General, Organic, and Biochemistry Final Exam Questions with Verified Answers Latest Update 2024 (Rated A+)
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General, Organic, and Biochemistry Fnal Exm
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General, Organic, And Biochemistry Fnal Exm
General, Organic, and Biochemistry Final Exam Questions with Verified Answers Latest Update 2024 (Rated A+)
Kinetic Energy - Answers Water flowing through a dam is an example of?
Cl is a halogn - Answers Which statement is correct?
3 Significant Figures - Answers How many Significant Figures doe...
General, Organic, and Biochemistry Final Exam Questions with Verified Answers Latest Update 2024
(Rated A+)
Kinetic Energy - Answers Water flowing through a dam is an example of?
Cl is a halogn - Answers Which statement is correct?
3 Significant Figures - Answers How many Significant Figures does 0.00450m have?
2 Significant Figures - Answers How many Significant Figures does 3.6x10^2m have?
3 Significant Figures - Answers How many Significant Figures does 30.1°C have?
5 Significant Figures - Answers How many Significant Figures does27.051mL have?
This is an ion with a charge of +2 because there are two more protons than electrons - Answers Which is
the appropriate description of Sr^2+?
Ca SO
2 4 - Answers The formula for calcium sulfate is?
18e- - Answers How many electrons are contained in sulfide ion?
32 2-
S
16
Frying an egg - Answers Which of the following is a chemical change?
40 40 0 +
Sc-> Ca + ß
21 21 1 - Answers Scandium-40 enters into a reaction in which a positron is emmitted. What is the
correct equation for this reaction?
133 I 53 - Answers Which of the following is an isotope of iodine-131?
Protons / The sum of protons and neutrons - Answers Atmic number and mass number differ in that
atomic number is the number of ____ and the mass number is ______ in an atom's nucleus?
BeS - Answers What is the formula of beryllium sulfide?
12 protons and 10 electrons - Answers How many protons and electrons does Mg^2+ have?
223 219 4
,Ra -> Rn + He
88 86 2 - Answers In an alpha therapy, Radium-233 is used as a radioactive α-emitter. The correct
nuclear equation for this emission event is?
•Mg• - Answers Choose the electron dot structure for a magnesium atom
7
Li
3 - Answers An isotope of lithium contains 3 protons and 4 neutrons. What is the correct notation for
this lithium isotope?
Dinitrigen trioxide - Answers What is the proper name of the compound N 0 ?
23
Hypothesis, experiment - Answers While attempting to start you car, when you turn the key, there is no
response. You suspect that the battery is dead. To determine this, your turn on the light switch. Your
suspicion about the batter is an example of a _______, and your attempt to turn on the headlight is an
example of a _________.
Diphosphorus pentoxide - Answers The proper name for P O is
25
CH3CHOH - Answers Write the condensed structure of propylene glycol, a compound used as a solvent
for drugs is
HHH
|||
H—C—C—C—H
|||
H :O: :O:
||
HH
••
:Cl:
|
, H—C—H
|
H - Answers Dichloromethance, CH2Cl2, is widely used as a solvent. Draw the correct line-bond
structure? In this molecule, carbon is the central atom
——— ———
| :Ö: |
|||
| :Ö—S—Ö: |
| •• | •• |
| :O: |
| •• |
——— ——— - Answers Draw the line-bond structure for SO ^2 ion is
2
BCl (hint: B is the central atom and doesn't have an octet)
3 - Answers Which of the following molecules is polar?
H—C=Ö
| ••
H Trigonal planar shape - Answers The shape of formaldehyde CH2O (C is the central atom) , a
substance often used in building insulation materials, is
ClF (3.9-4.0=1) - Answers Which of the following bonds can be classified as polar?
SO2
Ö=S=Ö
•• •• - Answers Which molecule has a linear geometry?
8- = N and O (H=+2.1, C=+2.5, N=-3.0, O=-3.6 - Answers Which atoms in the following molecule have 8-
charge based on the electronegativeities of the elements?
H
|
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