TLS Online TPP Program

#Question id: 15462


What is the enthalpy of 150 g formic acid at 70°C and 1 atm relative to 25°C  and 1 atm? (Cp for formic acid is 0.524 cal g-1 °C-1)

#Section 4: Fundamentals of Biological Engineering
  1. 3.537 kcal
  2. 3.537 cal
  3. 3537 kcal
  4. 35.37 kcal
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TLS Online TPP Program

#Question id: 27342

#Section 5: Bioprocess Engineering and Process Biotechnology

A culture of Rhizobium sp. is grown in a chemostat (200 m³ bioreactor). The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and Hmax = 0.3 h¹. The flow rate required to obtain steady state concentration of sucrose as 2 g/L in the bioreactor

TLS Online TPP Program

#Question id: 1440

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is NOT evidence that smoking causes lung cancer?

TLS Online TPP Program

#Question id: 14358

#Section 5: Bioprocess Engineering and Process Biotechnology

One liter per minute of liquid containing A and B (CA0 = 0.10 mollliter, CB() = 0.01 mollliter, Cco=0) flow into a mixed reactor of volume V = 1 liter. The materials react in a complex manner for which the stoichiometry is unknown. The outlet stream from the reactor contains A, B, and C (CAf = 0.02 mollliter, CBf = 0.03 mollliter, Cci = 0.04 mollliter), as shown in fig. 


Find the rate of reaction of A, B, and C for the conditions within the reactor  mol/liter.min 

TLS Online TPP Program

#Question id: 4906

#Section 3: Genetics, Cellular and Molecular Biology

Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is 

TLS Online TPP Program

#Question id: 403

#Section 2: General Biology

For the reaction A -> B, DG'° = –60 kJ/mol.  The reaction is started with 10 mmol of A; no B is initially present.  After 24 hours, analysis reveals the presence of 2 mmol of B, 8 mmol of A. Which is the most likely explanation?