TLS Online TPP Program

#Question id: 546


Enzymes are potent catalysts because they:

#Section 2: General Biology
  1. are consumed in the reactions they catalyze.

  2. are very specific and can prevent the conversion of products back to substrates.

  3. drive reactions to completion while other catalysts drive reactions to equilibrium.

  4. lower the activation energy for the reactions they catalyze.

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TLS Online TPP Program

#Question id: 24074

#Section 5: Bioprocess Engineering and Process Biotechnology

For the reaction 2A + 3B → 4C + 5D, the rate of the reaction in terms of ΔB would be written as

TLS Online TPP Program

#Question id: 24075

#Section 5: Bioprocess Engineering and Process Biotechnology

In the combustion of methane, CH4(g) + 2 O2(g) → CO2(g) + 2H2O (g), which reactant has the greatest rate of disappearance?

TLS Online TPP Program

#Question id: 24076

#Section 5: Bioprocess Engineering and Process Biotechnology

Which of the following is not a possible graph of concentration versus time for a reactant?

TLS Online TPP Program

#Question id: 24077

#Section 5: Bioprocess Engineering and Process Biotechnology

The following graph shows the kinetics curves for the reaction of oxygen with hydrogen to form water:
O2(g) + 2H2(g) → 2H2O(g). Which curve is hydrogen?

TLS Online TPP Program

#Question id: 24078

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of the following reaction:
N2(g) + O2(g) → 2NO(g)
If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of the reaction?

TLS Online TPP Program

#Question id: 24079

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of NO formation in the reaction:
N2(g) + O2(g) → 2NO(g)
If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of NO formation?