Calculate the heat of formation of benzene from the following data, assuming no resonance. Bond energies :

C – C = 83 kcal = 140 kcal C – H = 99 kcal

Heat of atomisation of C = 170 .9 kcal

Heat of atomisation of H = 52.1 kcal

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#Question id: 2125

#XL - T Zoology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.

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#Question id: 15675

#XL - S Microbiology

Shake tubes are used to determine the

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#Question id: 5541

#XL - T Zoology

What is the valued average rate at which the human brain produces neurons during development?

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#Question id: 16846

#General Aptitude

Head Over Heels

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#Question id: 13153

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The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is