CFHS EOC Chemistry Review

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Presentation transcript:

CFHS EOC Chemistry Review

Reporting Category 4 Vocabulary: Boyle’s Law Charles Law Avogadro’s Law Dalton’s Law of Partial Pressure Ideal Gas Law Exothermic Reactions Endothermic Reactions Thermochemical Equations Stoichiometry Kinetic Molecular Theory Kinetic Energy Potential Energy Chemical Energy Thermal Energy Law of Conservation of Energy Calorimetry

Boyle’s Law Charles’ Law decrease increase increase

pressure temperature pressure temperature moles pressure volume moles Boyles Law: 180. kPa Charles’ Law: 497 o C Combined Gas Law : 440. L Ideal Gas Law: 80. L

2.0 L CS2 6.66 L

15 L O2 23.5 L CO2 89.7 L O2 121 g CO2

Nuclear energy > Heat in coolant > Potential energy from steam > Kinetic energy of turbine > Electric energy Chemical energy from batteries > Heat energy + Light energy

Endothermic 329 K This reaction is endothermic

A. B. This reaction is exothermic C. -30 kJ/mol D. negative negative positive released Absorbed Higher than original Lower than original reactants reactants

H= -802.3 kJ/mol This reaction is exothermic. 0 kJ Neither -550 kJ Exothermic -350 kJ Exothermic +550 kJ Endothermic H= -802.3 kJ/mol This reaction is exothermic.

.069 J/g •oC Q= 770 J Day 4 Review ends here!!

Good Luck on the Chemistry STAAR Test!!

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