Question

11. In the cool compartment of a fridge there are pipes carrying liquidfrom a compressor.
The pressure in the pipes is much lower than in the compressor. [1+1+1]
(a) How does the fall in pressure affect the liquid?
(b) What happens to the number of particles in the liquid?
The change in the liquid makes the pipes cooler than the air in the compartment.
Heat is drawn from the air through the wall of the pipe,
(c) What form of thermal energy transfer takes place?

Answer 1

Answer:

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