CHM103

_________ of a gas is proportional to the mean kinetic energy of the molecules in a gas

B. An ideal gas differs from a real gas in that the molecules of an ideal gas __________.

The mathematical equation for Charles law can be written as ________

Modern approach to chemistry deals with equilibrium properties, ability to change and ______

-______is a state of matter that does not have a definite shape nor volume

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.

G. A mixture of iron filings and copper filings could best be separated by _________

The rate at which gases diffuse is inversely proportional to the Square root of their ____________

I. The concentration of KBr in a solution prepared by dissolving 2.21 g of KBr in 897 g of water is __________ molal.

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 __________

K. Which of these alkanes is expected to have the highest viscosity?

________ is an instrument that can be used to measure the strength of an acid or a base

Constituents in a solution can be separated by applying the principle of ___________

N. Which one of the following statements most accurately relates the properties of a liquid at room temperature with its intermolecular forces?

O. Which measurement describes the pressure of a gas?

 At constant temperature, the gas law that is most suitable is called _____ law

Q. Which of the following statements is false?

Apparatus that arc basically used for determining the melting points of substances are called ____________

At low temperature and high pressure, gases  tend to __________

International system of unit or system international can be written as an acronym _______________

 A homogenous materials that contain only one substance is called a ___________

V. A liquid will "wet" a surface if: ______

Numerical value of the universal gas constant is ____ J/K/mol

X. What is the average speed (actually the root-mean square speed) of a neon atom at 27 C?

At relatively low pressure, there are no ___________ forces between gas molecules

The individual pressure of a gas in a mixture of gases is called ______

The Beckman thermometer IS used in the Beckman's apparatus for determining __________ of a substance

The process of separating a pure substance from a solution is called _______

 The gas law that explain the effusion of gas is ____________

 A plot showing the variation of volume with temperature at constant pressure is called __________

At high temperature and low pressure, gases tend to undergo phenomena that is called  ___________

The equation of ideal gas can be expressed as ______

The mathematical equation for Boyle's law can be written as ___________

The temperature, above which a substances can exist only in gaseous state is called _________

A skillful process of identifying. substituting and using correct apparatus appropriately in the laboratory is called _____

AJ. In fractional distillation, a mixture of liquids is separated based on their _______

AK. 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?

AL. Which of the followings will not diffract X-rays?

An expression for the combined gas law can be expressed as ________

AN. Ethanol dissolved in water would be an example of ___________

Temperature, length, time and mass are examples of ________

AP. 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.

AQ. Which of the followings is not a characteristic of an ideal solution?

AR. Which of the following is not a colligative property?

Meter, kelvin, second and kilogram are  examples of _______

AT. Distillation can be used to separate ________

AU. According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because _________

For 1 mole of an ideal gas, a plot of PV against T will give a straight line whose slope is equal to __________

At constant pressure, properties of gases that undergo changes are _______

In a gas. the molecules on the average are separated by large ______ distances

A gas that obeys all the gas laws is called an ______

Gas molecules confined to a container are in a state of ____________ motion

The volume occupied by 1 mole of oxygen gas at s.t.p. is ________ dm3

Physical Chemistry is concern with two major aspects, namely ability to change and ­_____

BC. An atom on the face-centre of a unit cell is shared by _________ unit cells.

BD. 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.