In the reaction CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ΔH = –265 kcal

The enthalpies of formation of CO2 and SO2 are both negative and are in the ratio 4 : 3. The enthalpy of formation of CS2 is + 26 kcal/mol. Calculate the enthalpy of formation of SO2.

TLS Online TPP Program

#Question id: 164

#XL - T Zoology

The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

TLS Online TPP Program

#Question id: 11374

#XL - S Microbiology

Which of the following use light energy to generate ATP, but do not release oxygen?

TLS Online TPP Program

#Question id: 9272

#XL - R Botany

The quantum yield of photosynthesis falls off drastically for far-red light of wavelengths greater than 680 nm, indicating that far-red light alone is inefficient in driving

photosynthesis, this effect is called

TLS Online TPP Program

#Question id: 12684

#XL - S Microbiology

Many techniques used in molecular biology mimic in some way the natural functions such as_________.

TLS Online TPP Program

#Question id: 19968

#XL - P Chemistry

In an atom with 2K, 8L, 11M and 2N electrons the number of electrons with m= 0 ; s = + ½ are