Lab Quiz 2 Flashcards
What is thermochemistry?
Refers to the energy transformations that occur in all chemical reactions
What is the heat of neutralization?
The amount of heat transferred when one mole of an acid reacts with one mole of a base or the heat evolved when one mole of water is produced by an acid and a base reacting
What type of reaction absorbs energy?
Endothermic
What type of reaction releases energy?
Exothermic
What is energy?
The ability to do work
What is work?
work = force x direction
What is potential energy?
Energy of position
What is kinetic motion?
Energy of motion
First law of thermodynamics
Energy is neither created nor destroyed
What is enthalpy?
The change in internal energy during a reaction
What is Beer’s Law?
If a monochromatic light is allowed to fall on a solution, the amount of light absorbed or transmitted is dependent upon the concentration of the absorbing species absorbing the light and the length of the light path through the sample.