Page 343 - Chemistry eBook

ange would cause a sample uble in volume while the nt?
0. K 0. K
0.°C 0.°C
of water has an initial After the sample absorbs rgy, the final temperature
(3) 30.°C (4) 55°C
48 Which volume of 2.0 M NaOH(aq) is needed to completely neutralize 24 milliliters of 1.0 M
HCl(aq)?
(1) 6.0 mL (2) 12 mL
49 Which type of reaction releases the greatest amount of energy per mole of reactant?
Sample Regents Question
June 2011 #47
(3) 24 mL (4) 48 mL
(1) combustion
(2) decomposition
(3) nuclear fusion
(4) oxidation-reduction
re polar, and molecEuxplelasnoaftion: We know that when acids and bases come together, they form a
ains why Br2 is a liquid at t STP?
Choice #4
e polar, and molecules of
form a salt and waterra.nsmutation?
24
ve stronger intermolecular les of I2.
ve stronger intermolecular les of Br2.
(1)94Be+1H→63Li+42He
(2)147N+42He→178O+1H
(3) 239Pu+1n→144Ce+94Kr+21n 94 0 58 36 0
(4) 238U → 234Th + 4He 92 90 2
quation represents an
47 WhichsolutionreactswithLiOH(aq)toproduce a salt and water?
(1) KCl(aq) (3) NaOH(aq) (2) CaO(aq) (4) H2SO4(aq)
Answer
salt and water. LiOH is a base and H SO is an acid. Together, these compounds
50 Which balanced equation represents natural
a
0 0
e
l a
a
r
a u
u eaction?
UNIT 9: ACIDS AND BASES © 342