Levels Tought:
Elementary,Middle School,High School,College,University,PHD
Teaching Since: | Apr 2017 |
Last Sign in: | 4 Weeks Ago, 4 Days Ago |
Questions Answered: | 7569 |
Tutorials Posted: | 7351 |
BS,MBA, PHD
Adelphi University/Devry
Apr-2000 - Mar-2005
HOD ,Professor
Adelphi University
Sep-2007 - Apr-2017
Question 1
1 / 1 pts
According to Lord Kelvin, which temperature is the lowest possible?
Â
 -150°CÂ
 0°CÂ
 100°CÂ
 -273°CÂ
Â
Question 2
1 / 1 pts
A homogenous mixture that is mainly composed of water is referred to as a(n) __________ solution.
Â
 partialÂ
 aqueousÂ
 soluteÂ
 crystallineÂ
Â
Question 3
1 / 1 pts
Which of the following is NOT a characteristic of gases?
Â
 When gases are confined to one container, they mix homogeneously.Â
 Gases adopt their container’s shape.Â
 Gases cannot be compressed.Â
 Gases adopt their container’s volume.Â
Â
Question 4
1 / 1 pts
If a solution is not able to hold more of a solute, it is said to be __________.
Â
 unsaturatedÂ
 saturatedÂ
 solubleÂ
 colloidalÂ
Â
Question 5
1 / 1 pts
__________ is a degree of the quantity of force divided by the surface area.
Â
 AltitudeÂ
 TemperatureÂ
 DensityÂ
 PressureÂ
Â
Question 6
1 / 1 pts
The substance that makes up the largest portion of a solution is called the __________.
Â
 latticeÂ
 soluteÂ
 solventÂ
 conductorÂ
Â
Question 7
1 / 1 pts
A(n)Â __________ property is based only on the concentration of the dissolved particle rather than the identity of the particle.
Â
 interfaceÂ
 colligativeÂ
 pointÂ
 moleÂ
Â
Question 8
1 / 1 pts
Which of the following equations expresses Gay-Lussac's Law?
Â
 P/T = kÂ
 P - T = kÂ
 P + T = kÂ
 P x T = kÂ
Â
Question 9
1 / 1 pts
Moving gas particles to a larger vessel will eventually cause the particles to distribute evenly over the space available, this process is known as __________.
Â
 effusionÂ
 mole fractionÂ
 absolute zeroÂ
 diffusionÂ
Â
Question 10
1 / 1 pts
__________ of partial pressures states that if you combine at least two gases in a container, the amount of pressure that each gas would exert would be the same, as it would if it was the only gas in the same size of container.
Â
 Boyle's LawÂ
 Charles's LawÂ
 Dalton's LawÂ
 Gay-Lussac's LawÂ
Â
Question 11
1 / 1 pts
The amount of heat a substance needs to absorb in order to raise temperature levels is called it's heat __________.
Â
 densityÂ
 tensionÂ
 degradationÂ
 capacityÂ
Â
Question 12
1 / 1 pts
Which of the following is insoluble in water?
Â
 None of these.Â
 saltÂ
 sandÂ
 sugarÂ
Â
Question 13
1 / 1 pts
Which of these is an amorphous solid?
Â
 frostÂ
 liquid waterÂ
 steamÂ
 heliumÂ
Â
Question 14
1 / 1 pts
At a constant pressure, volume is __________ proportional to temperature.Â
Â
 indirectlyÂ
 obliquelyÂ
 directlyÂ
 inverselyÂ
Â
Question 15
1 / 1 pts
A __________ is used to measure pressure.
Â
 barometerÂ
 accelerometerÂ
 thermometerÂ
 graduated cylinderÂ
Â
Question 16
1 / 1 pts
__________ solids are solids whose molecules and atoms are systematically packed
Â
 Both amorphous and non-crystalline are correct.Â
 Non-crystallineÂ
 CrystallineÂ
 AmorphousÂ
Â
IncorrectQuestion 17
0 / 1 pts
__________ solids have an urorganized structure.
Â
 Both amorphous and non-crystalline are correct.Â
 Non-crystallineÂ
 AmorphousÂ
 CrystallineÂ
Â
Question 18
1 / 1 pts
Which of the following types of interactions would be considered immiscible?
Â
 polar-polarÂ
 nonpolar-polarÂ
 Both polar-polar and nonpolar-nonpolarÂ
 nonpolar-nonpolarÂ
Â
Question 19
1 / 1 pts
Salt is said to be __________in water because it can dissolve completely.
Â
 insolubleÂ
 visibleÂ
 nonhomogenousÂ
 solubleÂ
Â
Question 20
1 / 1 pts
P×V=k is the formula for which of the following?
Â
 Absolute zeroÂ
 Boyle's LawÂ
 Gay-Lussac's LawÂ
 Charles's LawÂ
Â
Question 21
1 / 1 pts
Two substances whose interactions result in the creation of a homogenous mixture are said to be __________.
Â
 polarÂ
 immiscibleÂ
 nonpolarÂ
 miscibleÂ
Â
Question 22
1 / 1 pts
__________ Law states that when temperature is constant, the amount of a specific gas that dissolves in a certain liquid volume is directly proportional to the fractional gas pressure in the immediate vicinity of the solution.
Â
 Charles'sÂ
 van't Hoff'sÂ
 Henry'sÂ
 Gay Lussac'sÂ
Â
Question 23
1 / 1 pts
The combined gas law associates pressure, volume, and __________.
Â
 weightÂ
 temperatureÂ
 densityÂ
 massÂ
Â
Question 24
1 / 1 pts
Which of the following Greek terms means pressure?
Â
 telo-Â
 baro-Â
 thermo-Â
 atmo-Â
Â
Question 25
1 / 1 pts
The scattering of light caused by tiny particles in its way is called the __________ effect.
Â
 ColloidÂ
 DissolutionÂ
 FrostÂ
 TyndallÂ
Â
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