Question

(5) Quantas calorias correspondem 300kj?

Answer 1

Resposta:

1 cal --- 4,18

X cal --- 300J

4,18 x = 300 • 1

4,18 x = 300

X= 300/4,18

X= 71,7 cal

Lembrando: 1 caloria equivale a 4,18J