Rx químicas y estequiometría Flashcards

1
Q

Oxidación

A

Átomo pierde electrones, tiende hacia lo positivo

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2
Q

Reducción

A

Átomo gana electrones, tiene hacia lo negativo

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3
Q

Ácido

A
pH menor a 7. 
Bateria - 0
HCl y HS - 1
Limón - 2
Vinagre y refresco - 3
Tomate y lluvia ácida - 4
Café - 5
Leche - 6
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4
Q

Neutro

A

Agua con pH de 7

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5
Q

Base

A
Sangre - 7.35
Huevo - 7.6
Mar- 8.3
Bicarbonato - 9
Pastillas para la gastritis - 10
Amoniaco - 11
Jabón - 12
Cloro - 13
Limpiador de cañerías - 14
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6
Q

Formula del pH de ácidos

A

pH=-log(H)

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7
Q

Formula de pH de bases

A

pOH=-loh(OH)

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8
Q

pH+pOH=

A

14

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9
Q

Combustión

A

Endotérmica: necesita energía

Exotérmica: libera energía

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10
Q

Mol

A

unidad de medida de la materia

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11
Q

Número de Avogadro

A

6.022x10^23 -> 1 mol

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12
Q

Reactivo limitante

A

El que se acaba primero, controla la cantidad de producto que se forma

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13
Q

Reactivo en exceso

A

El que está en mayor cantidad

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