Term
Ionic bonds are strongest when
dry or wet? |
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Definition
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Term
How much NaCl would need to make 1.0 molar solution in one liter of water?
Na=23
Cl=35.5 |
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Definition
Work: 58.5g/mol * 1mol/L
58.5g/L |
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Term
How much NaOH would you need to make 3 moles?
Na=23
O=16
H=1 |
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Definition
Work: 40g/mol * 3mol
120g |
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Term
| Name the 7 properties of water. |
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Definition
high specific heat
ionization
high heat of evaporation
high dieletric
high heat of fusion
most dense at 4*C
solvent for polar molecules
capillary action & surface tension |
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Term
Carbon 14
atomic # = 6
What is the # of neutrons, electrons, and protons? |
|
Definition
protons=6
neutrons=8
electrons=6 |
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Term
Calcium^2+
atomic # = 20
amu = 40
What is the # of protons, neutrons, and electrons? |
|
Definition
protons=20
neutrons=20
electrons=18 |
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Term
| pH 8, you increase the H+ by a factor of 1000, what is the new pH of the solution? |
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Definition
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Term
| When an acid is dissolved in water, what happens? |
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Definition
| the H+ increases and pH decreases |
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Term
| What are the 4 classes of organic molecules? |
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Definition
| carbs, lipids, nucleic acids, proteins |
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Term
Out of these functional groups, which are nonpolar?
amino
hydroxyl
methyl
carbonyl
carboxyl
sulfhydryl
phosphate |
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Definition
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Term
|
Definition
fatty acids
steroids
triglycerides
phospholipids |
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Term
| What lipid is a hydrocarbon with a carboxyl group on one end? |
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Definition
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Term
| What is a glycerol with 3 fatty acid chains? |
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Definition
|
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Term
| How many carbon rings do steriods have? |
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Definition
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Term
| Beginning with a solution of pOH 5, you increase the OH- by a factor of 1000, what is the pH of the new solution? |
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Definition
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Term
| What type of bond occurs between different H2O molecules in liquid water? |
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Definition
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Term
Which of the following would you predict to have the highest solubility in water?
NaCl
CH4
O2
all of them |
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Definition
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Term
| What bond has an unequal sharing of electrons? |
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Definition
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Term
| Hydrogen bonds must __________ for water to vaporize. |
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Definition
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Term
| What is a glycerol with 2 fatty acids and a phosphate group? |
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Definition
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Term
| What type of reaction synthesizes polymers? |
|
Definition
| dehydration or condensation |
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Term
| What type of reaction breaks down a polymer? |
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Definition
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Term
| Are solids or liquids expected to have a higher proportion of unsaturated fats? |
|
Definition
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|
Term
| How many levels of structural organization are present in proteins made up of multiple polypeptide subunits? |
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Definition
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Term
| If Carbon's electronegativity is 2.5 and there is a C-C bond, what type of bond is it? |
|
Definition
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Term
| If Carbon's electronegativity is 2.5 and Oxygen's electronegativity is 3.5 and they form a bond, what type? |
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Definition
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Term
How much glucose (C6H12O6) would you need to make a 1 Liter of a 0.25 M glucose solution?
C=12
H=1
O=16 |
|
Definition
Work: 72+12+96=180
180/4=45
45g |
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Term
| When a carbonyl group is at the end of a carbon skeleton, what is it? |
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Definition
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Term
| Scientific method results in... |
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Definition
|
|
Term
| How many covalent bonds will Nitrogen, with the atomic # 7, form? |
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Definition
|
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Term
| A form of an element containing different number of neutrons is... |
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Definition
|
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Term
| The log of 10,000 to the base 10= |
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Definition
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Term
Which of the following groups of organic molecules would be expected to contain Phosphorus?
triglycerides
proteins
fatty acids
steriods
none of these |
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Definition
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Term
| The synthesis of a trisacchride from 3 monosacchrides would result in a production of how many water molecules? |
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Definition
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|
Term
| What functional group is acidic, can dissociate, and release H+? |
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Definition
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|
Term
| Which 2 functional groups are always found in amino acids? |
|
Definition
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|
Term
| What type of interaction stabilizes the alpha helix structure of proteins? |
|
Definition
|
|
Term
| What is the highest level of structure shown by a protein? |
|
Definition
|
|
Term
| Nucleotides are made up of... |
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Definition
| a phosphate group, a 5 C sugar, and a nitrogenous base |
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