TLS Online TPP Program
More Questions
TLS Online TPP Program
#Question id: 21728
#Section 5: Bioprocess Engineering and Process Biotechnology
In the reaction A → products, we find that when [A] has fallen to half of its initial value, the reaction proceeds at the same rate as its initial rate. Is the reaction zero order, first order, or second order?
TLS Online TPP Program
#Question id: 21729
#Section 5: Bioprocess Engineering and Process Biotechnology
In the reaction, A → products, with the initial concentration [A]0 = 1.512 M, [A] is found to be 1.496 M at t = 30 s. With the initial concentration [A]0 = 2.584 M, [A] is found to be 2.552 M at t = 1 min. What is the order of this reaction?
TLS Online TPP Program
#Question id: 21730
#Section 5: Bioprocess Engineering and Process Biotechnology
In the first-order decomposition of dinitrogen pentoxide at 335 K,
N2O5(g) → 2 NO2(g) + ½ O2(g)
if we start with a 2.50-g sample of N2O5 at 335 K and have 1.50 g remaining after 109 s,
(a) What is the value of the rate constant k?
(b) What is the half-life of the reaction?
TLS Online TPP Program
#Question id: 21731
#Section 5: Bioprocess Engineering and Process Biotechnology
The smog constituent peroxyacetyl nitrate (PAN) dissociates into peroxyacetyl radicals and NO2(g) in a first order reaction with a half-life of 32 min.
If the initial concentration of PAN in an air sample is 2.7×1015 molecules/L, what will be the concentration 2.24 h later?
TLS Online TPP Program
#Question id: 21732
#Section 5: Bioprocess Engineering and Process Biotechnology
Rate constants for the first-order decomposition of acetonedicarboxylic acid
CO(CH2COOH)2(aq) → CO(CH3)2(aq) + 2 CO2(g)
are k = 4.75 ×10–4 s–1 at 293 K and k = 1.63 ×10–3 at 303 K. What is the activation energy, Ea, for this reaction?
TLS Online TPP Program
#Question id: 21733
#Section 5: Bioprocess Engineering and Process Biotechnology
A rate law __________.