QUIZ 1 .020415
VERSION 4
DR. ALINO
Name:
Date:
CHEM 305 ID:
KiDdly write the test version on your scanton tdrm. Solect the fbllowing choice that best completos or
answers tho question(s). (20 pts total)
l.
Between Co and CO, which are compounds?
@co
c. Both
b. co
d.
2. lodine. Ir, is a/an
@ element
c. Both
b. Compound
l-
Neither
d.
Neilher
What is the chemical symbol lbr Potass;um?
a.P
b. Kr
(9K
bclow?
@gn o
-
sfi3
a.
b.
1Q
d.
5.
It ;s a mixture ofcompounds
It is a mixture of elements
lt is a rnirture,l elenrerrrs and compoundIt is a conpound
Which of the fbllowi g is
tlammabiliry
@density
physical propedy?
c. ability to support combustion
a.
6.
The change ofstate
d. corrosiveness
fron
@ Evaporation
b. Freezing
a
a liquid to a gas is a prccess callcd
c- Sublimation
d. Melting
7.
of-l5"C and a boiling point
soL LIO
6',s
Whal is the slate ofmatter for a crnnpound that has a melting poillt
of65'C wheD the currcrt telnperatufe is 0'C?
\.
.,
n t iquid
(p
a. solid
IJ.
c cas
I
lo'
-tfC
65t
For the ch€micol foaction bclow, carbon dioxide is?
limestorle + heal
t
carbon dioxide
l
lime
producl uflhe reaclion
@ a Compound and llreproduct
ofthe reactlon
b. an l,lement and lhe
c. a Compound and the reactant oflhe rcaction
d.
9.
-24.2 mL ==?(correct signilicant figures)
a. l2l ml,
b. 130 mL
@
121.5 mL
e.
netuer
d. 131.5 mL
(+$ )
(rJr )
,25
X
o2"46t
0.02465*25l1.78F=?(corfect sigrifica t Ilgures)
b.
d.0.t4
0.346
(2.0035
solve
-.--
0.466
b.
0.50
o.t9
( a.oo>s '
@l.+t
d.0.5
1'zo7
/ rnL corre!tlt lo.r signillcanl IiFurcs
'"'"..'."#*n*J'-,."G;;;;^
e.neither
'
12. Exurc..0.02J4h
h.
I3
.
1 hc lbt
a.
b.
2.30x tOrmL d.2.i5x
';j;.
l0rmL
lowing have the same num bcr of
2\0.4
6001
sigri
4SF c.0.oJl!g {sF
4sf @0 0!!f 3sF
14. Convert 0-045 kg to mg- (corrcct Sl:)
mg
nlg
@ +.s * too
a.
l).
Which
@
4.5 x l0-)
O,g?3S t
i
c o'41
Z,tS 16-a,la
ficant figures exoepl
o.**rl_lL,r!4f4* 7 19,6o6CrY
4t9 x
c.4.5 x l0? rng
cl.4.5 x 10r mg
urffi^:
o.*;r" N{:
:
nuf nber is lar o"r' g.2
16, Convert 1502 inr
^7t"
[Hinc
?ff
1
o
mile
:
1.609 km]
.2 i I t'6oq wl
I
tni
tCar
I
lrn
x 106 ftr
d. 4.202 x l0* ff
29r.lt 11
\.9/ 2.027 ft1
c. 6.051
J3o2
lsr
g.+zo?s6s
o.?!rs (rr)
-- =r.soj
(4sF)
c. ncither ( hot.l + o.*(!)
* o;!$ ror?13
- l.3o)-
0.057 + 0-4s2)
a.
t.18
( aJF)
e. neither
c.0.30
ll
- 2tf.4 nL
,21. 4ts mL t l ll's mL
an Elemeot and the rcaclanl ofthe reaclion
145.6'15 mL
i 0.\
l4s.G1s .rL
if
Q.oad[zot't Fts
2.&tpl3
.
tO'
32t,3 n
17. Which olthe following is an evidence ofa chemical rcaction?
a. Helium gas in the balloon
ffl smole coming out liom a car ergrnc
Y
a"t"u* otluitt"s
d.
from roda at room rernperature
Smoke effects in the haunted house (dry ice)
18. Ag is the chemical symbol for what element?
situ".
@
lq. All
c, Argon
'
are exarnples
d. Gold
ola hornogeneous mirrure ercept:
a. Eyedrops
b. Vcgetablc oil
9. ketchup
(.!,lpropane fuel
20. CiveD the equation
vr
Tr=v,
Tz
Solve for T2
ifVl -75.0 rnl- , V2 = 100.0 mL and Tr = 32.6 K.
b.
q) e3oK
Q
@ qt,s K
ooo 43s-y
V1T.2
T1
"l) a4,s t<
e Yr7,
r
V1f;
vt
--
.1"J5erlc#l r;
fS.o,rft
esl '
4a.&ccseeT
1e,5xANS.
-
--