLVED IN WATER AND MAY REVERSE THE REACTION
WHAT ARE ACIDS?
A SUBSTANCE THAT RELEASES HYDROGEN IONS WHEN DISOLVED IN WATER
WHAT ARE STONG ACIDS?
COMPLETELY RELEASES THE HYDROGEN IONS WHEN DISOLVED IN WATER
WHAT ARE WEAK ACIDS?
PARTIALLY RELEASES THE HYDROGEN IONS WHEN DISOLVED IN WATER AND MAY REVERSE THE REACTION
WHAT ARE SALTS?
A SUBSTANCE THAT WHEN DISOLVED IN WATER SEPARATES THE CATION AND THE ANION
WHAT IS A PH SCALE?
A NUMBERING SCALE FROM 0-14 WHICH DETERMINES THE CONCENTRATED AMOUNT OF HYDROGEN IONS WITHIN THE MIXTURE
WHAT NUMBER ON THE PH SCALE IS NEUTRAL?
7 - THE SAME AMOUNT OF HYROGEN IONS TO HYDROXIDE IONS
WHAT LEVEL OF THE PH SCALE HAS THE MOST ACID?
0
WHAT LEVEL OF THE PH SCALE HAS THE MOST BASIC/ALKALINE?
14
WHAT PH DOES THE BODY WORK BEST AT?
- 35-7.45
(7. 4)
WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO LOW?
ACIDOSIS
(TO ACIDIC)
WHAT IS IT CALLED WHEN YOUR PH LEVEL IS TO HIGH?
ALKALOSIS
(TO BASIC/ALKALINE)
HOW DOES THE BODY AVOID PH LEVEL CHANGES?
BY USING SUBSTANCES CALLED BUFFERS
HIGH WHAT IS CONCENTRATION?
A HIGH CONCENTRATE OF SUBSTANCE IN THE MIXTURE
WHAT IS DILUTE?
A LOW CONCENTRATE OF SUBSTANCE IN THE MIXTURE
WHAT IS MOLARITY?
HOW MANY MOLECULES THERE ARE IN A SUBSTANCE
HOW DO WE CALCULATE THE MOLES (GRAMS) OF A CERTAIN SUBSTANCE
BY USING THE ATOMIC MASS
WHAT IS EXOTHERMIC?
LOOSES ENERGY FROM BREAKING CHEMICAL BONDS
WHAT IS ENDOTHERMIC?
COLLECT AND STORE ENERGY IN NEW CHEMICAL BONDS
WHAT IS H?
HYDROGEN
WHAT IS OH?
HYDROXIDE
WHAT IS H20?
WATER
WHAT DO BUFFERS DO?
COLLECT H IONS IN THE BLOOD
