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sweet-ann [11.9K]
3 years ago
15

1. ¿Qué entendemos por laalquimia y los iatroquimica(Paracelso)?​

Chemistry
1 answer:
lara31 [8.8K]3 years ago
4 0

El concepto de iatroquímica se refiere a una etapa histórica de la química como ciencia, cuando comenzaba a despegarse de la alquimia y se vinculaba a la medicina. ... Fue Paracelso quien sostuvo que los procesos fisiológicos y patológicos eran causados por reacciones químicas.
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2n^2 electrons

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B

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69. Sequencing Arrange these hydrates in order of
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In order of  increasing percent water content:CoCl₂.6H₂O, Ba(OH)₂.8H₂O, MgSO₄.7H₂O

<h3>Further explanation</h3>

\tt \%element=\dfrac{Ar~element}{MW~compound}\times 100\%

CoCl₂.6H₂O.MW=237.90 g/mol

6H₂O MW = 6.18=108 g/mol

\tt \%H_2O=\dfrac{108}{237.9}\times 100\%=45.4\%

MgSO₄.7H₂O.MW=246.48 g/mol

MW 7H₂O = 7.18=126 g/mol

\tt \%H_2O=\dfrac{126}{246.48}\times 100\%=51.1\%

Ba(OH)₂.8H₂O MW=315.48 g/mol

MW 8H₂O = 8.18=144 g/mol

\tt \%H_2O=\dfrac{144}{315.48}\times 100\%=45.6\%

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3 years ago
An automobile tire contains air at 320.×103 Pa at 20.0 ◦C. The stem valve is removed and the air is allowed to expand adiabatica
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6.15.3 k

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q = 0,  Δu = w

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How do you use the changes in the phase of water to keep you cool?
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Answer:

by freezing

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