Сдано 20
при полном сгорании древесного угля
выделилось 340 мдж энергии. какая
масса торфа сгорела?
MSDOS16
2
24.10.2019 19:04
0
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Відповідь:
Пояснення:
Дано
Q = 340 МДж=
=340*10⁶Дж
q = 14*10⁶Дж/кг
m - ?
Q = qm
m=Q/q
m=340*10⁶Дж/14 *10⁶Дж/кг = 24.28 кг