Figure shows the variation in temperature (ΔT) with the amount of heat supplied (Q) in an isobaric process corresponding to a monoatomic (M), diatomic (D) and a polyatomic (P) gas. The initial state of all the gases are the same and the scales for the two axes coincide. Ignoring vibrational degrees of freedom, the lines a, b and c respectively correspond to :

Question

Figure shows the variation in temperature (ΔT) with the amount of heat supplied (Q) in an isobaric process corresponding to a monoatomic (M), diatomic (D) and a polyatomic (P) gas. The initial state of all the gases are the same and the scales for the two axes coincide. Ignoring vibrational degrees of freedom, the lines a, b and c respectively correspond to : (A) P, M and D (B) M, D and P (C) P, D and M (D) D, M and P

Tardigrade Admin · Accepted Answer

On giving same amount of heat at constant pressure, there is no change in temperature for mono, dia and polyatomic.

< b r / > (Δ Q)_{P} = μ C_{p} Δ T (μ = \frac{No. of molecules}{Avogedro’s no.}) < b r / >

< b r / > or Δ T \propto \frac{1}{no. of molecules} < b r / >

P, M and D

M, D and P

P, D and M

D, M and P

On giving same amount of heat at constant pressure, there is no change in temperature for mono, dia and polyatomic. <br/>(ΔQ)P​=μCp​ΔT(μ= Avogedro’s no. No. of molecules ​)<br/> <br/> or ΔT∝ no. of molecules 1​<br/>

On giving same amount of heat at constant pressure, there is no change in temperature for mono, dia and polyatomic.
$< b r / > (Δ Q)_{P} = μ C_{p} Δ T (μ = \frac{No. of molecules}{Avogedro’s no.}) < b r / >$
$< b r / > or Δ T \propto \frac{1}{no. of molecules} < b r / >$