H Chem
Unit 1 Test Review
Topics covered:
· Safety
· Lab equipment
· Division of Matter
· Chemical and Physical properties and changes
· Elements symbols/names
· Polyatomic Ions symbols/names
· Metrics
· Significant figures
· Scientific notation
· Estimation of answers
· Density
· Graphing
· Dimensional analysis
· Energy
· Kinetic and Potential energy
· Phase change graph
· Q = mCp∆T
· Conservation of energy
· q lost = q gained
Vocabulary/Things to know:
· Sig Fig Rules
· Chemical Property/change
· Physical property/change
· Accuracy vs. Precision
· Percent Error
· Percent Composition
· Independent vs. dependent variable
· Density
· Melting
· Evaporation
· Deposition
· Sublimation
· Condensation
· Freezing
· Intermolecular force
· Solution
· Temperature
· Standard Pressure
· Normal melting point
· Normal boiling point
· Triple point
· Critical point
· Phase boundary
· Phase diagram
· Specific heat
· Law of conservation of energy
· Chemical bond
· Exothermic reaction
· Endothermic reaction
· Activation Energy
· Heat of reaction
Equations and Conversion factors:
· Sig Fig Rules
· Scientific notation
· Metrics conversions (King Henry…)
· Dimensional analysis
· Density= mass/volume
· % Composition: (mass part / mass of whole) x 100
· % Error= |(observed value- true value)| X 100
(true value)
· qlost = qgained
o in other words….
§ (Cp hot object) (mhot object) (Ti – Tf) = (Cp cold object) (mcold object) (Tf – Ti)
· q=mCp∆T (be able to manipulate to solve for any variable)