Other Chemistry Answers

What are the disadvantages of biomonitoring of water quality? Elaborate.

What is the principle of ion exchange chromatography?Write any one application of this chromatography.

What is meant by standards with reference to different pollutants? Describe how the standards for different pollutants are set.

What is mesopause and which layer of atmosphere is just above it?Give appropriate diagram indicating all the layers of atmosphere.

How do soils become alkaline?Give the advantages and disadvantages of alkaline soils.

What is the basis of soil texture analysis ?explain any two methods used for this purpose.

402 kJ of energy is used to boil liquid lead at its boiling point. Calculate the maximum mass of lead that can be boiled in grams.

b. You collect the following data by monitoring the reaction at 400 nm for 1 min. Calculate the velocities in units of mol/min using Beer’s law (A=concentration*pathlength*molar absorptivity). Your pathlength is 1 cm and the molar absorptivity (ε) of p-nitrophenol at 400 nm is 17800/(M*cm).

substrate (mM) Δabs/min Velocity (mol/min)
0.125 0.123
0.5 0.304
1 0.579
2 0.68
4 0.72


c. Create a Lineweaver-Burk plot with your data and turn it in.
What are the Vmax and Km?

d. You repeat your experiment, but this time adding a suspected inhibitor to your reaction. The equation of the Lineweaver Burk plot for this data is y = 6.5932x + 6.6064. What are the Vmax and, Km? What type of inhibitor is this and how do you know?

What are advantages of membrane filter technique used for bacteriological analysis of water? Classify drinking water on the basis of total coliform count per 100 cm^(3).

Explain the types of rocks and the process of their formation.Please explain in details.