Initially, the root-mean-square (RMS) velocity of N 2 molecules at certain temperature is u . If this temperature is doubled and all the nitrogen molecules dissociate into nitrogen atoms, then the new RMS velocity will be:

Question

Initially, the root-mean-square (RMS) velocity of N 2 molecules at certain temperature is u . If this temperature is doubled and all the nitrogen molecules dissociate into nitrogen atoms, then the new RMS velocity will be:, 2 u, 14 u, 4 u, u / 2

MARKS App · Accepted Answer

u = 3 RT 28 u ′ = 3 R × 2 T 14 u u ′ = 1 4 u u ′ = 1 2 u ′ = 2 u

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