Question

Problem 6.9
The combustion of one mole of benzene
takes place at 298 K and 1 atm. After
combustion, CO, (g) and H,O (1) are
produced and 3267.0 kJ of heat is
liberated. Calculate the standard
enthalpy of formation, A, HⓇ of benzene,
Standard enthalpies of formation of
co (g) and H,O(1) are -393.5 kJ mol
and - 285.83 kJ mol respectively
Solution​

Answer 1

Answer:

• Soil is a material composed of five ingredients — minerals, soil organic matter, living organisms, gas, and water. Soil minerals are divided into three size classes — clay, silt, and sand (Figure 1); the percentages of particles in these size classes is called soil texture. ... Relative sizes of sand, silt, clay.

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