100+ Methane natural gas PowerPoint (PPT) Presentations, Methane natural gas PPTs

Methane natural gas - PowerPoint PPT Presentation

Thermochemistry

Thermochemistry. Exothermic reactions release heat to the surroundings. Fe 2 O 3 + 2 Al ? 2 Fe + Al 2 O 3 + 851.5 kJ. Or ?H = -851.5 kJ. Thermite Reaction Demo. Potassium Permanganate Reaction Demo. Thermochemistry. Endothermic reactions absorb heat from the surroundings.

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395 views • 19 slides

Biogas in agriculture

Biogas in agriculture. Biogas production. Biogas is produced when organic material is degraded in oxygen free environment Microbes utilise material as energy source Organic material is fermented in same manner as in alcohol or other fermented food

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403 views • 16 slides

Example Problem: TBE

Example Problem: TBE. Determine the enthalpy change that accompanies the reaction below. Use the method of average bond dissociation energies to determine the answer 4 x 414 + 0.5 x 498 = 1905 kJ/mol for bonds broken (this always costs energy, +ve sign)

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116 views • 1 slides

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Methane natural gas - PowerPoint PPT Presentation

Thermochemistry

Biogas in agriculture

Example Problem: TBE