Question

a system consists of benzene and water. what is the number of phases​

Answer 1

Answer:

A mixture of two immiscible liquids such as water and benzene, will exist in two distinct liquid phases and in addition there will be a vapour phase. Thus there will be three phases each separated from the other by a well-defined bounding surface. A system consisting of more than one phase is said to be heterogeneous

Answer 2

Answer:

For a system contains benzene and water, the number of phases is two.

Explanation:

• A phase may be defined as the physically distinct having all the physical and chemical properties same throughout and mechanically separable from the other parts of the system.
• A homogeneous phase consists only one phase while a heterogeneous phase consists more than one phase.
• A mixture of miscible liquids will have only one phase system. For example, a mixture of ethanol and water constitutes one phase.
• A mixture of two immiscible liquids will exist in two distinct liquid phases. Thus there will be two phases. Each phase is separated from the other by a well-defined bounding surface.
• The benzene and water are immiscible liquids. Therefore, the number of phases is equal to two.

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