'Enthalpy changes' diaporamas de présentation

Energetics

2.77k views • 119 slides

Alkene Reactions

Alkene Reactions. Pi bonds. Reactivity above and below the molecular plane!. Plane of molecule. Addition Reactions. Important characteristics of addition reactions Orientation (Regioselectivity) If the doubly bonded carbons are not equivalent which one get the A and which gets the B.

1.02k views • 79 slides

Solution Chemistry

Solution Chemistry. Solids, Liquids, and gases dissolve to form solutions. What is a solution? A mixture of 2 or more substances that are uniformly mixed with each other. What does it mean to dissolve?

1.09k views • 72 slides

Energy

Energy. Chapter 16. 16.1 Energy. Energy is the ability to do work or produce heat. Heat is commonly measured in joules or calories. 1 calorie = 4.184 joules. Specific Heat.

1.03k views • 33 slides

Thermochemistry

545 views • 21 slides

Energy

Energy. The ability to do work or transfer heat. Work: Energy used to cause an object that has mass to move. Heat: Energy used to cause the temperature of an object to rise. Potential Energy. Energy an object possesses by virtue of its position or chemical composition. 1. KE = ? mv 2.

340 views • 20 slides

Reaction Rates and Equilibrium

446 views • 20 slides

Module 3

Module 3. Lesson 1 - Enthalpy Changes in Chemistry. Starter. When a chemical reaction takes place heat may be given out or taken in. Can you remember the word we use when heat is given out? Can you remember the word we use when heat is taken in?. AfL - Energy level diagrams.

317 views • 19 slides

Heat in Changes of State

334 views • 16 slides

Chemistry 122

Chemistry 122. Calculating the Heats of Reaction. Hess's Law. It is sometimes difficult to measure the change in enthalpy in a reaction because the reaction does not actually happen. It is possible to measure the heat indirectly.

307 views • 15 slides

Enthalpy Changes

555 views • 11 slides

Heats of Reactions

Heats of Reactions. Energy change as a function of molar quantities. The change in enthalpy between reactants and products in a reaction is called the HEAT of reaction, represented by the symbol D H Heat of reaction = Heat content of products - Heat content of reactants

171 views • 8 slides

Calorimetry calculation problems

220 views • 8 slides

STANDARD HEAT OF FORMATION ?H 0 f or ?H ? f

STANDARD HEAT OF FORMATION ?H 0 f or ?H ? f. It is define as the change in enthalpy that accompanies the formation of one mole of a compound from its elements at standard states of 25 0 C and 101.3kPa. What are the standard conditions?. ?H 0 f or ?H ? f.

376 views • 7 slides

Chemistry 122

Chemistry 122. Calculating the Heats of Reaction. Hess's Law. It is sometimes difficult to measure the change in enthalpy in a reaction because the reaction does not actually happen. It is possible to measure the heat indirectly.

158 views • 0 slides