Chemistry assign chap 11 Assignment 5.1 – Flashcards
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What is the condensed structural formula for an alkane with four carbon atoms?
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CH3-CH2-CH2-CH3
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Organic compounds can only be made by living things because a "vital force" is needed for their creation
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False
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Octane is a seven carbon linear alkane.
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False
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VOIDVOIDVOID
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Question was not listed
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A hydrocarbon contains only the elements
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hydrogen and carbon
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has a carboxylic acid functional group
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False
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Organic compounds usually contain carbon, hydrogen and metal atoms.
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False
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What is the name for a six-carbon continuous-chain alkane?
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hexane
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The simplest cycloalkane has
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three atoms
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The complete combustion of 1 mole of pentane, C5H12, will require how many moles of oxygen, O2 ?
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8 moles
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The reaction of butane with oxygen is called
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combustion
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Functional groups are groups of atoms that act in predictable ways.
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True
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What is the name of the nine-carbon continuous-chain alkane?
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nonane
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Carbon has six valence electrons.
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False
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A formula that shows the arrangement of all bonds in a molecule is called a(n)
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expanded structural formula
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Mineral oil is a liquid hydrocarbon used as a laxative.
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True
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What is the name for a four-carbon continuous-chain alkane?
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butane
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The functional group contained in the compound is a(n
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carboxylic acid
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The functional group contained in the compound CH3 -CH2-CH=CH-CH3 is a(n)
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alcohol
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What is the IUPAC name of this alkane? CH3 CH3 -- CH2 - CH - CH3 H3 H2 - CH3
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2,2,4-trimethylhexane
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The functional group contained in the compound CH3-CH2-NH2 is a(n)
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amine
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Compounds that have the same molecular formula but different arrangements of atoms are called
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isomers
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What is the name of this compound? CH3- CH2- CH2- CH2- CH3
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pentane
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What is the name for an eight-carbon continuous-chain alkane?
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octane
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What is the name of this compound? Cl CH3 -H - CH2 - CH 2 - Cl
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1,3 dichlorobutane
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The balanced equation for the complete combustion of C5H12 will give which of these product(s)?
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5CO2 + 6H2O
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An alkyne is a carbon compound that contains a ________ bond.
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triple
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What is the name of the alkyl group CH3- CH2- CH2-?
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propyl
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There are millions of organic compounds. (T/F)
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True
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Which of the following pairs of formulas represent isomers?
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CH3 CH3 CH3 -H - CH - CH3 and CH3 - CH2 -- CH3 H3 H3
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What is the name for a three-carbon saturated alkyl group?
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propyl
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An alkene is a carbon compound that contains a ________ bond.
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double
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The special feature that determines the family name and chemical reactivity of the organic compound it is found in is called a(n)
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functional group.
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Organic compounds are always highly water soluble. (T/F)
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False
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Compounds that have the same molecular https://quizlet.com/54325179/edit#add-rowformula but different arrangements of atoms are called
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isomers
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Which of the following is not typical of most hydrocarbons?
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high melting point
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What is the name of this compound? CH3- CH2- CH2- CH2- CH2- CH2- CH3
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heptane
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What is(are) the product(s) of the complete combustion of any hydrocarbon?
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CO2 + H2O
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In a condensed structural formula, each carbon atom is
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grouped with its bonded hydrogen atoms.
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Organic liquids are often lighter than water. (T/F)
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True
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The functional group contained in the compound O CH3-CH2-C-O-CH3 is a(n) (ATTN! This formula wouldn't copy so I recreated it the best I could. There is a double bond between the C and the O above it... I hope this makes sense!)
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ester
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What is the name for a ten-carbon continuous-chain alkane?
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decane
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What is the name for a one-carbon alkyl substituent?
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methyl
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Organic chemistry is the study of the chemistry of compounds that contain primarily carbon and hydrogen. (T/F)
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True
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The skeletal formula of an alkane shows
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the carbon skeleton with carbon atoms at the end of a line or as a corner.
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Functional groups always contain atoms other than just carbon and hydrogen. (T/F)
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False
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Carbon atoms always have how many covalent bonds?
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four
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The reaction for the combustion of heptane is C7H16(l) + 11O2(g) → 7CO2(g) + 8H2O(g). How many liters of CO2 at STP are produced from the complete combustion of 2.00 moles of heptane?
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314 L
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Most medicines are organic molecules. (T/F)
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True
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Organic chemistry is the study of the chemistry of compounds of
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carbon.
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Hydrocarbons are the primary constituents of
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fossil fuels.
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What is the name for a two-carbon saturated alkyl group?
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ethyl
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A functional group is a certain group of atoms that
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reacts in a predictable way whenever present.
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Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 °C, and boils at 151 °C?
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Nonane floats on the surface of water.
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According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
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alphabetical without considering prefixes
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Methane has a tetrahedral structure. (T/F)
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True
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Which of the following compounds could have the molecular formula C7H16?
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2,3-dimethylpentane
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The functional group contained in the compound is a(n) O CH3-CH2-C-NH2 (there is a double bond between the C and the O)
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amide.
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When drawing a structural formula, the first step is to draw
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the main carbon chain.
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A cycloalkane
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has two fewer hydrogen atoms than the corresponding alkane.
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According to the IUPAC convention for chemical naming, which part of a hydrocarbon is selected as the main chain for a hydrocarbon chain?
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the longest continuous chain, regardless of bends
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Most organic compounds are flammable. (T/F)
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True
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What is the name for a four-carbon continuous-chain alkane?
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butane
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Solid alkanes are found on the surface of many fruits and vegetables. (T/F)
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True
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The skeletal formula shown is that of ^v^v^(sorry, best i could do with the skeletal formula)
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heptane.
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Nylon, polyester, and most other plastics are organic compounds.
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true
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How many valence electrons does carbon have?
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4
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When naming an alkane, the main chain is the longest continuous carbon chain regardless of bends. (T/F)
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true
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Isomers are molecules that share the same formula and have
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a different arrangement of atoms within the molecule.
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The functional group contained in the compound CH3-CH2-OH is a(n)
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alcohol.
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Methane has a tetrahedral structure.(T/F)
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true
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What is the name for this three-carbon alkyl group? CH3 CHCH3
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iso-propyl
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Identify the functional group in the compound CH3-CH2-SH.
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Thiol
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How does a molecule of a vitamin synthesized in the laboratory behave when compared to the behavior of the same vitamin isolated from a natural source (e.g., vitamin C synthesized, compared to vitamin C from rose hips)?
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Identical in every way
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Organic compounds usually have low melting and boiling points. T/F
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True
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What functional group(s) are present in the following compound? O H2N-CH2-C-CH3
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Amine and Ketone
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The carbon atoms in saturated hydrocarbons
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Have only single bonds.
