CHEM 1A03 Study Guide - Final Guide: Kinetic Energy, Heat Capacity, Inq Mobile

• School: McMaster University
• Department: Chemistry
• Course: CHEM 1A03
• Professor: Gillian Goward

Document Summary

Combustion is a reaction between a fuel and an oxidant (usually o2: rapid combustion heat and light released (match burning) usually used for, slow combustion takes place in low temperatures (cellular respiration and. Endothermic: requires heat (absorbs energy) (positive energy value) ((cid:4400)h>0) Exothermic: releases heat (releases energy) (negative energy value) ((cid:4400)h<0) metabolism) A system and its surroundings are arbitrary. A surrounding is anything that is not part of the system. Open system: both material and energy can enter/ exit between the surroundings (open beaker) Closed system: energy can be exchanged between the system and surroundings but matter cannot (closed flask) Isolated system: material or energy cannot exchange between the system and surroundings. Recall energy is the capacity to do work: potential: stored in items because of condition/position/composition, kinetic: energy of motion, total energy (u, energy can enter or exit a system thus a systems total energy can change. (cid:2177)(cid:3404) change in total energy u is simply energy.