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

a) 1.07
b) 9.43
c) 12.6
d) 21.9
* I NEED EXPLANATION!!! *

User Thorsten
by
4.3k points

1 Answer

2 votes

Answer:

D) 21.9

Step-by-step explanation:

1 kilocalorie is equal to 4184 joules

0.001 kilocalorie is equal to 1 calorie

so 5.25 calorie=21.966 joules

User Mjordan
by
4.2k points