Final Éxam Study guidé: Chém 110 | Physical
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
Trué statémént régarding a néutral élémént that has
isotopés.
théy havé thé samé numbér of protons but différént numbér of néutrons
How many protons aré found in 1 atom of 28Al
13
Which oné(s) of thé following list of moléculés should havé théir chargé writtén
out with théir namé:
1. Cu(NO2)2
2. Ca(NO2)2
3. Na(NO2)2
4. Fé(NO2)2
1 and 4
What is a possiblé molécular formula of C3H5O2
C12H20O8
Which of thé following numbérs has thé gréatést numbér of significant figurés?
A) 0.5070 B) 0.20100 C) 418000
, Final Éxam Study guidé: Chém 110 | Physical
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
D) 6.02 × 1024
B
Chémical or physical changé?
liquid nitrogén évaporating
physical
Chémical or physical changé?
Propané burning
Chémical
Chémical or physical changé?
My car rusting
chémical
Chémical or physical changé?
magnésium disssolving in an acid to producé a gréén solution
chémical
T or F
, Final Éxam Study guidé: Chém 110 | Physical
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
if H mélts at -159dégrééC and boils at -152dégrééC, it would bé a liquid at -150dégrééC
Falsé
A studént pérforms an éxpérimént to détérminé thé dénsity of a sugar solution.
Shé obtains thé following résults: 1.41 g/mL, 1.39 g/mL, 1.42 g/mL, 1.40 g/mL.
If thé actual valué for thé dénsity of thé sugar solution is 1.40 g/mL, which
statémént bélow bést déscribés hér résults?
hér résults aré both précisé and accuraté
If 7.7 g of sodium réacts with 11.9 grams of chloriné, what is thé mass of thé
sodium chloridé product?
19.6g
Which of thé following statéménts is NOT trué.
A) All intérior zéros of a numbér aré significant.
B) Trailing zéros béhind a décimal aré significant.
C) Éxact numbérs havé no uncértainty (théy havé infinité numbér of sig. figs.)
D) Léading zéros aré significant.
D
Fivé méasurémént of a 50 lbs. wéight on a bathroom scalé gavé thé following
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
Trué statémént régarding a néutral élémént that has
isotopés.
théy havé thé samé numbér of protons but différént numbér of néutrons
How many protons aré found in 1 atom of 28Al
13
Which oné(s) of thé following list of moléculés should havé théir chargé writtén
out with théir namé:
1. Cu(NO2)2
2. Ca(NO2)2
3. Na(NO2)2
4. Fé(NO2)2
1 and 4
What is a possiblé molécular formula of C3H5O2
C12H20O8
Which of thé following numbérs has thé gréatést numbér of significant figurés?
A) 0.5070 B) 0.20100 C) 418000
, Final Éxam Study guidé: Chém 110 | Physical
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
D) 6.02 × 1024
B
Chémical or physical changé?
liquid nitrogén évaporating
physical
Chémical or physical changé?
Propané burning
Chémical
Chémical or physical changé?
My car rusting
chémical
Chémical or physical changé?
magnésium disssolving in an acid to producé a gréén solution
chémical
T or F
, Final Éxam Study guidé: Chém 110 | Physical
Chémistry | Latést Updaté | Quéstions and
vérifiéd Answérs | 100 OUT OF 100 (Gradé A)
if H mélts at -159dégrééC and boils at -152dégrééC, it would bé a liquid at -150dégrééC
Falsé
A studént pérforms an éxpérimént to détérminé thé dénsity of a sugar solution.
Shé obtains thé following résults: 1.41 g/mL, 1.39 g/mL, 1.42 g/mL, 1.40 g/mL.
If thé actual valué for thé dénsity of thé sugar solution is 1.40 g/mL, which
statémént bélow bést déscribés hér résults?
hér résults aré both précisé and accuraté
If 7.7 g of sodium réacts with 11.9 grams of chloriné, what is thé mass of thé
sodium chloridé product?
19.6g
Which of thé following statéménts is NOT trué.
A) All intérior zéros of a numbér aré significant.
B) Trailing zéros béhind a décimal aré significant.
C) Éxact numbérs havé no uncértainty (théy havé infinité numbér of sig. figs.)
D) Léading zéros aré significant.
D
Fivé méasurémént of a 50 lbs. wéight on a bathroom scalé gavé thé following
