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Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
Dehydration of ammonium carbamate produces
Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction.
Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
With increases in pressure, the conversion of ammonium carbamate into urea
During conversion of ammonium carbamate into urea, presence of large excess of water
Identify the correct statements from the following:
P. 0.2% yield strength of a material implies 0.2% of the yield strength.
Q. Von-Misses yield criterion implies that yielding occurs when the distortion energy reaches a critical value.
R. Radius of the cylinderical Von-Misses yield surface increases as the grain, size of a single phase material decreases.
S. Tresca's yield criterion gives a circular cylinderical surface in the space of the three principal stresses.
N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (molecular weight of urea = 60)
For the reaction, A = X + Y, the respective concentrations are CA, CX and CY. The forward reaction rate constant is kf and the backward reaction rate constant is kb. Choose the correct statement from the following:
P. At equilibrium, kf CA > kB CxCy
Q. If the reaction is irreversible than, kb CXCY = 0
R. The backward reaction rate will essentially be first order, if the forward reaction rate is first order.
S. Activation energy for the first order forward reaction will be independent of temperature.
Ammonium carbamate decomposition results in which of the mentioned?