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
1. Which measurement describes the pressure of a gas?
2 / 50
The gas law that explain the effusion of gas is ____________
3 / 50
The mathematical equation for Boyle's law can be written as ___________
4 / 50
Gas molecules confined to a container are in a state of ____________ motion
5 / 50
The rate at which gases diffuse is inversely proportional to the Square root of their ____________
6 / 50
At relatively low pressure, there are no ___________ forces between gas molecules
7 / 50
A gas that obeys all the gas laws is called an ______
8 / 50
The equation of ideal gas can be expressed as ______
9 / 50
An expression for the combined gas law can be expressed as ________
10 / 50
10. Which of the following statements is false?
11 / 50
At constant pressure, properties of gases that undergo changes are _______
12 / 50
At high temperature and low pressure, gases tend to undergo phenomena that is called ___________
13 / 50
13. What is the average speed (actually the root-mean square speed) of a neon atom at 27 C?
14 / 50
14. In fractional distillation, a mixture of liquids is separated based on their _______
15 / 50
The mathematical equation for Charles law can be written as ________
16 / 50
16. The Henry's law constant for helium gas in water at 30 °C is 0.00037 M/atm. When the partial pressure of helium above a sample of water is 0.650 atm, the concentration of helium in the water is __________ M.
17 / 50
17. Which of these alkanes is expected to have the highest viscosity?
18 / 50
International system of unit or system international can be written as an acronym _______________
19 / 50
The Beckman thermometer IS used in the Beckman's apparatus for determining __________ of a substance
20 / 50
20. A mixture of iron filings and copper filings could best be separated by _________
21 / 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.
22 / 50
22. Which one of the following statements most accurately relates the properties of a liquid at room temperature with its intermolecular forces?
23 / 50
For 1 mole of an ideal gas, a plot of PV against T will give a straight line whose slope is equal to __________
24 / 50
Meter, kelvin, second and kilogram are examples of _______
25 / 50
Apparatus that arc basically used for determining the melting points of substances are called ____________
26 / 50
Constituents in a solution can be separated by applying the principle of ___________
27 / 50
27. Which of the followings is not a characteristic of an ideal solution?
28 / 50
In a gas. the molecules on the average are separated by large ______ distances
29 / 50
The volume occupied by 1 mole of oxygen gas at s.t.p. is ________ dm3
30 / 50
The individual pressure of a gas in a mixture of gases is called ______
31 / 50
31. The concentration of KBr in a solution prepared by dissolving 2.21 g of KBr in 897 g of water is __________ molal.
32 / 50
A plot showing the variation of volume with temperature at constant pressure is called __________
33 / 50
Physical Chemistry is concern with two major aspects, namely ability to change and _____
34 / 50
The temperature, above which a substances can exist only in gaseous state is called _________
35 / 50
35. Ethanol dissolved in water would be an example of ___________
36 / 50
36. Distillation can be used to separate ________
37 / 50
________ is an instrument that can be used to measure the strength of an acid or a base
38 / 50
A skillful process of identifying. substituting and using correct apparatus appropriately in the laboratory is called _____
39 / 50
39. An ideal gas differs from a real gas in that the molecules of an ideal gas __________.
40 / 50
40. Which of the following is not a colligative property?
41 / 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 __________
42 / 50
Numerical value of the universal gas constant is ____ J/K/mol
43 / 50
43. According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because _________
44 / 50
44. 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.
45 / 50
45. Which of the followings will not diffract X-rays?
46 / 50
-______is a state of matter that does not have a definite shape nor volume
47 / 50
Temperature, length, time and mass are examples of ________
48 / 50
A homogenous materials that contain only one substance is called a ___________
49 / 50
At constant temperature, the gas law that is most suitable is called _____ law
50 / 50
At low temperature and high pressure, gases tend to __________
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