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25 Cards in this Set
- Front
- Back
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what is atomic number
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number of protons and neutrons in the nucleus
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what is deuterium
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isotope of hydrogen
1 proton 2 neutrons different mass number |
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in which energy levels are the electrons in Na = 1S2 2S2 2P6 3S1 and how many valence electrons does it have
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first, second and third principal energy levels
1 valence |
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O2 is the symbol of what
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an oxygen molecule
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what is the difference in bonding between C2H5OH and KCl
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C2H5OH is covalent
KCl is ionic |
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what is hydrolysis
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a chemical process in which a chemical compound is broken down by reaction with water
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what happens when a call is placed in an isotonic solution
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no movement of water
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what type of bonds do native metals like Cu form
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metallic bonds
electrons dispersed among the atoms good electrical conductivity |
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what is entropy
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measure of the amount of disorder (loss of higher level energy) on a system
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what happens during exergonic reactions
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the amount of energy stored in substrates is higher than the energy of products so a portion of energy is released to system during the reaction
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what does the rate of reaction depend on
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reactant concentration
surface area temperature pressure activation energy |
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what do enzymes do
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increase the energy of the reaction
act the best in specific optional conditions = temperature and pressure |
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what happens in competitive inhibition of enzymatic reactions
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inhibitor strongly reset resembles the real substrate and binds to the active site of an enzyme causing inactivation
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name for unsaturated hydrocarbons
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acetylene
2-butyne propyne ethylene |
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name an aromatic hydrocarbon
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phenol
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(R,R1)-CHOH is the general formula for
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secondary alcohol
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which group of alcohols does glycerol belong to
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trihydroxyalcohols
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R-CHO is general formula for what
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aldehyde
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oxidation of aldehyde leads to
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acid
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ester is the product of the reaction of which two substances
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alcohol and acid
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what is the structure of day acid
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carboxylic group with long carbon chain
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in which acids would you find purine bases
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nucleic acids
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what does a racemic mixture contain
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optically inactive molecules
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what is a meso compound
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contains molecules with the same number of symmetric and asymmetric carbons in the same molecule
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what is the structure of imidazole
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5 atom ring with 2N and 3C atoms
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