SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
CLEP Chemistry 1
Start Test
Study First
Subjects
:
clep
,
science
,
chemistry
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The degree of randomness of a system is represented by a thermodynamic quantity called? the greater the randomness - the greater the _______.
kinetic molecular theory
entropy
increases
decreases
2. The process of mixing different orbitals of the same atom to form a new set of equivalent orbitals.
...
irreversible and reversible processes
left (Le Chatelier's principle)
hybridyzation
3. The molecules in a gas are in constant - continueous - random - and straight-line motion.
high
positive
ideal gas
kinetic molecular theory
4. The law stating that change in internal energy is equal to the difference between the energy supplied toi the system as heat and the energy removed from the system as work performed on the surroundings.
second law of thermodynamics
first law of thermodynamics
negative
zero
5. The ______ of the system is some particular set of conditions of pressure - temperature - number of moles of each component - and their physical form (ex: gas - liquid - solid or crystalline form).
zero
activation energy
...
state (thermodynamics)
6. For most substances - when a hot concentrated solution is cooled - the excess solid ________. This is useful in purification of the solute.
dynamic equilibrium
electronegativity
equivalent point
crystallizes
7. The molecules in a gas collide with one another - but the collisions are perfectly elastic (they result in no net loss of energy).
saturated solution
non-ideal
kinetic molecular theory
wave mechanical model
8. In a closed system - when opposing changes are taking place at equal rates - the system is said to be in _____ _______.
dynamic equilibrium
decreases
pi bonds
increases
9. The process of determining the amount of a solution of known concentration that is required to react completely with a certain amount of a sample that is being analyzed.
Van der Waals
titration
Charles law
Van der Waals
10. For a cell at concentrations and conditions other than standard - a potential can be calculated using this equation.
first law of thermodynamics
titration
boiling point elevation
Nernst equation
11. *The Concentration usually _____ the chemical reaction rate with increasing concentrations of the reactants.
limiting law
kinetic molecular theory
Van der Waals
increases
12. A process that occurs whent eh system is maintained at constant pressure.
positive charge
Avogrados law
change in enthalpy
isopiestic process (thermodynamics)
13. Electronegativities ________ from left to right in a period.
increases
first law of thermodynamics
state (thermodynamics)
freezing point depression
14. A valence theory that permits the geometric arrangement of atoms - or groups of atoms - about some central atom to be determined solely by considering the repulsions between the electron pairs present in the valence shell of the central atom.
cathode rays
10 degrees
phase equilibrium
Valence Shell Electron Pair Repulsion (VSEPR)
15. In an exothermic process - energy is released and ^E of reaction is ________.
high
melting point
titration
negative
16. The heat required to change 1mole of solid completely to vapor.
boiling point elevation
activation energy barrier (Le Chatelier's principle)
metallic
molar heat of sublimation
17. This process occurs when the system is maintained at the same temperature throughout an experiment.
phase equilibrium
decreases
isothermal process (thermodynamics)
high
18. In titration - this is the point at which a particular indicator changes color.
...
end point
phase equilibrium
total pressure (Le Chatelier's principle)
19. _____ bonds are present in molecules containing double or triple bonds.
high
Le Chatelier's principle
point particles
pi bonds
20. A catalyst lowers the ______ _____ _____ that must be overcome in order for the reaction to proceed. It merely speeds the approach to equilibrium but does not change Keq at all.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
21. Metals have electronegativities less than ____
upper right corner
2
pressure
emits (in atomic spectra)
22. Real gases act in a less than ideal way - especially under conditions of increased pressure and/or decreased temperture. Real gas behavior approaches that of ideal gases as the gas pressure becomes very low. The ideal gas is thus considered a _____ _
ionization energy
limiting law
decreases
increases
23. A chemical reaction where one substance is displacing another. ex: Fe + CuSo4 -> FeSo4 + Cu.
single replacement/displacement
Valence Shell Electron Pair Repulsion (VSEPR)
standard atmospheric pressure
Van der Waals
24. This process occurs when the system is thermally isolated so that no heat enters or leaves.
decomposition
hydrolysis
adiabatic process (thermodynamics)
VSEPR
25. The pressure of a gas is the result of collisions between the gas molecules and the walls of the container.
reversible reaction
...
kinetic molecular theory
Le Chatelier's principle
26. Decreasing the concentrations of reactants shifts the equilibrium to the ______ - thus decreasing the concentration of products formed.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
27. A theory of the hydrogen atom stating that the electron can exist in only certain stable energy levels and that when the electronic state of the atom changes - it must absorb or emit exactly that amound of energy equal to the difference betweent he f
pi bonds
bohr model
valence
partial
28. A law that states that for a given mass of gas - the volume is proportional to the pressure and absolute temperature.
combined gas law
vapor pressure
second law of thermodynamics
limiting law
29. This law states that the entropy of any pure - perfect crystal at absolute zero is equal to zero.
increases
third law of thermodynamics
adiabatic process (thermodynamics)
...
30. This is due to the way positive charges of one molecule attract the negative charges of another molecule. Compounds of the solid state that are bound mainly by this type of attractive have soft crystals - are easily deformed - and vaporize easily.
Van der Waals
point particles
Boyles law
ideal gas
31. When a system at equilibrium is disturbed by adding or removing one of hte substances - all the concentrations will change until a new equilibrium point is reached with the same value of Keq.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
32. The change in enthalpy of an endothermic reaction is ________.
boiling point
isopiestic process (thermodynamics)
positive
equation of state
33. A chemical reaction formed from the breakdown of a compound into its individual elements or compounds.
Boyles law
decomposition
third law of thermodynamics
anode rays
34. _______ has very little effect on the solubility of liquids or solids in liquid solvents.
increases
upper right corner
pressure
decomposition
35. The solubility of gases in liquid or solid solvents always increases with ________ pressure.
heats of formation
increasing
Daltons law
equation of state
36. **As we proceed to the right of the table - ______-forming properties decrease and _____-forming properties increase.
decreases
melting point
base - acid
entropy
37. A chemical reaction where there is an actual exchange of partners to form new compounds. ex: AgNO3 + NaCl -> AgCl + NaNO3.
freezing point depression
double replacement/displacement
sublimation
reversible reaction
38. Rays made up of electrons in basic electron charges.
cathode rays
positive
decreases
left (Le Chatelier's principle)
39. *The surface area exposed affect chemical reactions because most reactions depend on the reactants coming into contact - increasing the rate of the reaction.
positive
increases
...
decreases
40. The enthalpy changes associated with the reactions that correspond to the formation of a substance from its free elements are called?
double replacement/displacement
pressure
heats of formation
lower left corner
41. The _____ speed up the rate of a chemical reaction but do not change the equilibrium constant - it simply speeds up the rate of approach to equilibrium.
electrolytic cells
first law of thermodynamics
catalysts
decreases
42. This law states that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases in mixture.
titration
positive
right (Le Chatelier's principle)
Daltons law
43. A chemical reaction formed from the union of its elements.
2
state functions (thermodynamics)
equilibrium
combination
44. Because of the low intermolecular forces - the melting points are low and evaporation takes place so easily that it may occur at room temperature.
state functions (thermodynamics)
positive charge
activation energy
Van der Waals
45. Gases are composed of tiny - invisible molecules that are widely separated from one another in otherwise empty space.
titration
kinetic molecular theory
limiting law
phase equilibrium
46. Another way the second law is stated is that in any spontaneous change - the amount of free energy available ______.
decreases
base - acid
kinetic molecular theory
Raoult's law
47. The freezing point - boiling point - and vapor pressure of a solution differ from those of the pure solvent by amounts which are directly proportional to the molal concentration of the solute.
lower left corner
double replacement/displacement
colligative property law
...
48. Increase in the concentrations of reactants shifts the equilibrium to the ______ - thus increasing the amount of products formed.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
49. Any spontaneous change in a chemical reaction will decrease the amount of free energy toward _______ as the process proceeds towards equilibrium.
kinetic molecular theory
pi bonds
zero
ionization energy
50. Cells that convert electrical energy into chemical energy.
state functions (thermodynamics)
electrolytic cells
Raoult's law
boiling point elevation
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests