please answere All the answer s of 6
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a) Water is use as cooling agent becausewater is cheap and widely available and if there’s a spill, water is non-toxic and easily cleaned up. As mentioned, water has a high specific heat capacity. A contributing factor to this high heat capacity is that, due to the angle between the two hydrogen atoms and the oxygen atom, water can form an electrical bond with another water molecule and that bond takes a lot of energy to break.
b) Water pipes because the water inside them expands is it gets close to freezing, and this causes an increase in pressure inside the pipe. When the pressure gets too high for the pipe to contain, it ruptures.
c)
b) Water pipes because the water inside them expands is it gets close to freezing, and this causes an increase in pressure inside the pipe. When the pressure gets too high for the pipe to contain, it ruptures.
c)
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