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16-08-2020
Chemistry

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.239cal=J joules. How many joules J are in 450cal?

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FaDaReAdEoLa FaDaReAdEoLa

16-08-2020

Answer:

1.89

Explanation:

238cal = J joules

450cal = xJ joules

[tex] \frac{450}{238} = \frac{xj}{j} [/tex]

1.89 = x

450cal = 1.89J joules

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