Предмет: Физика, автор: gptaddadad

СРОЧНО 25 БАЛІВ!!! При згорянні 7 кг якогось виду палива виділилося 294 МДж енергії. Розрахуйте питому теплоту згорання палива. З’ясуйте за таблицею, яке паливо згоріло?




a.
42МДжкг
дизельне паливо


b.
44МДжкг
нафта


c.
42МДжкг
гас


d.
46МДжкг
бензин

Приложения:

Ответы

Автор ответа: 1Manka1
2

Объяснение:

Дано:

m=7кг

Q=294МДж

==========

L-?

Q=Lm=>

L=Q/m=294/7=42МДж/кг

Диз паливо

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