Thermodynamics and energy, Biology

Assignment Help:

Thermodynamics and Energy

  • 2 types of energy (kinetic and potential)
  • Work is the transfer of energy from one place to another
  • Energy isn't lost, only converted è first law of thermodynamics
  • Bond energy is the measure of the stability of a covalent bond
  • Activation energy à the energy it takes to reach the transition state
  • Transition state à the temporary condition in which the bonds of the reactants are breaking and the bonds of the products are forming

 

 

The Combustion Accountant

1.      Draw out molecule to see all bonds

2.      Take each type of bond

a.      Energy produced x # of bonds

3.      Add the energy of the molecule

4.      Do this for all reactants and then again for all products

5.      Add the energy of the reactants together (same with products)

6.      Take the ΔHproducts - ΔHreactants = 'actual' yeild

7.      Find the theoretical yield (in appendix or given)

8.      Theoretical - actual / actual  x 100%  = percent difference

 

  • ΔH->enthalpy à energy change in a reaction (negative is exothermic and positive is endothermic)
    • Exogonic reactions are more spontaneous then endogonic ones
  • ΔS-> Entropy à the measure of the disorder in a system
    • Increase in entropy is favoured
  • Gibbs free energy ΔG
    • Useful energy that can perform work
  • Energy will be lost as heat when converted è second law of thermodynamics
  • Metabolic processes are reversible

 


Related Discussions:- Thermodynamics and energy

What is molting, What is Molting? Explain in brief. The periodic sheddi...

What is Molting? Explain in brief. The periodic shedding of outer body covering of an animal. The term is applied to a variety of things including: loss of the outer exoskeleto

Type of genetic inheritance that determines abo blood group, What is the ty...

What is the type of genetic inheritance that determines the ABO blood group system? What are the relations of dominance among the involved alleles? The inheritance of the ABO b

Metazoan branches, Metazoan Branches The Kingdom Animalia comprises al...

Metazoan Branches The Kingdom Animalia comprises all the multicellular animals (metazoans). These are divided into three branches: Mesozoa Parazoa Eumetazoa

Explain calvin cycle, Calvin cycle (the aka Calvin-Benson Cycle or the Car...

Calvin cycle (the aka Calvin-Benson Cycle or the Carbon Fixation) is the series of biochemical, enzyme-mediated reactions during which the atmospheric carbon dioxide is reduced an

Define historical example for dynamical network, Define Historical example ...

Define Historical example for Dynamical Network? John Tyson constructed a nonlinear differential equation model representing the majority of the network of biochemical pathways

Define nutrient requirements during emergencies, Define Nutrient Requiremen...

Define Nutrient Requirements during Emergencies? The nutritional requirements of the people do change during conditions of unforeseen stress and/or any calamity. Certain recomm

Vertebrate limb, Vertebrate Limb Earlier we know that how a series of...

Vertebrate Limb Earlier we know that how a series of sequential and coordinated interactions between different cell groups and tissues carry about the construction of a compl

Mechanism of regeneration, MECHANISM OF REGENERATION - T.H. morgan reco...

MECHANISM OF REGENERATION - T.H. morgan recognised 2 primary mechanisms - M o r ph o l axis Epim orphosis 1. Production of enti

How is the lac operon regulated by the sigma factor, 1. Many bacterial gene...

1. Many bacterial genes show adaptive regulation of their transcription. a) How is the lac operon regulated by the sigma factor? b) How is the lac operon regulated by lactose

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd