AB, A2 and B2 are diatomic molecules. If the bond enthalpies of A2, AB & B2 are in the ratio 1 : 1 : 0.5 and enthalpy of formation of AB from A2 and B2 is – 100 kJ/mol^–1. What is the bond enthalpy of A2.

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#Question id: 11333

#XL - T Zoology

Small geographic areas with high concentrations of endemic species and a large number of endangered and threatened species are known as

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#Question id: 11334

#XL - R Botany

To qualify as a biodiversity hotspot, a region must meet following two strict criteria

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#Question id: 11338

#XL - R Botany

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

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#Question id: 11339

#XL - Q Biochemistry

Calculate the free energy change for glucose entry into cells when the extracellular concentration is 5 mM and the intracellular concentration is 3 mM.

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#Question id: 11368

#XL - S Microbiology

Which of these statements about prokaryotes is correct?

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#Question id: 11369

#XL - S Microbiology

If new genetic variation in the experimental populations arose solely by spontaneous mutations, then the most effective process for subsequently increasing the

prevalence of the beneficial mutations in the population over the course of generations is