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Test your basic knowledge |
Electrical Engineering Chemistry
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 29 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 loss of electrons or an increase in oxidation state by a molecule - atom - or ion
Oxidation
First Law of Thermodynamics
Sublimation
pH
2. A special case of Raoult's Law applied to dilute systems
3. Energy is conserved; dU=dQ- dW+dG
Arrhenius Equation
Ideal System
Reduction
First Law of Thermodynamics
4. A system's resistance to changes in pH
Ideal System
Reduction
Buffering Capacity
Gibbs Free Energy
5. A species that can release or donate a hydrogen ion (proton)
Reduction
Acid
pH
Arrhenius Equation
6. The gain of electrons or a decrease in oxidation state by a molecule - atom - or ion
Gibbs Free Energy
Reduction
Henry's Law Constant
First Law of Thermodynamics
7. The transformation of a compound from its solid to gaseous state
Electrolytes
Buffering Capacity
Henry's Law
Sublimation
8. All systems tend to lose useful energy and approach a state of minimum free energy or an equilibrium state. G = H - T x S
Adsorption
Alkalinity
Second Law of Thermodynamics
Overall Order of a Reaction
9. The accumulation of gases - liquids - or solutes on the surface of a solid or liquid.
Acid
Volitalization
Adsorption
Overall Order of a Reaction
10. Useful when a mixture of chemicals is spilled. K = P/X
11. The ionized - or ionizable - constituents of organic matter
Oxidation State
Ideal System
Electrolytes
Gibbs Free Energy
12. The vapor pressure of an ideal solution is dependent on the vapor pressure of each chemical component and the mole fraction of the component present in the solution.
13. The state of an element in a compound with respect to the number of electrons it has lost or gained - expressed as a positive or negative number indicating the ionic charge of an atom and equal to its valence.
Acid
Oxidation State
Sublimation
Redox Reaction
14. The effective or apparent concentration - or that portion of the true mole- based concentration of a species that participates in a chemical reaction - normalized to the standard state concentration.
Activity
Adsorption
Oxidation
Equilibrium Constant
15. Evaporation; The transformation of a compound from its liquid state to its gaseous state
Redox Reaction
Raoult's Law
Sublimation
Volitalization
16. The mathematical equation k=Ae^-Ea/RT - which expresses the dependence of the rate constant on temperature
Sublimation
Arrhenius Equation
Volitalization
Oxidation State
17. The maximum quantity of a substance that can dissolve in a unit volume of solvent under specified conditions
Raoult's Law
Second Law of Thermodynamics
Gibbs Free Energy
Solubility
18. A process in which one substance permeates another.
Electrolytes
Base
Reduction
Absorption
19. A species that can accept or combine with a proton
Base
Activity
First Law of Thermodynamics
Oxidation State
20. 'K'; the ratio of concentrations when equilibrium is reached in a reversible reaction
Equilibrium Constant
Alkalinity
Absorption
Raoult's Law
21. Oxidation -Reduction Reaction; A kind of reaction in which electrons are transferred - thereby oxidizing some atoms - and reducing others
Gibbs Free Energy
Redox Reaction
Base
Reduction
22. 'I' or 'nu;' Has units of moles/liter and is a measure of the long- range electrostatic interactions in that solution.
pH
Gibbs Free Energy
Ionic Strength
Ideal System
23. A thermodynamic quantity equal to the enthalpy (of a system or process) minus the product of the entropy and the absolute temperature
Gibbs Free Energy
Absorption
Electrolytes
Acid
24. The minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
Activity
Adsorption
Ionic Strength
Activation Energy
25. PH values above 7; Prevalence of OH-
Redox Reaction
Ideal System
Sublimation
Alkalinity
26. A system in which the molar free energy of a solute in water depends on the mole fraction
Ideal System
Activation Energy
Henry's Law
Activity
27. The sum of exponents of concentrations of reactants
Raoult's Law
Solubility
Overall Order of a Reaction
Volitalization
28. K_H; Used to describe a chemical's equilibrium between air and water phases.
29. PH = - log[H+]
Raoult's Law
pH
Oxidation State
Activation Energy