método científico - quimica.ufpr.brquimica.ufpr.br/edulsa/cq112/aulas-slides/gases.pdf · at o oc...
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Método Científico
Observar curiosamente
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Experimento de Boyle
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Experimento de Charles (Jacques)
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Experimento de Gay-Lussac (Joseph Louis) e Avogadro (Amadeo)
?
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1
1.660538921 10−24 = 6.0221429011674 1023
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P =ρ R TM
O que acontece com a pressão atmosférica quando está prestes a
chover?
M =ρ R TP
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C = 12,011 g mol-1
H = 1,00797 g mol-1
O = 15,9995 g mol-1
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NaN3(s)
N2(g)
+ Na(s)
Qual a massa de NaN3 deverá ser
usada em um air bag de 57,0 L, P = 1,30 atm na temperatura de 25,0 oC?
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P =R T
V M − b−
a
VM2
P =R T
V M − b−
a
T V M2
P =R T exp(− a
R T VM )VM − b