ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM103
1 / 50
The mathematical equation for Boyle's law can be written as ___________
2 / 50
The gas law that explain the effusion of gas is ____________
3 / 50
3. According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because _________
4 / 50
The rate at which gases diffuse is inversely proportional to the Square root of their ____________
5 / 50
5. Which one of the following statements most accurately relates the properties of a liquid at room temperature with its intermolecular forces?
6 / 50
The volume occupied by 1 mole of oxygen gas at s.t.p. is ________ dm3
7 / 50
7. Which of the followings will not diffract X-rays?
8 / 50
A solution is prepared by dissolving calcium chloride in water and diluting to 500.0 mL. If this solution contains 44 ppm chloride ions, the concentration of calcium ions is __________ ppm.
9 / 50
9. Which of the followings is not a characteristic of an ideal solution?
10 / 50
Constituents in a solution can be separated by applying the principle of ___________
11 / 50
A plot showing the variation of volume with temperature at constant pressure is called __________
12 / 50
The equation of ideal gas can be expressed as ______
13 / 50
International system of unit or system international can be written as an acronym _______________
14 / 50
At constant temperature, the gas law that is most suitable is called _____ law
15 / 50
15. Which of these alkanes is expected to have the highest viscosity?
16 / 50
Apparatus that arc basically used for determining the melting points of substances are called ____________
17 / 50
17. What is the average speed (actually the root-mean square speed) of a neon atom at 27 C?
18 / 50
Physical Chemistry is concern with two major aspects, namely ability to change and _____
19 / 50
A homogenous materials that contain only one substance is called a ___________
20 / 50
Modern approach to chemistry deals with equilibrium properties, ability to change and ______
21 / 50
Numerical value of the universal gas constant is ____ J/K/mol
22 / 50
-______is a state of matter that does not have a definite shape nor volume
23 / 50
In a gas. the molecules on the average are separated by large ______ distances
24 / 50
Meter, kelvin, second and kilogram are examples of _______
25 / 50
The individual pressure of a gas in a mixture of gases is called ______
26 / 50
_________ of a gas is proportional to the mean kinetic energy of the molecules in a gas
27 / 50
27. Which measurement describes the pressure of a gas?
28 / 50
At low temperature and high pressure, gases tend to __________
29 / 50
Gas molecules confined to a container are in a state of ____________ motion
30 / 50
30. A liquid will "wet" a surface if: ______
31 / 50
The process of separating a pure substance from a solution is called _______
32 / 50
32. A mixture of iron filings and copper filings could best be separated by _________
33 / 50
33. Ethanol dissolved in water would be an example of ___________
34 / 50
A skillful process of identifying. substituting and using correct apparatus appropriately in the laboratory is called _____
35 / 50
The Beckman thermometer IS used in the Beckman's apparatus for determining __________ of a substance
36 / 50
36. The concentration of KBr in a solution prepared by dissolving 2.21 g of KBr in 897 g of water is __________ molal.
37 / 50
An expression for the combined gas law can be expressed as ________
38 / 50
At high temperature and low pressure, gases tend to undergo phenomena that is called ___________
39 / 50
39. In fractional distillation, a mixture of liquids is separated based on their _______
40 / 50
The mathematical equation for Charles law can be written as ________
41 / 50
Temperature, length, time and mass are examples of ________
42 / 50
42. Which of the following is not a colligative property?
43 / 50
43. The vapor pressure of pure ethanol at 60 °C is 0.459 atm. Raoult's Law predicts that a solution prepared by dissolving 10.0 mmol naphthalene (nonvolatile) in 90.0 mmol ethanol will have a vapour pressure of __________ atm.
44 / 50
________ is an instrument that can be used to measure the strength of an acid or a base
45 / 50
The gas law that consider the total pressure of a gas as a function of the pressures exerted by the individual gases that make up the mixture is __________
46 / 50
At constant pressure, properties of gases that undergo changes are _______
47 / 50
At relatively low pressure, there are no ___________ forces between gas molecules
48 / 50
48. A sample of oxygen occupies 47.2 liters under a pressure of 1240 torr at 25 $^{o}C$. What volume would it occupy at 25$^{o}C$ if the pressure were decreased to 730 torr?
49 / 50
49. An atom on the face-centre of a unit cell is shared by _________ unit cells.
50 / 50
A gas that obeys all the gas laws is called an ______
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