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Korvikt [17]
3 years ago
11

5.25 calories are absorbed by an iron nail. How many joules is this?

Biology
2 answers:
Snowcat [4.5K]3 years ago
8 0
5.25= 21.966 that's the correct answer
777dan777 [17]3 years ago
6 0

Answer: 21.9 joules

Explanation:

Given: The amount of calories absorbed by an iron nail = 5.25

We know that 1 kilocalories =4184 joules

Using unitary method,

\text{1 calorie}=\dfrac{4184}{1000}\text{ joules}\\\\\Rightarrow\ \text{1 calorie}= 4.184\approx4.18\text{ joules}

Now, to convert 5.25 calories into joules , multiply 5.25 by 4.18, we get

\text{5.25 calories}= 4.18\times5.25=21.945\approx21.9\text{ joules}

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