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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Apr 2017 |
| Last Sign in: | 89 Weeks Ago, 6 Days Ago |
| Questions Answered: | 7570 |
| Tutorials Posted: | 7352 |
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?
-150°C
0°C
100°C
-273°C
Question 2
1 / 1 pts
A homogenous mixture that is mainly composed of water is referred to as a(n) __________ solution.
partial
aqueous
solute
crystalline
Question 3
1 / 1 pts
Which of the following is NOT a characteristic of gases?
When gases are confined to one container, they mix homogeneously.
Gases adopt their container’s shape.
Gases cannot be compressed.
Gases adopt their container’s volume.
Question 4
1 / 1 pts
If a solution is not able to hold more of a solute, it is said to be __________.
unsaturated
saturated
soluble
colloidal
Question 5
1 / 1 pts
__________ is a degree of the quantity of force divided by the surface area.
Altitude
Temperature
Density
Pressure
Question 6
1 / 1 pts
The substance that makes up the largest portion of a solution is called the __________.
lattice
solute
solvent
conductor
Question 7
1 / 1 pts
A(n) __________ property is based only on the concentration of the dissolved particle rather than the identity of the particle.
interface
colligative
point
mole
Question 8
1 / 1 pts
Which of the following equations expresses Gay-Lussac's Law?
P/T = k
P - T = k
P + T = k
P x T = k
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 __________.
effusion
mole fraction
absolute zero
diffusion
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.
Boyle's Law
Charles's Law
Dalton's Law
Gay-Lussac's Law
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 __________.
density
tension
degradation
capacity
Question 12
1 / 1 pts
Which of the following is insoluble in water?
None of these.
salt
sand
sugar
Question 13
1 / 1 pts
Which of these is an amorphous solid?
frost
liquid water
steam
helium
Question 14
1 / 1 pts
At a constant pressure, volume is __________ proportional to temperature.
indirectly
obliquely
directly
inversely
Question 15
1 / 1 pts
A __________ is used to measure pressure.
barometer
accelerometer
thermometer
graduated cylinder
Question 16
1 / 1 pts
__________ solids are solids whose molecules and atoms are systematically packed
Both amorphous and non-crystalline are correct.
Non-crystalline
Crystalline
Amorphous
IncorrectQuestion 17
0 / 1 pts
__________ solids have an urorganized structure.
Both amorphous and non-crystalline are correct.
Non-crystalline
Amorphous
Crystalline
Question 18
1 / 1 pts
Which of the following types of interactions would be considered immiscible?
polar-polar
nonpolar-polar
Both polar-polar and nonpolar-nonpolar
nonpolar-nonpolar
Question 19
1 / 1 pts
Salt is said to be __________in water because it can dissolve completely.
insoluble
visible
nonhomogenous
soluble
Question 20
1 / 1 pts
P×V=k is the formula for which of the following?
Absolute zero
Boyle's Law
Gay-Lussac's Law
Charles's Law
Question 21
1 / 1 pts
Two substances whose interactions result in the creation of a homogenous mixture are said to be __________.
polar
immiscible
nonpolar
miscible
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.
Charles's
van't Hoff's
Henry's
Gay Lussac's
Question 23
1 / 1 pts
The combined gas law associates pressure, volume, and __________.
weight
temperature
density
mass
Question 24
1 / 1 pts
Which of the following Greek terms means pressure?
telo-
baro-
thermo-
atmo-
Question 25
1 / 1 pts
The scattering of light caused by tiny particles in its way is called the __________ effect.
Colloid
Dissolution
Frost
Tyndall
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