Set B Madafaker

Question 1

41-42. A substance that has a fixed chemical composition throughout such as water, air, and nitrogen.

Answer 1

Homogeneous Substance

Question 2

43-44. The molecules are far apart from each other, and a molecular order does not exist.

Answer 2

Gas Phase

Question 3

45-46 . The molecules cannot move relative to each other; however, they continually oscillate about their equilibrium position.

Answer 3

Liquid Phase

Question 4

47-48. The molecules are no longer at fixed positions relative to each other.

Answer 4

Solid Phase

Question 5

49-50. At a given temperature, the pressure at which a pure substance starts boiling.

Answer 5

Vapor Pressure

Question 6

51-52. At a given pressure, the temperature at which a pure substance starts boiling.

Answer 6

Boiling Point

Question 7

53-54. It is separates the solid and the vapor.

Answer 7

Sublimation

Question 8

55-56. It is separates the liquid and vapor regions.

Answer 8

Dew Point

Question 9

57-58. It is separates the solid and liquid.

Answer 9

Melting Point

Question 10

59-60. The ratio of the mass of vapor to the mass of the total mixture.

Answer 10

Vapor Mass Fraction

Question 11

61-62. If the temperature of a given quantity of gas is held constant, the volume of the gas varies inversely with the absolute pressure during a change of state.

Answer 11

Boyle’s Law

Question 12

63-64. If the pressure on a particular quantity of gas is held constant, then, with any change of state, the volume will vary directly as the absolute temperature.

Answer 12

Charle’s Law

Question 13

65-66. It is the quantity of heat required to change the temperature of unit mass through one degree.

Answer 13

Specific Heat Capacity

Question 14

67-68. Any process that can be made to go in reverse direction by an infinitesimal change in the conditions.

Answer 14

Reversible Process

Question 15

69-70. It is ideal only in the sense that it conforms to the simple perfect gas laws.

Answer 15

Ideal Gas

Question 16

71-72. It is an internally reversible process of a substance during which the pressure remains constant.

Answer 16

Isobaric Process

Question 17

73-74. It is a reversible constant volume process.

Answer 17

Isochoric Process

Question 18

75-76. It is an internally reversible constant temperature process of a pure substance.

Answer 18

Isothermal Process

Question 19

77-78. It is a reversible adiabatic process.

Answer 19

Adiabatic Process

Question 20

79-80. It is an intemally reversible process of a substance during which mathfrak oV = C where n is any constant

Answer 20

Polytropic Process