The formula for lithium nitrate is LiNO3 , which contains five atoms.
Answer:
The rate of increase of the energy content of the room when all the eletrical devices are on is 1650 W.
Explanation:
From conservation of energy,
Rate of energy transfer (
) = Rate of change of energy within the room (
).
As according to the problem no heat transfer occurs through the walls of the room we can assume that there is no energy transferred to the outside of the room, i.e.,
.
If all the electric devices are on inside the room, then the rate of increase of energy is equal to the power (
) consumed bt the electrical devices inside the room. Therefore we can write,

Inertia and force
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