Answer: 13.86 cal
Explanation:
To convert Joules to calories, the conversion is 1 cal= 4.184 J. Since we are converting 58 J to cal, we can use the conversion from above.
[tex]58 J*\frac{1cal}{4.184J} =13.86 cal[/tex]
From the equation above, the Joules cancel out, so we are left with calories.