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Gen. Chemistry 2 (3rd Quarter) Unit Test

Total questions: 60

Worksheet time: 23mins

Name
Class
Date
1.

Identify this type of intermolecular forces.

(a)  

2.

It is a special type of dipole-dipole that contain a hydrogen atom bonded to a small highly electronegative atom.

(a)  

3.

It refers to the forces within a molecule or ionic compound

(a)  

4.

Type of intermolecular forces that exist between all atom and molecules

(a)  

5.

sulfur dioxide is an example of what kind of forces?

(a)  

6.

These are intermolecular forces of attraction between neutral molecules.

(a)  

7.

These are forces of attraction that occur between polar molecules.

(a)  

8.

A type of attraction between an ion and the partial charge on the end of a polar molecule.

(a)  

9.

Which of the following shows London dispersion forces?

a)

Nitrogen gas

b)

Carbon dioxide

c)

Water

d)

Sodium Chloride

10.

It is the resistance of a liquid to flow.

(a)  

11.

A close arrangement of particles that making a mass/volume ratio higher.

a)
b)
c)
d)
12.

Which of the following is not a characteristics of solid?

a)

Definite shape and volume

b)

Definite melting point

c)

Fast Diffusuion

d)

Incompressible

13.

This is an example of what kind of solid?

(a)  

14.

Rubber, glass, plastics and synthetic fibers are example of what kind of solids?

(a)  

15.

It is the property of liquid to resist an external force and thus assume a lesser surface area.

(a)  

16.

Gas to liquid shows what kind of phase change?

(a)  

17.

It is the temperature at which its vapor pressure is equal to the external or atmospheric pressure.

(a)  

18.

It is a dynamic condition in which two opposing changes occur at equal rates in a closed system. 

(a)  

19.

The conversion of a liquid to a vapor, within the liquid as well as its surface when the equilibrium vapor pressure of the liquid is equal to the atmospheric pressure.

(a)  

20.

The amount of heat energy required to vaporize one mole of liquid at its boiling point.

(a)  

21.

A kind of mixtures of two or more substance evenly distributed thtoughout a single phase.

(a)  

22.

It is a substance dissolved in a solution and usually present in smaller amount.

(a)  

23.

The dissolving medium in a solution.

(a)  

24.

A type of solution that contains less solute than the solvent's capacity to dissolve.

(a)  

25.

A type of solution that contains the maximum amount of solute that the solvent can dissolve at a certain temperature.

(a)  

26.

A type od solution that contains more dissolved solute than is present in saturated solution.

(a)  

27.

It is the measure of the amount of solute in a given amount of solvent or solution.

(a)  

28.

The amount of solute that dissolves in a certain amount of a solvent at a given temperature and pressure to produce a saturated solution

(a)  

29.

When a liquids are not soluble in each other it is called?

(a)  

30.

Particles that ionize in a solution

(a)  

31.

If 28.5g of calcium hydroxide is dissolved in enough water to make 185g of solutions what is the percent by mass of calcium hydroxide in the solution?

(a)  

32.

Calculate the percent by mass of the solution containing 8.60g of salt in 95g of solution.

(a)  

33.

What is the percent by mass of 5.0g of NaCl mixed with 80g of water?

(a)  

34.

What is the percent by mass of 25 grams of sodium acetate mixed with 40g of water?

(a)  

35.

Calculate the mass of sodium hydroxide that is found in 40g of a 10% by mass solution.

(a)  

36.

A solution is made by adding 30 mL of ethanol to 50 mL of formaldehyde. Calculate the percent by volume of ethanol.

(a)  

37.

Calculate the percent by volume of a solution formed by added 13 Liters of acetone to 28 L of water.

(a)  

38.

What is the percent by volume of a solution formed by mixing 30 mL of butanol with 45 mL of water

(a)  

39.

What volume of isopropanol should be added to 200 mL of water to make 80% of solution?

(a)  

40.

A solution is made by dissolving 125g of sodium chloride in 1.5 kg of water. calculate the percent by mass.

(a)  

41.

Determine the mass of solute is needed to prepare 1.00 L of 0.125 M of Potassium Sulfate. (Write your answer in 3 significant figures)

(a)  

42.

What mass of solute is needed to prepare 375 mL of 0.015 M of NaF (write your answer in 2 significant figures only)

(a)  

43.

Calculate the mass of solute that is needed to prepare 500 mL of 0.350 M of glucose.

(a)  

44.

Determine the molarity of a solution that is needed to prepare with 12.4 grams KCl dissolved in 289.2 mL of a solution. (Write your answer in 3 sig. figures)

(a)  

45.

Determine the molarity of a solution that is needed to prepare with 16.4 grams CaCl2 dissolved in 0.614 L of solution. (Write your answer in 3 sig. figures)

(a)  

46.

Calculate the molarity of a solution that is needed to prepare with 48.0 mL of 6.0 M of Sulfuric Acid diluted to 0.250 L (Write your answer in 3 sig. figures)

(a)  

47.

Calculate the molality of a solution needed to prepare with 2.89 g of NaCl dissolved in 0.159 L of water (write your answer in 3 sig. fig.)

(a)  

48.

Determine the molality of a solution with 1.80 mol KCl in 16.0 mol of H2O (write your answer in 3 sig. fig)

(a)  

49.

What is the molality of a solution that is needed to prepare in 13.0 g benzene, C6H6 in 17.0 g CCl4 (Write your answer in 3 sig. fig.)

(a)  

50.

What is the percentage by mass (% by mass) of a solution made by dissolving 0.49 g of potassium sulfate in 12.70 g of water?

(a)  

51.

Magnesium oxide

a)

Ionic bond

b)

Non polar covalent bond

c)

Polar covalent bond

d)

Metalic bond

52.

Sulfur Dioxide

a)

Metalic bond

b)

Non polar covalent bond

c)

Polar covalent bond

d)

Ionic bond

53.

oxygen gas is an example of____?

a)

Metalic bond

b)

Non polar covalent bond

c)

Polar covalent bond

d)

Metalic bond

54.

Ethanol and ammonia is an example of________

a)

Dative bond

b)

Non polar covalent bond

c)

Ionic bond

d)

Polar covalent bond

55.

Benzene is an example of ________

a)

Polar covalent bond

b)

Ionic bond

c)

Non polar covalent bond

d)

Metallic bond

56.

What is the percentage composition of Na in NaF? (write your answer in 2 sig. fig only)

(a)  

57.

Determine the percentage composition of Cl in calcium chloride. (2 sig. fig. only)

(a)  

58.

The mass of solution when you calculate percent by mass is always express in?

(a)  

59.

in molarity the your solution is always express in (a)  

60.

In molality the solvent is always expressed in (a)   ?