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vesna_86 [32]
3 years ago
11

Jayla and her grandma are designing a lunchbox. The lunchbox will be made out

Biology
1 answer:
sasho [114]3 years ago
8 0

The best material to use is foam, since it is the best insulator. An insulator will help slow the transfer of heat from outside of the lunchbox to inside of the lunchbox. The extra layer will be of foam.

Explanation:

If we compare the specific heat capacity of rubber and foam it can be found that foam has high specific heat capacity, which indicates that it is the good insulator.

An insulator is a substance in which heat exchange between medium and surrounding is very low.

Jayla and her grandma wanted their food to be cold all morning so foam as an insulator is the best choice.

Thus, high specific heat energy means large amount of energy required to raise the temperature by 1 degree in response to the mass of the substance as per unit mass.

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