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    CHEM 161-2007CHAPTER 1 CHEMISTRY: MATTER AND MEASUREMENT

    PRACTICE PROBLEMSDR. ED TAVSS

    Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i C+*ii#*ti$n $ )*tt&'

    Sinii#*nt /i"'&!P'ii$n!A##"'*#,

    Mi#&++*n&$"

    1

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    UNITS!UNIT CONVERSIONS!DIMENSIONALANALYSIS

    1.

    C&) 161-2007 /in*+ &*)Hi++3 P&t'"##i &t *+.CHAPTER 1 CHEMISTRY: MATTER AND MEASUREMENTUnit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i

    T& %*+"& 0.245 +!in&'&&( in !#)i:N$t&: 1 +. 8 9.6 *n( 1 in. 8 2.9 #).

    A. 1.6 !#)

    B. 4.00 !#)

    C. 16.1 !#)

    D. 9.2 !#)

    E. 20. !#)

    /i't #$n%&'t n")&'*t$'; t&n #$n%&'t (&n$)in*t$'; t&n (i%i(& n"). , (&n$).0.245 + 9.6 !+ 8 11.05 1 in

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    At) i n$t *n SI "nit; t& SI "nit $' '&"'& i n&?t$n &' )&t&' "*'&(

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    D. $C 8 !5

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    12 C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t&(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntUnit #$n%&'i$n

    T& (&nit, $ $+( i 15. !#)

    . >*t i t& (&nit, $ $+( in +!in

    @A. 0.657B. 15.C. 100D. 1000E. 1.20 F 10

    9.5 8 1 +2.9 #) 8 1 in

    15.

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    21 C&) 161-200 /in*+ &*)C*t&' 1 - C&)i#*+ /$"n(*ti$nUnit #$n%&'i$n!(i)&ni$n*+ *n*+,i

    C$n%&'t 21 )in

    )

    int$

    J)

    .

    A. 9.14 10-6J)!B. 1.1 1010J)!C. 9.14 1012J)!D. 1.1 10-2J)!

    E. 9.14 106J)!

    P+*n: ) J); )in )!)in

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    29 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i>i# $ t& $++$?in i n$t * "n(*)&nt*+ "nit $ SI@

    A. B. LC. )$+D. )E.

    3 )$+3 ) *n( *'& *++ SI "nit. A ()i #*++&( * +it&'3 "t n&it&' () n$' L i *n SI "nit.

    1 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,iP'&"'& i $'#&!*'&*. T& SI "nit $' $'#& i F ) F -2. E'& '&"'& in t&') $ *& SI"nit.

    A. )-1-2

    B. )2-2

    C. )

    -2

    D. )-2-2

    E. )--2

    A'&* ?$"+( *%& "nit $ )2.P'&"'& 8

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    11 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i

    >i# '&i i #$''t+, *$#i*t&( ?it it $?&' $ t&n@

    A. ) 10-6

    B. M 10

    C. 10-5

    D. 105

    E. 10-1

    ) 8 )i++i 8 10-

    M 8 )&* 8 106

    8 )i#'$ 8 10-6

    8 i* 8 105

    8 i#$ 8 10-12

    2 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i

    C$n%&'t .6 / t$ &+%in.

    A. 1.1

    B. 246. C. 1.7 D. 91. E. 64.1

    C$8

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    ?$& %$+")& i 2.4 )L i

    A. 9.0 #*'*tB. 2.0 #*'*t

    C. 95 #*'*tD. #$$& ti #$i#& i n$n& $ t& $t&' i #$''tE. 170 #*'*t

    1 #)8 1 )L

    B&in ?it ?*t ,$" n$?3 *n( &n( ?it ?*t ,$"'& t',in t$ in(.2.4 )L

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    2 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,i

    C$n%&'t .6 / t$ &+%in.

    A. 1.1 B. 246. C. 1.7 D. 91. E. 64.1

    C$8

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    1 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1Unit!"nit #$n%&'i$n!(i)&ni$n*+ *n*+,iP'&"'& i $'#&!*'&*. T& SI "nit $' $'#& i F ) F -2. E'& '&"'& in t&') $ *& SI

    "nit.A. )-1-2

    B. )2-2

    C. ) -2

    D. )-2-2

    E. )--2

    A'&* ?$"+( *%& "nit $ )2.P'&"'& 8 *t i t*t (&nit, in !#)@ 1 #*'*t 8 0.2003 1 in. 8

    2.9 #)

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    19. CHEM 161- 2009 /INAL EAM ANS>ERSCHAPTER 1 - CHEMICAL /OUNDATIONSUNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    On * n&? t&)&'*t"'& #*+& *t i

    t& n$')*+ ")*n $(, t&)&'*t"'& in K3 i%&n t*t it i 7.0 C@

    A. 7.0 K

    B. 54.6 K

    C. 65.6 K

    D. 77.0 K

    E. 99.9 K

    $

    C$

    KB$i+in $int 100 120B$(, t&)&'*t"'& 7 /'&&in $int 0 90

    Ti i * )*t&)*ti#*+ int&'$+*ti$n '$+&):

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    KUMDAHL THEDITIONCHEM 161-2002 RECITATION 2ND>EE-2CHAPTER 1 - CHEMICAL /OUNDATIONSUNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    1-7P&'$') t& $++$?in "nit #$n%&'i$n.

    #. A 't*n"+*' $+i( )&*"'& 1.0 ) , .6 #) , 2.1 (). E'& it%$+")& in #"i# in#&.

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    Q TEMPERATURE

    KUMDAHL THEDITIONCHEM 161-2002 RECITATION 2ND>EE-2

    CHAPTER 1 - CHEMICAL /OUNDATIONSUNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    1-95M*n, #&)i#*+ "*ntiti& *'& ii&( * &in )&*"'&( *t 2$C. >*t iti t&)&'*t"'& $n t& /*'&n&it #*+&@ $n t& &+%in #*+&@

    / 8

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    . CHEM 161-2000 EAM I

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSUNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    A #"& $ *n "nn$?n )&t*+ )&*"'& 1.61 )) $n $n& i(&. T& )* $ t& #"& i.4 ). >i# $ t& $++$?in i )$t +i&+, t& "nn$?n )&t*+@

    )&t*+ (&nit, !#)'$(i") 12.9ni$i") 4.7in# 7.19%*n*(i") 6.11i'#$ni") 6.1

    A. in#

    B. '$(i")

    C. ni$i")D. %*n*(i")E. i'#$ni")

    9. CHEM 161-2000 EAM I

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSISC$ni(&' t& $++$?in (*t*:

    M* $ *n &)t, +* 8 4.196 .M* $ t& *)& +* i++&( ?it ?*t&' 8 6.1765 .M* $ t& *)& +* i++&( ?it *n "nn$?n +i"i( 8 7.774 .

    D&nit, $ ?*t&' 8 1.000 !)L.

    B*&( $n t& *$%& (*t*3 ?*t i t& (&nit, $ t& "nn$?n +i"i(@

    A. 0.6644 !)L

    B. 1.95 !)LC. 1.67 !)L

    1

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    D. 1.542 !)LE. .014 !)L

    . CHEM 161-2000 EAM I

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    >i# $ t& $++$?in i t& +$n&t@

    A. 2.0 +0-10#)B. 2.0 n)

    C. 2.0 10-9)D. 200 )E. 2.0 10-5()

    C$n%&'t &%&',tin t$ t& *)& "nit. #) i * #$n%&ni&nt "nit.

    A. 2.0 10-10#)B. 2.0 n)

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    CHEM 161-2001 EAM I ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSUNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    5. >i# t*t&)&nt &t '&+t t& '&+*ti$ni &t?&&n ,$t&i *n( &&'i)&nt*ti$n@A. An &&'i)&nt #*n $n+, '$%& * ,$t&i i t'"&.B. T& '&"+t $ *n &&'i)&nt +&*( t$ * ,$t&i.

    C. An &&'i)&nt #*n (i'$%& * ,$t&i.D. An &&'i)&nt i *n$t&' n*)& $' * ,$t&i.E. A "& $)& * ,$t&i ?&n *n &&'i)&nt '$%& it.

    CHEM 161-2001-HOURLY EAM I ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS20. T& &&(3 in SI *& "nit3 $ * t'*in t'*%&+in *t 12 )i+& &' $"' i:

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    E. -90

    1. CHEM 161- 2002 EAM I ANS>ERSCHAPTER 1 - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIST& n")&' $ #"i# n*n$)&t&' in 1 ) i

    A. 1012

    B. 106

    C. 1027

    D. 10-29

    E. 10-27

    1 n) 8 1 10

    -5

    )1 n)8

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    CHEM 161-1554 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSUNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS97. In t& SI ,t&) $ "nit3 t& '&i '&'&&ntin 10 -6iA. #B. )C. D.

    E. J

    CHEM 161-1555 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS14. >*t i t& *'&* #$%&'&( , 1.00 +it&' $ *int ?&n it i '"&( $n * ?*++?it * "ni$') ti#n& $ 100 )i#'$)&t&'@

    A. 0.100)2

    B. 10.0 )2

    C. 20.0 )2

    D. 1.00)2

    E. 2.00)2

    P+*n: C$n%&'t +it&'3 ?i# i %$+")&3 int$ )3 ?i# i *+$ %$+")&. C$n%&'t )i#'$)&t&' int$ )&t&'

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    C. predictive and testable. D. published. E. an observation.

    CHEM 161-2001 SUMMER /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS29. Convert 75.0 gm2to o!.in2

    A. 1.707 10-

    B. 1.2

    C. 6.720 10-2

    D. 5"5.9

    E. #.$0$ % $0&

    6.

    CHEM 161-2002 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    A##$'(in t$ t& SI ?i# $n& $ t& $++$?in i * #$''t (&initi$n

    A. 1 )$+ i 6.022 102&ntiti&A i #+$& t$ t& #$''t *n?&'3 "t n$t #$''t. T& SI (&initi$n $ t& )$+& i

    t& *)$"nt $ * "t*n#& t*t #$nt*in * )*n, &ntiti& * t&'& *'& in &*#t+, 12 $ #*'$n-12. It * &&n (&t&')in&(3 t'$" &&'i)&nt*ti$n3 t*t ti n")&' i6.022 102. T&'&$'&3 $n& )$+& i 6.022 102&ntiti&3 "t t& +*tt&' int t& SI(&initi$n $ * )$+.

    B. 1 L i 1.000 US "*'tA L i n$t *n SI "nit. T& SI "nit $ %$+")& i ). /"'t&')$'&3 1 L 8 1.07 "*'t.

    C. 1 i t& +&nt $ * +*tin") i'i(i") *' t$'&( in /'*n#&.1 i t& mass$ * +*tin") i'i(i") *' t$'&( in /'*n#&.

    D. C$$& ti #$i#& i n$n& $ t& $t&' i #$''t E. 1 J i 10-)

    1 J i 10-6)

    CHEM 161-2002 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    UNITS!UNIT CONVERSIONS!DIMENSIONAL ANALYSIS

    11. T& n")&' $ #"i# n*n$)&t&' in 1 #)i

    A. 104

    20

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    B. 10-27

    C. 106

    D. 1027

    E. 1021

    St'*t&,: C$n%&'t #) t$ n); t&n #"& $t i(& t$ #*n& #)t$ n).

    1 #)

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    '25 mihr % 52"9 -tmi % $2 in-t % $m&9.# in % $hr'0 min % $min'0 sec 2"0 ms

    6. C&) 161-200 /in*+ &*)

    C*t&' 1 - C&)i#*+ /$"n(*ti$nUnit #$n%&'i$n!(i)&ni$n*+ *n*+,i>i# &t" i #$''t $' t& #$n%&'i$n $ )&*'*)

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    A "t*n#& i *n &+&)&nt $' * #$)$"n(.A. It i n$t *+?*, * #$)$"n(3 *"& it )*, & *n &+&)&nt $' * #$)$"n(.B. A "t*n#& i *n &+&)&nt $' * #$)$"n(; t&'&$'&3 it * (&init& #$)$iti$n *n( (itin#t'$&'ti&.C. A "t*n#& i &it&' *n &+&)&nt $' * #$)$"n(; t&'&$'&3 it i n$t * )it"'&.

    D. A #$)$"n( *+?*, * t?$ $' )$'& &+&)&nt. Sin#& * "t*n#& i *n &+&)&nt $' * #$)$"n(3 *n(*n &+&)&nt i in+& i&3 t&n * "t*n#& )it n$t *%& t?$ $' )$'& &+&)&nt.E. An &+&)&nt i t& "n(*)&nt*+ "i+(in +$# $ )*tt&'3 n$t * "t*n#&3 *"& * "t*n#& )it &* #$)$"n(3 ?i# i n$t * "n(*)&nt*+ "i+(in +$#.

    C&) 161-2007 E*) IHi++3 P&t'"##i &t *+.3 9t&(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntC+*ii#*ti$n $ )*tt&'

    6. >i# $ t& $++$?in i * &t&'$&n&$" )it"'&@

    A. Diti++&( ?*t&'.B. /i+t&'&( *i'C. Vin&*'

    D. A '"it )$$ti&E. A +* $$+ Ai(TM

    i# $ t& $++$?in i *n &*)+& $ * #&)i#*+ #*n&@

    A. )&+tin i#&B. *((in #*'$n t$ i'$n t$ )*& t&&+C. C*'$n (i$i(& *in '$) $(*

    2

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    D. P$t$,nt&i t"'nin CO2*n( ?*t&' int$ +"#$&E. S"*' #',t*++iin $"t $ $n&,

    A #&)i#*+ #*n& i $n& in ?i# t& t'"#t"'& $ t& )$+"+& #*n&.A. >&n i#& )&+t3 H2O

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    90 C&) 161-2006 /in*+ E*)C*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntC+*ii#*ti$n $ M*tt&'

    >i# $ t& $++$?in i * &t&'$&n&$" )it"'&@

    A. C+&*' *+& "i#&B. /i+t&'&( &* ?*t&'

    C. C$n#'&t&D. Vin&*'E. T*+& *+t

    A )it"'& #$nt*in t?$ $' )$'& "t*n#&. H&t&'$&n&$" )&*n t*t "n(&' * i)+&+*$'*t$', )i#'$#$& it &iit *t +&*t t?$ *&.A. /*+&. Ti i * )it"'& in t*t it #$nt*in *t +&*t +*%$'*nt3 ?&&t&n&' *n( ?*t&'. Iti $)$&n&$" "n(&' * +*$'*t$', )i#'$#$&.B. /*+&. Ti i * )it"'& in t*t it #$nt*in *t +&*t $(i") #+$'i(& *n( ?*t&'. It i

    $)$&n&$" "n(&' * +*$'*t$', )i#'$#$&.C. T'"&. Ti i * )it"'& in t*t it #$nt*in * )it"'& $ *t +&*t %*'i$" t,& $i+i#*t& *n( ?*t&'. It i &t&'$&n&$" t$ t& n*&( &,& *n( t&'&$'& "n(&' * i)+&+*$'*t$', )i#'$#$&.D. /*+&. Ti i * )it"'& in t*t it #$nt*in *#&ti# *#i( *n( ?*t&'. It i $)$&n&$""n(&' * +*$'*t$', )i#'$#$&.E. /*+&. Ti i * )it"'& in t*t it #$nt*in $(i") #+$'i(& *n( $(i") i$(i(&. It i$)$&n&$" "n(&' * +*$'*t$', )i#'$#$&.

    20 C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t &(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntC+*ii#*ti$n *n( &*'*ti$n $ )*tt&'

    >i# $ t& $++$?in ,i#*+ "*ntiti& i n$t * *& "nit $ t& SI@A. +&nt

    B. %$+")&C. )*D. t&)&'*t"'&E. ti)&

    V$+")& i n$t *n SI *& "nit. V$+")& i * (&'i%&( "nit3 in ?i# +&nt i #"&(.

    B

    2

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    15 C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t &(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntC+*ii#*ti$n *n( &*'*ti$n $ )*tt&'

    >i# $ t& $++$?in t*t&)&nt i *+&@A. On+, &&'i)&nt*+ '&"+t t*t *'& #$nit&nt ?it ,$"' ,$t&i *'$ni(&'&( %*+i(.B. A ,$t&i $"+( & * i)+& * $i+& t$ *##$"nt $' t& $&'%*ti$n.C. S#i&ntii# +*? *'& 'i& t*t&)&nt "))*'iin +*'& *)$"nt $ #i&ntii#(*t*.D. A ,$t&i i * t&nt*ti%& &+*n*ti$n $' '&(i#ti$n ?i# #*n & t&t&( ,&&'i)&nt.E. A ,$t&i )"t & #$nit&nt ?it *++ n$?n in$')*ti$n.

    A. /*+&. Ti )&*n t*t i t& &&'i)&nt*+ '&"+t *'& in#$nit&nt ?it ,$"'

    ,$t&i t&n t& &&'i)&nt*+ '&"+t *'& n$t %*+i(. Ti i n$t t'"&. I t&&&'i)&nt*+ '&"+t *'& in#$nit&nt ?it ,$"' ,$t&i t&n t& ,$t&i iin%*+i(3 n$t t& &&'i)&nt*+ '&"+t. E&'i)&nt*+ '&"+t

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    17 C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t&(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntC+*ii#*ti$n *n( &*'*ti$n $ )*tt&'

    >i# $ t& $++$?in ($& n$t '&'&&nt * ,i#*+ '$&'t,@A. #+*'it,B. *'(n&C. )&+tin $int

    D. +*))*i+it,E. #$+$'

    A. A #*n& in #+*'it, #*n #$)& *$"t , &*tin * "t*n#&. Ti ($& n$t '&"i'&* #*n& in t& #&)i#*+ t'"#t"'& $ * )$+"+&. H&n#&3 #+*'it, i * ,i#*+ #*n&.B. A #*n& in *'(n& #*n #$)& *$"t , &*tin * "t*n#&. Ti ($& n$t'&"i'& * #*n& in t& #&)i#*+ t'"#t"'& $ * )$+"+&. H&n#&3 *'(n& i *

    ,i#*+ #*n&.C. >&n * "t*n#& )&+t3 t&'& i n$ *##$)*n,in #*n& in t& #&)i#*+t'"#t"'& $ * )$+"+&. H&n#&3 )&+tin $int i * ,i#*+ #*n&.D. /+*))*i+it, i '&+*t&( t$ "'nin i# $ t& $++$?in i * &t&'$&n&$" )it"'&@A. %&&t*+& $i+B. ?*t&'C. %in&*'

    D. >in(&TM+* #+&*n&'

    E. '$$t &&' +$*t

    A3 B3 C *n( D *'& *++ $)$&n&$" $+"ti$n. E #$nit $ i#&-#'&*) *n( $(*. It#$nit $ )*n, "t*n#&3

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    5 C&) 161-200 E*) I

    K")(*+ 6t &(iti$nC*t&' 1C+*ii#*ti$n $ )*tt&'>i# $ t& $++$?in i n$t * ,i#*+ #*n&@A. Diti++in *$+in& '$) #'"(& $i+B. B$i+in ?*t&'C. Di$+%in "*' in ?*t&'

    D. /&')&ntin '*& "i#& t$ )*& ?in&E. C',t*++iin '$# #*n(, '$) * "*' $+"ti$n

    A ,i#*+ #*n& i * #*n& in t& $') $ * "t*n#&3 "t n$t in it #&)i#*+ #$)$iti$n; &..3

    H2O

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    1 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1C+*ii#*ti$n $ )*tt&'>i# +it "t &*# )*t&'i*+ in t& #$''t #*t&$',@

    C$)$"n( H$)$&n&$")it"'& H&t&'$&n&$")it"'&

    A. A'$n Mi+ C+&*n *i'

    B. M*'+& &++$W t&&+

    C. >*t&' /i+t&'&( &* ?*t&' )*'+&

    D. '*nit& *n( Mi+

    E. I'$n T$)*t$ "i#& T*+& *+t

    C$)$"n(: A "t*n#& t*t #*n & '$&n ($?n int$ &+&)&nt , #&)i#*+ '$#&&.A'$n i n$t * #$)$"n(. It i *n &+&)&nt. M*'+& i n$t * "'& #$)$"n(. It i C*CO

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    C+*ii#*ti$n *n( S&*'*ti$n $ M*tt&'H$? )*n, $ t& $++$?in *'& "'& "t*n#&@ %it*)in C3 #+&*n i+t&'&( *i'3 "'&n$n*t )i+3 * '*n( n&? "*'t&'.

    A. t'&& $ t&)

    B. $n& $ t&)C. t?$ $ t&)D. n$n& $ t&)E. *++ $ t&)

    Vit*)in C i *#$'i# *#i(. T*t i * "'& "t*n#&; i.&.3 #$))$n &*'*ti$n&&'i)&nt3 &..3 $i+in3 '&&in3 i+t'*ti$n3 )i#'$#$i# &*)in*ti$n ?i++ n$t &*'*t&it int$ )$'& t*n $n& #$)$n&nt.C+&*n i+t&'&( *i' #*n & &*'*t&( , #',$#$i#

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    1 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1C+*ii#*ti$n $ )*tt&'>i# +it "t &*# )*t&'i*+ in t& #$''t #*t&$',@

    C$)$"n( H$)$&n&$")it"'& H&t&'$&n&$")it"'&

    A. A'$n Mi+ C+&*n *i'

    B. M*'+& &++$W t&&+

    C. >*t&' /i+t&'&( &* ?*t&' )*'+&

    D. '*nit& *n( Mi+

    E. I'$n T$)*t$ "i#& T*+& *+t

    C$)$"n(: A "t*n#& t*t #*n & '$&n ($?n int$ &+&)&nt , #&)i#*+ '$#&&.A'$n i n$t * #$)$"n(. It i *n &+&)&nt. M*'+& i n$t * "'& #$)$"n(. It i C*CO

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    5 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1C+*ii#*ti$n $ )*tt&'>i# $ t& $++$?in i n$t * ,i#*+ #*n&@

    A. Diti++in *$+in& '$) #'"(& $i+B. B$i+in ?*t&'C. Di$+%in "*' in ?*t&'

    D. /&')&ntin '*& "i#& t$ )*& ?in&E. C',t*++iin '$# #*n(, '$) * "*' $+"ti$n

    A ,i#*+ #*n& i * #*n& in t& $') $ * "t*n#&3 "t n$t in it #&)i#*+ #$)$iti$n; &..3H2O

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    . +$$( i * )it"'& $ n")&'$" #&)i#*+ #$)$"n(. It #$nt*in ?*t&'3&)$+$in3 *++ $ t& '$t&in in '&( +$$( #&++3 &t#.

    (. i'$n i * "'& "t*n#& i# $ t& $++$?in *'& #&)i#*+ '$#&&@

    1. '"tin $ * n*i+2. '&&in $ ?*t&'. ($)$iti$n $ ?*t&' int$ ,('$&n *n( $,&n *&9. #$)'&i$n $ $,&n *

    A. 23 3 X 9B. 13 3 X 9

    C. 1 X D. 1 X 2E. 1 X 9

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    CHEM 161-2001 EAM I ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSCLASSI/ICATION O/ MATTER1. /$' ?i# $ t& $++$?in #*n t& #$)$iti$n %*',@

    1. "'& "t*n#&2. &+&)&nt. $)$&n&$" )it"'&9. &t&'$&n&$" )it"'&

    A. 1 $n+,B. 2 $n+,C. $n+,D. 9 $n+,

    E. B$t *n( 9

    CHEM 161-2001-HOURLY EAM I ANS>ERSKUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSCLASSI/ICATION O/ MATTER1.C$ni(&' t& $++$?in:

    >.*n 4 $ +* $ $'*n& "i#&..*n 4 $ +* $ C$#*-C$+*.Y.1 L $ #+&*n *i'.K.4 $ $ t&&+.

    >i# *'& $)$&n&$"@

    A.n$n& $ t&)B.*++ $ t&)C.> *n( D.>3 3 *n( Y

    E.Y *n( K

    2. CHEM 161- 2002 EAM I ANS>ERSCHAPTER 1 - CHEMICAL /OUNDATIONS

    CLASSI/ICATION O/ MATTER>i# $ t& $++$?in i n$t * "'& "t*n#&@

    A. C$$& ti #$i#& i *++ t& $t&' #$i#& *'& "'& "t*n#&B. (init'$&n &nt$i(&

    C. "'&3 (', *i' D. i'$n #i $ %*'i$" *&

    9

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    E. n*t"'*++, $##"''in $'$n #$nt*inin 10B *n( 11B

    A++ "t*n#& *'& &it&' &+&)&nt $' #$)$"n(. A "'& "t*n#& i $n& #$nitin$n+, $ *n &+&)&nt $' * #$)$"n(. H2O i * "t*n#&3 "t &* ?*t&'3 ?i# *+$#$nt*in $t&' "t*n#& ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    CLASSI/ICATION O/ MATTER1. >i# $n& $ t& $++$?in t*t&)&nt i *+&@A. Mit"'& #*n & &it&' $)$&n&$" $' &t&'$&n&$".B. A )it"'& #*n & &*'*t&( , )*in "& $ t& ,i#*+ '$&'ti& $ it #$)$n&nt.C. M*tt&' #*n & *3 +i"i( $' $+i(.

    D. E+&)&nt #*n & $t*in&( '$) #$)$"n( , ,i#*+ tni"&.E. I$t$i# )it"'& $ &+&)&nt #$nt*in &+&)&nt ?it (i&'&nt )*&.

    CHEM 161-2001 SUMMER /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    CLASSI/ICATION O/ MATTER. >i# $ t& $++$?in i n$t * ,i#*+ #*n&@A. B$i+in ?*t&'

    B. A )&t*+ (i$+%in in *n *#i(

    C. M*in "*' ?*t&'D. /i+t&'in *i' t$ '&)$%& $$tE. Diti++in ?i&,

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    SINI/ICANT /IURES!PRECISION!ACCURAC

    10.C&) 161-2007 /in*+ &*)

    Hi++3 P&t'"##i &t *+.CHAPTER 1 CHEMISTRY: MATTER AND MEASUREMENTSinii#*nt /i"'&!P'ii$n!A##"'*#,

    >i# * t& )$t inii#*nt i"'&@

    A. T& (it*n#& '$) B"# t$ D$"+* i 6.9 ).B. T& %*+"& $ 12 ti#&t *t 4 ($++*' &*#

    C. T& '$("#t $ 6.022 102*n( .011 )$+&D. T& "$ti&nt $ 2.0 #) *n( 1.0 #)E. T& ") $ 12.0 *n( 1.01

    A. Dit*n#& i )&*"'&(. It * S./..B. 12 ti#&t i $)&tin t*t i #$"nt&(3 $ it i *n &*#t n")&'; i.&.3 it **n ininit& n")&' $ inii#*nt i"'&. T& )&*nin $ 4 ($++*' i#$nt'$%&'i*+. S$)& #$ni(&' * +it 'i#& $ 4 ($++*' * *%in $n& inii#*nti"'&. T*t i3 i 4 ($++*' i t& +it 'i#& t&n it i $i+& t*t ,$" ?$"+( *'&( G7.5 $' G4.1 $' * ti#&t. >it ti int&''&t*ti$n t& %*+"& $ 12ti#&t *t 4 ($++*' &*# i G1 1023 ?i# i $n& inii#*nt i"'&. Ot&'

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    C*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntSinii#*nt /i"'&!P'ii$n!A##"'*#,5. T$ $? )*n, inii#*nt i"'& #*n t& *n?&' t$ t& $++$? &"*ti$n & '&$'t&(@ N$t&: n$n& $ t&n")&' i &*#t.

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    St"(&nt A St"(&nt B St"(&nt CA%&'*& .00 9.2 .0M&*n (i&'&n#& '$) t& *%&'*& 0.2 0.02 0.40

    A##"'*#, )&*n t& #+$&n& $ t& *%&'*& t$ t& #$''t *n?&'. St"(&nt A *%&'*& i %&', *##"'*t&3in t*t t& *%&'*& ist& #$''t *n?&'. T& *##"'*#i& $ St"(&nt B *n( St"(&nt C *'& $$'.

    P'ii$n )&*n '&'$("#ii+it,3 $' #+$&n& t$ it $?n *%&'*&. St"(&nt B '&'$("#ii+it, i &++&nt3?i+& t& '&'$("#ii+iti& $ St"(&nt A *n( St"(&nt C *'& "it& $$'.

    B. St"(&nt A i t& )$t *##"'*t&. St"(&nt B i t& )$t 'i&. St"(&nt C i n&it&' 'i& n$'*##"'*t&.

    91 C&) 161-2006 /in*+ E*)C*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntSinii#*nt i"'&; P'ii$n; A##"'*#,

    >i# &t )*t#& t& t&') ?it t& '*& t*t ('i& t& t&')@

    A. P'ii$n: #$nit&n#, $ '&"+t; *##"'*#,: #+$&n& t$ t& t'"& %*+"&.B. P'ii$n: #+$&n& t$ t& t'"& %*+"&; *##"'*#,: #$nit&n#, $ '&"+t.C. P'ii$n: n")&' $ ti)& t& &&'i)&nt i '&&*t&(; *##"'*#,: #*'& t*&n ?it

    t& (*t*.D. P'ii$n: n")&' $ inii#*nt (iit ,$" #*n '&*( $n t& &"i)&nt; *##"'*#,:#$nit&n#, $ '&"+t.E. P'ii$n *n( *##"'*#, $t )&*n #+$&n& t$ t& t'"& %*+"&.

    A. T'"&. P'ii$n i #$nit&n#,

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    2 C&) 161-2006 /in*+ E*)C*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&nt

    Sinii#*nt i"'&

    P&'$') t& $++$?in #*+#"+*ti$n *n( &'& t& *n?&' t$ t& #$''t n")&' $inii#*nt i"'&.

    1054.:

    0:.05742.4

    A. 0.6B. 0.62C. 0.617D. 0.6170

    E. 1

    0.0!0.0054 8 4.612 8 1 inii#*nt i"'&4.5742 4.612 8 0.6170Sin#& 0.0 * $n+, $n& inii#*nt i"'&3 t&n 4.612 * $n+, $n& inii#*nt i"'&.T&'&$'&3 $n+, t& 4 i inii#*nt. 4.5742 4.612 #*n & t$"t $ * 4.5742 4.H&n#&3 0.6170 * t$ & '$"n(&( t$ n$ (iit *t&' t& (i)*+ $int. Ti i 1.

    E

    5

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    4 C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t&(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&ntSinii#*nt i"'&

    >*t *'& t& '&"+t $ t& $++$?in t?$ #*+#"+*ti$n3 &'&&( '&ti%&+,3 t$ t$''t n")&' $ inii#*nt i"'&@C*+#"+*ti$n A: 410.!2.0 C*+#"+*ti$n B: 2.6 0.0006 1.9

    A. 2.3 9.09

    B. 23 9.0C. 2.3 9.0D. .103 9.09E. 2.3 9.06

    C*+#"+*ti$n A: inii#*nt i"'& (i%i(&( , inii#*nt i"'& i. i"'&

    410.!2.0 8 .226 1028 .2 1028 2

    C*+#"+*ti$n B: 1.9 * $n+, $n& i"'& t$ t& 'it $ t& (i)*+ $int. 2.6 0.0006 1.9 8 9.006 8 9.0

    B

    C&) 161-2006 E*) IHi++3 P&t'"##i &t *+.3 9t&(iti$nC*t&' 1 C&)it',: M*tt&' *n( M&*"'&)&nt

    Sinii#*nt i"'&

    T& 'ii$n $ * (*t* &t i #$ni(&'&( t$ & $$'3 iA. t& (*t* ($ n$t t'*, '$) t& *%&'*& %*+"&.B. t& *##"'*#, i +$?.

    C. t& (*t* %*', ?i(&+, '$) t& *%&'*& %*+"&.D. t& (*t* *'& * &t $ #+$&+, *#&( n")&'.E. t& *##"'*#, i i.

    A. I t& (*t* ($ n$t t'*, '$) t& *%&'*& %*+"&3 t&n3 , (&initi$n3 t& 'ii$n

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    94 C&) 161-200 /in*+ &*)C*t&' 1 - C&)i#*+ /$"n(*ti$nSinii#*nt i"'&T$ $? )*n, inii#*nt i"'&*t i t& '&"'& in P*&'&&( in #i&ntii# n$t*ti$n i t& '&"'& ?&'& 0.47 *t)@

    A. 44.7 F 10P*B. 1.16 F 10P*

    C. 4.47 F 109P*D. 4.69 F 10-6P*E. 4.7 F 10-1 P*

    0.47 *t)

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    C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Sinii#*nt i"'&!P'ii$n!A##"'*#,>&n t& $++$?in #*+#"+*ti$n i &'$')&(3 $? )*n, inii#*nt i"'& ?i++ & in t& in*+

    *n?&'@( )

    2096.2

    7605.27612.2

    A. 1B. 2C. D. 9E.

    2.7612 - 2.7605 8 0.000

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    6 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1Sinii#*nt i"'&!P'ii$n!A##"'*#,T'&& t"(&nt ?&'& )&*"'in t& (&nit, $ * #$)$"n(3 ?$& *#t"*+ (&nit, i 7.1!#).

    E*# )&*"'&( t& (&nit, 9 ti)&. /'$) t& (*t* &+$?3 ?i# t*t&)&nt &t #*'*#t&'i& t&i''&"+t@

    St"(&nt D&nit,

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    10 C&) 161-2009 E*) IK")(*+ 6t&(iti$nC*t&' 1Sinii#*nt i"'&!P'ii$n!A##"'*#,T& *%&'*& *t)$&'i# '&"'& *t &* +&%&+ i 10132 P* $' 1 *t). >*t i t& '&"'& in P*

    &'&&( in #i&ntii# n$t*ti$n i t& '&"'& ?&'& 0.47 *t)@A. 44.7 F 10P*B. 1.16 F 10P*

    C. 4.47 F 109P*D. 4.69 F 10-6P*E. 4.7 F 10-1 P*

    0.47 *t)

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    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONSSINI/ICANT /IURES!PRECISION!ACCURACY>*t i t& #$''t n")&' $ inii#*nt i"'& in t& '&"+t $ t& $++$?in#*+#"+*ti$n@

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    A. t& (it*n#& '$) D$"+* t$ B"# $ 6.9 ).

    B. t& *)$"nt $ )$n&, #$++t&( '$) 117 t"(&nt *,in G5 &*#$' * #$n#&'t ti#&t.

    C. t& '$("#t $ 6.0221 102*n( .111 )$+&. D. t& "$ti&nt $ 2 #) *n( #). E. t& ") $ 12 *n( 1.013 t& *t$)i# ?&it $ C *n( H.

    16. CHEM 161- 2002 EAM I ANS>ERSCHAPTER 1 - CHEMICAL /OUNDATIONSSINI/ICANT /IURES!PRECISION3 ACCURACY>i# $n& $ t& $++$?in t*t&)&nt i t'"&@

    A. Hi 'ii$n *+?*, in(i#*t& i *##"'*#,On& #*n *%& %&', i 'ii$n3 "t i t& int'")&nt i n$t "n#ti$nin #$''t+, t&nit )it n$t '$%i(& t& #$''t *n?&'3 t&'&$'& +$? *##"'*#,.

    B. C$$& ti #$i#& i n$n& $ t& $t&' i t'"&C. A )&*"'&)&nt $)& )$'& *##"'*t& t& )$'& it i '&&*t&(I t& int'")&nt i n$t "n#ti$nin #$''t+, t&n it )it n$t '$%i(& t& #$''t *n?&'n$ )*tt&' $? )*n, ti)& t& )&*"'&)&nt i '&&*t&(..D. >& #*n *+?*, (&t&')in& t& *##"'*#, $ $"' )&*"'&)&ntOn+, i ?& n$? t& #$''t *n?&'.E. U& $ &&ni%& int'")&nt*ti$n "*'*nt&& i *##"'*#,An &&ni%& int'")&nt )it & "n.

    2. CHEM 161- 2002 EAM I ANS>ERSCHAPTER 1 - CHEMICAL /OUNDATIONSSINI/ICANT /IURES!PRECISION3 ACCURACY

    T& &t *n?&' $' t& #*+#"+*ti$n

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    CHEM 161-1554 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    SINI/ICANT /IURES!PRECISION!ACCURACY1. T& t$t*+ n")&' $ inii#*nt i"'& in t& $++$?in )&*"'&)&nt $ +&nt l i:

    0 l

    Z Z Z Z Z Z Z Z Z Z Z0 0.00 0.100

    A. 1

    B. 2

    C. D. 9E.

    CHEM 161-1555 /INAL EAM ANS>ERS

    KUMDAHL CHAPTER I - CHEMICAL /OUNDATIONS

    SINI/ICANT /IURES!PRECISION!ACCURACY1. T& *n?&' $' t& $++$?in )*t&)*ti#*+ $&'*ti$n

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    KUMDAHL THEDITIONCHEM 161-2002 RECITATION 2ND>EE-2CHAPTER 1 - CHEMICAL /OUNDATIONSSINI/ICANT /IURES!PRECISION!ACCURACY

    1-27 )$(.

    >'it& t& n")&' &+$? in t*n(*'( &$n&nti*+ n$t*ti$n.

    St*n(*'( &$n&nti*+ n$t*ti$n3 *+$ n$?n * #i&ntii# n$t*ti$n3 i * in+&(iit $++$?&( , * (i)*+ $int3 $++$?&( , $t&' (iit

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    KUMDAHL THEDITIONCHEM 161-2002 RECITATION 2ND>EE-2CHAPTER 1 - CHEMICAL /OUNDATIONSSINI/ICANT /IURES!PRECISION!ACCURACY

    1-1

    P&'$') t& $++$?in )*t&)*ti#*+ $&'*ti$n3 *n( &'& &*# '&"+t t$ t$''t n")&' $ inii#*nt i"'&.

    /i't ($ t& *((iti$n *n( "t'*#ti$n t$ (&t&')in& t& n")&' $ inii#*nti"'& in t*t *n?&'; t&n ($ )"+ti+i#*ti$n $' (i%ii$n:

    #.

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    (0.00002$"& ,his has # *;s there-ore 0.00002$"& " places a-ter the dec point.

    0.00'#'#$7 is limited by the -our places a-ter the decimal point in 0.00'5 and there-ore also has #

    places a-ter the decimal point 8hich results in 0.00'#'#$7 rounding o-- to 0.00'5 '.5 % $0(&

    11. C&) 161-200 /in*+ &*)C*t&' 1 - C&)i#*+ /$"n(*ti$nSinii#*nt i"'&T& $+"ti$n ?it t& #$''t n")&' $ inii#*nt i"'& t$

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    MISCELLANEOUS

    2 C&) 161-200 E*) IK")(*+ 6t&(iti$nC*t&' 1Mi#&++*n&$"T$ t&t * ,$t&i3 ?& '"n * #$nt'$++&( &&'i)&nt. >& n&&( t$ n$? ?*t $iti%& *n(n&*ti%& '&"+t )&*n. >i# $ t& $++$?in ?$"+( & *n &*)+& $ $n& $ t&& #$nt'$+@

    A. T&tin * $i+ *)+& ?it * &ti#i(& *((&( &$'& *tt&)tin t$ )&*"'& &ti#i(& +&%&+in *)+& '$) *').

    B. R&%i&?in '&"+t '$) $t&' &&'i)&nt&' &$'& +*nnin *n &&'i)&nt.C. T&tin )*n, *)+& $' (i&'&nt +$#*ti$n t$ )*& "'& t& '&"+t *'& '&'$("#i+&.D. M&*"'in &ti#i(& +&%&+ *t (i&'&nt ti)& $ (*,3 t$ (&t&')in& i '*in $' (&? #*n& t& #$n#&nt'*ti$n.E. C$)*'in "'*n *n( '"'*+ *)+& t$ )&*"'& t& &t $ ?in( $n $++"t*nt..

    A $iti%& #$nt'$+ i * #&++ in *n &&'i)&nt*+ t"(, ?i# i &t " t$ '$%i(& * '&&'&n#& $int$' t& (&i'&( '&"+t. A n&*ti%& #$nt'$+ i * #&++ in *n &&'i)&nt*+ t"(, ?i# i &t " t$'$%i(& * '&&'&n#& $int $' t& *&n#& $ t& (&i'&( &t.A. Ti i * $iti%& #$nt'$+. I * ii&( $ &ti#i(& i "t int$ t& $i+ *)+&3 *n( t&n*n*+,&( *##&t*+,3 it ?i++ &'%& * * '&&'&n#& $int.

    B. A '&%i&? i n$t *n &&'i)&nt*+ #&++. A #$nt'$+ )"t & *n &&'i)&nt*+ #&++.C. R&'$("#ii+it, i i)$'t*nt3 "t it ($&nt &'%& * * $iti%& $' n&*ti%& '&&'&n#& $int.D. Ti i *n &&'i)&nt*+ #&++3 n$t * $iti%& $' n&*ti%& #$nt'$+ #&++.E. Ti *+$ i *n &&'i)&nt*+ #&++3 n$t * $iti%& $' n&*ti%& #$nt'$+ #&++.