Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

Ammonia vapour is driven out of solution
Weak solution mixes with strong solution
Ammonia vapour goes into solution
Lithium bromide mixes with ammonia

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Refrigeration and Air Conditioning
One ton of the refrigeration is

The standard unit used in refrigeration problems
The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours
The cooling effect produced by melting 1 ton of ice
The refrigeration effect to produce 1 ton of ice at NTP conditions

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