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GENERAL CHEMISTRY PRE-REO REVIEW NAME CHEM 400
MATTER, MEASUREMENT, AND PROBLEM SOLVING
1) Identify a liqu id. A) definite volume and definite shape
def i n i te volume and no definite shape C no definite shape and definite volume~) no definite shape and no definite volume
2) IdenW¥..a solid . C6)Jcopper
B) oxygen C) water D) nitrogen E) air
3) Identify a liquid. A) oxygen B) copper
a l t
~ercury ) sugar
4) Draw each of the three main phases of matter such that it is clear what the differences are in (i) spacing , (ii) order and
I f JC ~
« o., /I 0 ) 1
(iii) speed of particles .
s . (
6) Choose the element from the list below. A) sodium chloride B) water
ca rbon dioxide Hum
rust ~ 7} If a solution has a temperature of 355 K, what is its temperature in degrees celsius?
I~ ::::- d-") "3 .(-:;- ---j- 0L:
") 5 c k z: ~--) ~ • J.S- tOe I 1
I
i
---- - - - -- -
--
8) Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder.
- - - ",\
3 5 ;:::
~·035UI'I'-e. d--5 F 9) The outside air temperature is 30°F, what is the temperature in Kelvin?
3 O. z: I, g DL + 3 s. -~ ~ / .. 2 °L l
K ::. ~ ~'3~1 ~ 1-- (-j,1l-t-/~Jlf C
10) How many mL are in 2.54 L? """'" Cr: )~d K J
11) How many rnrn are in 3.20 cm? ,r-'~- _
3,d-{) c rY1 /-!IJtn nl . : / ~ , O 171 m
/ ILlY} L
12) A person is 64 .00 inches tall. How tall is she in em (1 in = 2.54 em exactly)?
(; rJ 6ZJ ~ J1 I d ~ s-L)c: m
/ /Jf
" '/NI.J7_ I. / I'Q(!~~ S r 13) If the walls in a room are 955 square feet in area, and a gallon of paint covers 15 square yards, how many gallons of paint are needed for the room? (3 ft =1 yd)
. /J :.J.. / / \,).. 1 / / C;~-'_ .7T / 0 / " I J~ .._~ ,rj: / f ~7 /
I (311) ;s-/d d- L -""-O-_ _
( q ~~ )/~)/i l_ ~ /,U/Y/
( -q)(; ~) 2
14) A piece of metal are weighs 8.25 g. When a student places it into a graduated cylinder contain ing water, the liquid level rises from 21.25 mL to 26 .47 mL . What is the density of the are?
- , /.,., '/--) _.. \, I · \~ r • ' L' • \ {£; r .;:, (11 ' .. . .:/ ~•. m l/
j) ~f7 1 / t
V
15) The diameter of an atom is approximately 1.0 x 10- 10 m. What is the diameter in millimeters?
16) Because of the high heat and low humidity in the summer in Death Valley, California, a visitor requires about one quart of water for every two miles traveled on foot. Calculate the approximate number of liters required for a person to walk 10.0 kilometers in Death Valley. (1 km =0.62137 mi, 4 qt =1 gal, 1 gal =3.7854 L))
~-_ .
! !,
17) The recommended adult dose of Elixophyllin®, a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 115-lb person. (1 Ib = 453.59 g)
I
3
18) Which of the following measurements has three significant figures? A) 1,207 g B) 4.250 g .Q,l0 .006g
,(Qj,1J.0250 9 E) 0.03750 g
19) A laboratory technician reports that the mass of a growth removed from a patient is 274 .06 g. How many sign ificant figures does this measurement contain?
A) 2 B) 3
4A(EY5
E) none of the above
20) Which of the following numbers contains four significant figures? A) 230 ,110 B) 23,011.0 C) 0.23010 0) 0.0230100
C5J 0.002301
21) What is the total length of two pieces of tubing which measure 4.5 cm and 3.222 cm? Express the answer to the correct number of significant figures.
A) 3.722 cm c;. S-I B) 4.722 cm -j-3~ »g 7.722 em
( 01) 7.7 cm 7,71, I"-E) 8 cm
- / '
22) The volume of a gas sample is recorded as 0.0970 L. How many significant figures is this?
(~ ..-er; 0)5 E) none because this is an exact number
4
ATOMS AND MOLECULES
1) In a chemical reaction , matter is neither created or destroyed . Which law does this refer to? *aw of Definite Proportions
{ B) !)3w of the Conservation of Mass -c)Law of Modern Atomic Theory D) Law of MUltiple Proportions E) First Law of Thermodynamics
2) Identify the description of an atom. A) neutrons and electrons in nucleus ; protons in orbitals ~neutrons in nucleus ; protons 'and electrons in orbitals
([21'protons and neutrons in nucleus ; electrons in orbitals D) protons and electrons in nucleus; neutrons in orbitals E) electrons in nucleus; protons and neutrons in orbitals
3) Isotopes differ in the number of what particle? A) beta particles B} protons
"...Q electrons (9)1 neutrons
E) gamma particles
4) Identify the element that has an atomic number of 40.
z i ( c
5) What element does "X" represent in the following symbol?
SOX35
fj,{fYn iM
6) Determine the number of protons, neutrons and electrons in the following : 2512X
7) What element is defined by the following information? p" =17 n° =20 e- =17
8} Wh~f the following statements about subatomic particles is TRUE? 'Ch
It A) neutral atom contains the same number of protons and electrons. Protons have about the same mass as electrons.
(3:,) Electrons make up most of the mass of an atom. fD) Protons and neutrons have opposite , but equal in magnitude , charges. ?E) Neutrons and electrons are found in the nucleus of an atom .
5
9) yvhat species is rep resented by the follow ing information?
p" =12 n° =14 e- =10
A) Si4+ B)Mg IJ~ ' / / d- c: C) Ne D) s: .ld-r + / Oe@ Mg2+
10) What ion is represented by the following information? p" =17 n° =18 e- =18 / --------
//a J (C/- ; 0Y1c.- --nm //t 7 17e;"
11) On the following periodic table , mark the following areas: m~ls, no~m~ls, noWe~ses , alk~ metals, al k~~arth metals , transition metals , inner transition metals and halogens.
TM:;r:rM 11 The Periodic Table of the Elements
- - - - ~
~ } \II At/ .
r ti .-li;;;.J>l ~Yif...... H ~-'. Orn1.011'9" AK ,({ ' i 9 ' 104 73 l}:,t i · NtBe ,0 : ~' eLi ,/ !A\.,
' r
Lhl~ .... th.),i- ;..~r""""" )f/';:-!. e: .'12.(11(1' B511}9...~ ~ .';'f:"1o.~ 4 1 ~HH2 ' E.:' I U.li }( ~74 Il..,;'..u.ilM
11 12 16' ri ,II I
-·)8lJ ,15I ~ ; 17.' I' P , ArNil Mg AI ' Si-_. ..,...Soo,..o;. *'~- ~'M),t, - T M ~ :!~9 li l ~; );: ~ ' .n ,lJ-tJ{:J '.l;-'); ::-tl ·t · ..., .' ~~~~27-· W I
:!Q 21 26 27 28 29 3019 22 23 24 25 31 32 /35 %3~ , I Se . .: BrAs 'Ti Ni KrCa Cr Mn Fe Co Cu Zn Ca iMrjK 5c V Ge':\ell...,...... ,.~ r~ ,.,.~_",( ;..1<-..,• • (.0110. .."i........... v~,~.... r ... . l>.vr-_(.'\-~ . f. ~..~ ...~, " .. ~ t'. (""'1'\""P",lll"' ''""
. S', _HO~ .s _ ~4j..$O.Oil=: ~_ 9S~ ,* H) :!Ill t.-.l;.c (I~ .~q 1!i 1).'72]J9 '(~9SJ SQ 94I ~ 54. !Ii' ~ .'JH ,* ~~ }) 'null fi:;'54t~ l. l)"t· l Tl .fl l 7~ .?: "4"U" ~ "".9f' /44 4740 42 45 4937 38 39 41 43 46 ~ 50 51 51.. )53\ . '5~Ii.) ., XeSr Zr Ru Rh PdV Mo Tc Ag Cd In SoHb Nb Sb
;.oIil....__~
e ' r/ I /',. ~,"i 1V,_ O;; ~ '<:' ;~~f c.; Mc ~ o,InI r d l.......~b.4 '(01'< ;\~~'" ~~ I r\ ~<.IlI'> \~..,.'~'...:-.M<~"I' ~"''' ' I ..."' "."'~ v!. ,'}4 I;!1.7(,~ 1 Id...~i'l{.'o: .9u~ l3; .s l Or.h": lO1,9-0..sn lOf.4: I ()" ll (,l' :' 1''\ 1..2 '9IB.4i"';O/\ !I'Ji~ 92 .;.,x.3 ~
--19&1 11l..411 1 1 4 .1n ~ 1 1 ~ :"10 l2'. ~'i l."''' '''
8455 56 57 72 73 74 75 76 77 78 79 80 8L 82 83 J~o?\ WBa Re Ir Pt A u H g TI Bi Rn lCs La Hf Ta Os Pb Po
~,~ ,,-, ,~ ,...:,....L. ,.,.t"" ...... v....,, ~ 1".... .. (-~~ ~ Ci'l ~ to ,", u ,·.j' ;. :; 1--.I ,or'\ttIo!IlI\u'n "" ~1<ll;' -"" Tl IOl'-"."f~ ."" . ;~~ i ll;~./(":.',l J. ~. Vfj5 4~ n :':12": LU,.'1US j 11l;\ t4 :I)u l..l I YI), t)6f' 5~ 2IlS:Ql',IB S ( 0 9 )171: .49 191-11" 195 0 : 5: :0l1. ~9 20:'.21&11/"":1': 9 1 ~~O ' 2o·u:oH
87 88 89 104 106 107 108 109 110 II I 112105 Jl 3 114 Ac:Fr Ra Rf Db Bh Mt -,Sg As
'R.......,.... w.._),a' ~I_, .... ~...., ....1I~ . ".m~1 '''''~1 """' 1 s.;~1at\) ""'T~;"7 l ,u(;) m, ) e r,c.)f~{iJ ) 1m ,f2~7 1 t2:62 ~ ' 2(,::5 \ (269 (nil ~ , I
58 62 7159 60 61 63 64 65 66 67
.Er68
-69 70
Pr Nd Pm 8m Eu Gd Ho TmCe Tb Dy Yb Lu l'1_ .,, ~ ...__
Ql,J..~. n........r~ .... .......Jj. '''" ,. ;el r.-. 11001",, 4.~J ,""'" t~""", l ", C'lI''''v"':o"....~. , , 4''1.1Jt, 140')I l.,n {,:,- 1+4 ] t -. 101" I P ,f)4l~U '; 1~ 1 :)M 1 /~ . 'I ; : I ~ :' l M . oI'4~l1;; .· ".:..1~ 1J.4.'}i1'1:':' I ' l "'~ ;y ;
95 vR )02 10390 9 L 92 93 94 97 10196 99 1005 -rtt'< 1..;,__Th Pa Np Pu Am Cm Uk. Cf No LrEs Fm Md .. r_n. ...1-. --1'1............. NIlWrN\o_M,\ ........." \''1oll lbtl _ ~ ~{. ~"..." , "'...."'..- ,-U ~1\, . (2.0 1 ( J:A ~l~.~ R .02~) C!4·t ) -~" j ~7 l ~ ~ (' ):2 U.(l~~l ~:l.I.O..l ~tl~ a~!l-lil'ln t ~ " l l~ "" I "' ~~ l
) )
A. List the ? 9iatomic species: .8 Ii)-. ;V~ G-- 0~J;-<'. fir-
B. List the elements that exist as gase s and liquids at room temperature . Gases (11 of them):
J-/-J- 1J;y ~ OJ- C:!:>:J f!~ ;1)..(J/ At; J:: ~ X~I ~f1
Liquids (2 of them):
;Js , f]YJ-All of th¥rest exist as solids at room temperature!
6
12) Silver has an atomic mass of 107.868 amu. The Ag-109 isotope (108.905 amu) is 48.16%. What is the amu of the other isotope?
1"), VSI{O (I cr, ~ .DSO),}l r" ,) + . :n ~ I / 'X , :) :::. / D7 ,I ,
...'1 1_ ('"' / L! / t 1 (9- V};',I l.P .: - I , / '
/ ~ I<J n .S .-=-' I ~I ( I-:l L~ ~.. ~ r. { . t 't (x ) $1 2~( Y \ 5 ~~ \/1 9)\/
. ,.
13) How many molecules are in 2.50 moles of C02? -~
t 10 [ ... \......
/ J1'10 leOch -:= --- - --'
:) , 5 l ) Ii\. 0 ( ('O }..
14) What mass (in kg) does 5.84 moles of titanium (Ti) have?
/ h o I ;..--; z; 'I 7 , g) !-J I { /
-- r? •( , I • " ,c: . ' , "'y' I .; ~ -' I 0 I I I ' / 1 .1' G ,
- 7/-,,/,.-- ,~ --:-/ r J f.. ,
-- ---r-> ~ .'
/ -..!f:=-,7!::=:==::::~2--_
15) How many moles of Kr are contained in 398 mg of Kr?
Jin v.l /~. r:- .r;'3;, ~{ r: q
16) How many Li atoms are contained in 97.9 9 of Li?
c:
:? C151'd?~ o•39:1) -
18) Calculate the mass (in kg) of 4.87 x 1025 atoms of Zn.
/ r» o!
( C-d.-qIJL ~J-ELEMENTS, COMPOUNDS, AND CHEMICAL EQUATIONS . - . '
1) Elements: If the chemical symbol is given , please write the name of the element. If the name of the element is given, please write the chemical symbol.
A. Br B. copper C. iron D. Hg
D,rfrniK-e 4C-L.--1 Fe m-evLur,Y
E. Na F. oxygen G.H H.P ~ / /,;'0>;:; 6r~ .s.j.lclr~\S Jd lUfY\ 0
I. aluminum J . Ba K.C L. chrom ium
!Jt:( I' IU fY\ Cqr i) ~'t',\ CrIt) M. fluorine N. u O. Pb P.S
.J41/l"rIiWJfUm' /eqriF
2) Ions: If the chemical symbol/formula is given, please write the name of the ion. If the name of the ion is given, please write the chemical symbol/formula.
A. potassium ion B. tin (IV) ion C. aluminum ion D. ammon ium ion
Sn !If-t:+- /f13 -f-- /UHvt
i-
E. sulfide ion F. sulfite ion G. fluoride ion H. phosphate ion
S~- S03d-~ F- ;O(); 3
E. Mg 2+ F. P 3- G. N03 - H. Fe 2+
l;;oyJII~ ;;,'hk /rdY/(ztJ ;m (Ie rrv».s)/110JA eaiu IV'
I. HC03 - J. Ag+ K. Be 2+ L. C2H 302
bi'ra / h fA a. Ie- S // V'lf b~Y/;;UJ11 a re. -k l-e 0jcll'9J e-Ji eQf j.~'rvrk)
8
3) Ionic Compounds: If the chemical formula is given, please write the name of the compound. If the name of the compound is given, please write the chemical formula .
A. aluminum fluoride B. iron(lll) sulfide C. zinc nitrate D. barium bicarbonate
FeJ.. S3 :Z:J1&O~ 6Cf(!!CU_ .s-.VE. Cui F. NH4C 2H 302 G. Sn(S03h H. silver phosphide
co/per(-:rj /ocl;~ a ;11yit on /()I'h.a.(~ .-Iafe /J..J~ ff!J 3. P . -?'-)J1 hrlSt,f! T) :re
4) Acids: If the chemical formula is given, please write the~e of the acid . If the name of the acid is given, please write the chemical formula .
A. nitric acid B. HCI (aq) C. sulfuric acid
'"Ie/roc Ir!o ric: ~Oy
5) Molecular Compounds: If the chemical formula is given , please write the name of the compound. If the name of the compound is given , please write the chemical formula.
O~A. water
!i.u er
B. NH3
C{ mm1n;C\
C. carbon dioxide
COd-D. ethane
C~Cf~ ( L'J-I-/(J
/10+tr,red E. CH4 F. CH3(CH2hCH 3 @ cetone H. CH3CH 2OH
~~ 1'&1'1-1£1 n'e c.~cCJcH3> r::WCW10/ ( C~Hj)-.)
I. CH3(CH2hCH3 K. sulfur dioxide L. propane M. oxygen gas
!Jt.{.+~ ~~~0
5 OJ-. CJ§ CfI,,:c ~ ~3~
0d-6) Balan~ng Equations: Use coefficients to balance the equations below.
7) Interpreting Chemical Equations: Use the balanced equations above to answer the questions below.
a. How many molecules of oxygen afe required t completely react with. Tnoteeu1esof..m.8.. tl:lane2•. II »rec c.;..;. ;)mD!-eC OJ-::. Id.- Rlo/era,4,.s yd
)tno c?7f~ b. How many moles of silver ~'€Me;will be produced from 0.549 mol of silver nitrate?
Sq(7-/llt ie --" ' .
OS-V 9 rn41(j't1J~ Lim 0 MJ..!Y)Y f. 'd-7 ~;"~A-j~yJ j1C}1J1 6/ ru/rJO~ .
