Levels Tought:
Elementary,Middle School,High School,College,University,PHD
Teaching Since: | Apr 2017 |
Last Sign in: | 5 Weeks Ago, 1 Day Ago |
Questions Answered: | 7559 |
Tutorials Posted: | 7341 |
BS,MBA, PHD
Adelphi University/Devry
Apr-2000 - Mar-2005
HOD ,Professor
Adelphi University
Sep-2007 - Apr-2017
Question 1
1 / 1 pts
The __________ number of an atom is described as its charge if all polar covalent and ionic bonds caused a complete eletro transfer to the atom with the higher electronegativity from the atom with the lower electronegativity.
Â
 oxidationÂ
 reductionÂ
 massÂ
 elementÂ
Â
IncorrectQuestion 2
0 / 1 pts
Which of these is classified as an reduction process?
Â
 loss of electronsÂ
 loss of hydrogenÂ
 gain of oxygenÂ
 loss of oxygenÂ
Â
Question 3
1 / 1 pts
If the conditions are in favor of product formation, the reaction is termed __________.
Â
 kineticÂ
 thermodynamicÂ
 inertÂ
 spontaneousÂ
Â
Question 4
1 / 1 pts
Which of the following accurately defines pH?
Â
 -log[H+]
 -log[HCl]Â
 -log[H2O]
 -log[OH+]
Â
Question 5
1 / 1 pts
An acid would turn blue litmus paper __________.
Â
 yellowÂ
 whiteÂ
 redÂ
 blueÂ
Â
Question 6
1 / 1 pts
The reaction quotient is represented by which of the following?
Â
 SÂ
 KÂ
 QÂ
 TÂ
Â
Question 7
1 / 1 pts
An Arrhenius base is one that produces _________ when dissolved in water.
Â
 nitric acidÂ
 hydrogen ionsÂ
 hydrochloric acidÂ
 hydroxide ionsÂ
Â
Question 8
1 / 1 pts
A Brønsted-Lowry _____ is able to accept protons.Â
Â
 baseÂ
 isotopeÂ
 acidÂ
 gasÂ
Â
Question 9
1 / 1 pts
Entropy measured at 1 atm of pressure and 25°C is termed __________ entropy.
Â
 kineticÂ
 absoluteÂ
 potentialÂ
 standardÂ
Â
Question 10
1 / 1 pts
An acid would __________.
Â
 react with bases to create a neutral solutionÂ
 turn red litmus paper blueÂ
 react with other acids to produce a neutral solutionÂ
 have a slippery feelingÂ
Â
Question 11
1 / 1 pts
__________ is a measure of probability.
Â
 EntropyÂ
 EnthalpyÂ
 Kinetic energyÂ
 Partial pressureÂ
Â
Question 12
1 / 1 pts
__________ is a laboratory technique used to measure the concentration of an acid or base in a solution.
Â
 TitrationÂ
 SublimationÂ
 DistillationÂ
 CrystallizationÂ
Â
Question 13
1 / 1 pts
A ΔG° value of ____kJ/mol will favor product formation over reactant formation.
Â
 0Â
 25Â
 100Â
 -12.7Â
Â
Question 14
1 / 1 pts
If the reaction quotient (Q) is __________ than the equilibrium constant( Keq) then the reverse reaction is favored.
Â
 greaterÂ
 lessÂ
 lowerÂ
 equal toÂ
Â
Question 15
1 / 1 pts
Which of these is classified as an oxidation process?
Â
 gain of electronsÂ
 loss of oxygenÂ
 gain of oxygenÂ
 gain of hydrogenÂ
Â
Question 16
1 / 1 pts
If the reaction quotient (Q) is __________ than the equilibrium constant (Keq) then the reaction is at equilibrium.
Â
 equal toÂ
 greaterÂ
 moreÂ
 lessÂ
Â
Question 17
1 / 1 pts
An acid and a base reaction is also referred to as a __________ reaction.
Â
 neutralizationÂ
 vaporizationÂ
 inertÂ
 pressureÂ
Â
Question 18
1 / 1 pts
Which of these is classified as an reduction process?
Â
 addition of hydrogenÂ
 gain of oxygenÂ
 loss of electronsÂ
 loss of hydrogenÂ
Â
Question 19
1 / 1 pts
A base would  __________.
Â
 turn red litmus paper blueÂ
 react with certain metals to produce hydrogen gasÂ
 react with other bases to create a neutral solutionÂ
 turn blue litmus paper redÂ
Â
Question 20
1 / 1 pts
A pH of __________ would be considered basic.
Â
 3Â
 1Â
 7Â
 11Â
Â
Question 21
1 / 1 pts
In an aqueous solution, if [H3O+]>[OH-] then the solution is called __________.
Â
 radioactiveÂ
 acidicÂ
 basicÂ
 neutralÂ
Â
Question 22
1 / 1 pts
The deprotonated form of an acid is commonly called its __________ base.
Â
 ionicÂ
 conjugateÂ
 polarÂ
 dipoleÂ
Â
Question 23
1 / 1 pts
In an aqueous solution, if [H3O+]-] then the solution is called __________.
Â
 neutralÂ
 acidicÂ
 radioactiveÂ
 basicÂ
Â
Question 24
1 / 1 pts
__________ free energy is a concept that combines enthalpy and entropy into one value.
Â
 CharlesÂ
 WilliamsÂ
 PotentialÂ
 GibbsÂ
Â
Question 25
1 / 1 pts
A ΔG° value of ____kJ/mol will favor equilibrium.
Â
 -37.2Â
 100Â
 0Â
 25Â
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