'5 kj mol' presentation slideshows

Section L Respiration and energy

Section L Respiration and energy. Electron transferring via a chain of membrane bound carriers, across membrane proton gradient, ATP synthesis (with O 2 consumed). 1. Cells need energy to do all their work.

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Unit 3: Thermochemistry

Unit 3: Thermochemistry. Chemistry 3202. Unit Outline. Temperature and Kinetic Energy Heat/Enthalpy Calculation Temperature changes (q = mc?T) Phase changes (q = n?H) Heating and Cooling Curves Calorimetry (q = C?T & above formulas). Unit Outline. Chemical Reactions

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Chapter 14 Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway

Chapter 14 Glycolysis, Gluconeogenesis, and the Pentose Phosphate Pathway. Glucose. Roles of glucose Fuel (Glucose ? CO 2 + H 2 O ; ? G = ~ -2,840 kJ/mol) Precursor for other molecules. Utilization of glucose in animals and plant Synthesis of structural polymers Storage

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Thermochemistry

Thermochemistry. Chapter 5 (p 165-181) Chapter 11 (11.4 and 11.6). ENERGY. Energy is the ability to do work or transfer heat. Energy used to cause an object that has mass to move is called work . Energy used to cause the temperature of an object to rise is called heat. Matter and Energy.

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Unit 5 How do we predict chemical change?

Unit 5 How do we predict chemical change?. In order to make predictions about the likelihood of a chemical process, we need to explore four main features:. THERMODYNAMICS Directionality Extent. KINETICS Rate Mechanism.

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CH. 11 INTERMOLECULAR FORCES

CH. 11 INTERMOLECULAR FORCES. FORCES >types >influences >strength LIQUIDS - SOLIDS >physical properties TRENDS PHASES - PHASE CHANGE >heating curves > ? H calculations. Equations. Clausius-Claperyron. RECALL. 3 physical states solid -- liquid -- gas.

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Thermochemistry

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q = (10.0g ? 2.09J/g o C ? 15.0 o C) + (10.0g ? 333J/g)

EXAMPLE: How much heat is required to heat 10.0 g of ice at -15.0 o C to steam at 127.0 o C ? q overall = q ice + q fusion + q water + q boil + q steam. q = (10.0g ? 2.09J/g o C ? 15.0 o C) + (10.0g ? 333J/g) + (10.0g ? 4.18J/g o C ? 100.0 o C) + (10.0g ? 2260J/g)

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Final Jeopardy

Final Jeopardy. Subterm 2 Solutions* Equilibrium* Acids & Bases* Thermochemistry* Redox Nuclear Chemistry* Organic Chemistry. THERMO. Calculate the ? H for this reaction: C 2 H 4 (g) + H 2 (g) ? C 2 H 6 (g) ( ? H ? f for C 2 H 4 (g) = 52.5 kJ/mol;

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q = (10.0g ? 2.09J/g o C ? 15.0 o C) + (10.0g ? 333J/g)

EXAMPLE: How much heat is required to heat 10.0 g of ice at -15.0 o C to steam at 127.0 o C ? q overall = q ice + q fusion + q water + q boil + q steam. q = (10.0g ? 2.09J/g o C ? 15.0 o C) + (10.0g ? 333J/g) + (10.0g ? 4.18J/g o C ? 100.0 o C) + (10.0g ? 2260J/g)

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Lecture 9 : D G, Q, and K The Meaning of D G

Lecture 9 : D G, Q, and K The Meaning of D G. Reading: Zumdahl 10.10, 10.11, 10.12 Outline Relating D G to Q Relating D G to K A descriptive example of D G. The Second Law. The Second Law: there is always an increase in the entropy of the universe .

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Thermodynamics

Thermodynamics. Three laws of thermodynamics Spontaneous processes Entropy Second and third law of thermodynamics Gibbs free energy Free energy of Chemical equilibrium. I. Three laws of thermodynamics. First law: conservation of energy Energy cannot be created or destroyed

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Lecture 25 The sources of energy: posphorylation, oxidation and coupling chemical energy to work

Lecture 25 The sources of energy: posphorylation, oxidation and coupling chemical energy to work. Peter Mitchell. Why protons? Why ATP? Why oxygen? Most cells use a proton gradient as an energy source across their plasma membrane. Why do animal cells use a sodium gradient?. Why protons?

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Alkanes and Cycloalkanes: Conformations and cis-trans Stereoisomers

Alkanes and Cycloalkanes: Conformations and cis-trans Stereoisomers Stereochemistry : three-dimensional aspects of molecules Conformation : different spatial arrangements of atoms that result from rotations about single ( ? ) bonds

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??? ???? ? Bioenergetics ?

??? ???? ? Bioenergetics ?. ? ??????????????? ? ?????????????? ? ??????????. ? ???????????????. ?? ? ?????? ?? ( system)? ??????????????? ?? ? surroundings?? ????????????. ???? ( open system)? ???????????? ??????

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Chapter 5: Thermochemistry

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Chapter 5: Thermochemistry

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GASES Question 2: 1995 B Free Response

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GASES Question 2: 1995 B Free Response

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