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Unit 2 Knowledge

Facts

QuestionAnswer
The smallest identifiable unit of an element is an... Atom
The smallest identifiable unit of an a compound is a... Molecule
Identify the number and type of atoms present in baking soda, NaHCO3 Na=1 H=1 C=1 O=3
The smallest identifiable unit of an element is an... Atom
The smallest identifiable unit of an a compound is a... Molecule
Identify the number and type of atoms present in baking soda, NaHCO3 Na=1 H=1 C=1 O=3
Specific heat unit= J/gc
Anything that has mass or takes up space is... Matter
Specific heat is... The amount if heat required to raise the temp of 1 gram of the substance by 1c
This cannot be broken down into a more simple substance... Atom
Density = mass/volume
Specific heat unit= J/gc
Specific heat is... The amount if heat required to raise the temp of 1 gram of the substance by 1c
c = J/(g)(c) Specific heat formula
c = J/(g)(c) Each letter means... c= the specific heat j= joules of energy g= grams c= temp
"Potential" to undergo some chemical change or reaction by virtue of its composition observed when undergoes a composition change. Chemical property
Some examples of chemical properties are... Heat of combustion. reactivity with water, pH, flammability, toxicity.
A measurement must have what attached to a number? Unit
When writing a measurement always... Estimate one unit beyond the scale.
When doing unit conversions always use... Dimensional anaylsis
Heat capacity is... The ability of a material to retain heat.
Created by: amelskt
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