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)

#SCPH05 I Biotechnology
  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: 389

#SCPH05 I Biotechnology

A weak acid HA has a pKa of 5.0.  If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what would the final pH be?

TLS Online TPP Program

#Question id: 390

#SCPH05 I Biotechnology

What are the properties arising due to varying concentrations of solute in a given solvent, irrespective of the nature of solute with respect to the solvent?

TLS Online TPP Program

#Question id: 390

#SCPH05 I Biotechnology

What are the properties arising due to varying concentrations of solute in a given solvent, irrespective of the nature of solute with respect to the solvent?

TLS Online TPP Program

#Question id: 391

#SCPH05 I Biotechnology

In a hospital laboratory, a 10.0 mL sample of gastric juice, obtained several hours after a meal, was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assume that no buffers were present. What was the pH of the gastric juice?

TLS Online TPP Program

#Question id: 391

#SCPH05 I Biotechnology

In a hospital laboratory, a 10.0 mL sample of gastric juice, obtained several hours after a meal, was titrated with 0.1 M NaOH to neutrality; 7.2 mL of NaOH was required. The patient’s stomach contained no ingested food or drink, thus assume that no buffers were present. What was the pH of the gastric juice?

TLS Online TPP Program

#Question id: 402

#SCPH01 Biochemistry

If the DG'° of the reaction A -> B is –40 kJ/mol, under standard conditions the reaction: