The scientific discipline concerned with naming organisms is called

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#Question id: 20113

#XL - P Chemistry

A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is (Q1 + Q2). This data

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#Question id: 1694

#XL - Q Biochemistry

Antigen processing for presentation by MHC class II molecules involves:

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#Question id: 11079

#XL - T Zoology

The diffusing capacity of a gas is the volume of gas that will diffuse through a membrane each minute for a pressure difference of 1 mm Hg. Which of the following gases is often used to estimate the oxygen diffusing capacity of the lungs?

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#Question id: 10556

#XL - R Botany

The energy needed to separate molecules from the liquid phase and move them into the gas phase at constant temperature called

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#Question id: 20248

#XL - P Chemistry

C (s) + O2 (g) →CO2, (g); DH = –94.3 kcal/mol

CO (g) + O2(g) → CO2 (g); DH = – 67.4 kcal/mol

O2(g) → 2O (g); ΔH = 117.4 kcal/mol

CO (g) → C (g) + O(g) ; ΔH = 230.6 kcal/mol

Calculate ΔH for C (s) → C (g) in kcal/mol.