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4th period Part 2 Final Exam Review–Chemistry Flashcards | StudBud
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4th period Part 2 Final Exam Review–Chemistry
4th period Part 2 Final Exam Review–Chemistry
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Final exam review for College Prep Chemistry
Flashcards
15 cards
F
Practice quiz
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Host live
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Questions
15
Answers
1
Given the reaction 2H
2
+ O
2
--> 2 H
2
O .......
19.25 L
77 L
61 L
110 L
2
If temperature is constant, the relationship between pressure and volume is
direct
inverse
3
What are standard temperature and pressure conditions for gases?
-273°C and 1 atm
0 K and 760 mmHg
0°C and 760 mmHg
0° and 0 atm
4
If 3.0 L of helium at 20.0° C is allowed to expant to 4.4 L, what is the new temperature?
157°C
702°C
-30°C
430°C
5
If pressure of a gas is increased and volume is constant, what will happen to temperature?
decrease
stay the same
increase
6
Answer the following gas law problem
.0329 atm
.0329 kPa
.0658 kPa
.0658 atm
7
Given the equation 2 H
2
+ O
2
--> 2H
2
O ........
4.075 L
8.15 mL
19.30 L
8.15 L
8
Which statement is true if 12 mol of CO and 12 mol of Fe
2
O
3
react? 3CO + Fe
2
O
3
--> 2Fe + 3CO
2
the limiting reactant is CO and 8.0 mol of Fe will be formed
The limitng reactant is Fe2O3 and 36 mol of CO2 will form
The limiting reactant is Fe2O3 and 24 mol of Fe will form
the limiting reactant is CO and 3.0 mol of CO2 will form
9
If pressure is constant, the relationship between temperature and volume is
inverse
direct
10
One way to increase the pressure of a gas is to
decrease temperature
lower the kinetic energy of gas molecules
increase volume
increase the number of gas particles
11
Answer the following question using a gas law:
4.35 L
5.15 L
2.00 L
2.19 L
12
2 Al + 3 CuSO
4
--> Al
2
(SO
4
)
3
+ 3 Cu [how many grams of Cu form from reaction of 51g of Al?]
0.045 g
2.8 g
180 g
81 g
13
2 H
2
+ O
2
--> 2 H
2
O [what mass of water is produced from 2.0 mol of H
2
]
32 g
18 g
36 g
9 g
14
What is % yield if 9.9 g Pb(NO
3
)
2
are heated &give 5.5 g of PbO? 2Pb(NO
3
)
2
--> 2PbO + 4NO
2
+ O
2
44%
82%
67%
56%
15
CH
4
+ 2 O
2
--> 2 H
2
O + CO
2
[16 g of CH
4
reacts and actually produces 41g CO
2
. What is % yield?]
39%
93%
1.1%
2.6%
