Affaires Pour Examen Finale Flashcards

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1
Q

Quesque le pouvoir tampon d’un sol?

A

Capacité tampon d’un sol est sa faculté de resister auc changements de pH s’il s’ajouye des composes acides ou basiques

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2
Q

Nome 3 principales etapes de traitment d’eaux usees

A

Physique : filtres ,gravité,matieres lourdes
Biologique: bacteries degradent matieres inorganiques
Chimique: tues les bacteries

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3
Q

Lorsque on parle de solutions enviranmental il faut..?

A

Justifiez nos solutions

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4
Q

Je suis le plus petit metal a posseder trois electrons de valence

A

Aluminum

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5
Q

Hydroxide en formule chimique

A

OH-

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6
Q

PO3- 4?

A

Phospate

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7
Q

Carbonate ?

A

CO 2- 3

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8
Q

Ammonium?

A

NH+ 4

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9
Q

Sulfate

A

SO4

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10
Q

Nitrate

A

NO- 3

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11
Q

Quelque ions polyatomiques usuels ?
(AHNCSP)

A

Ammonium, hydroxide, nitrate, carbonate, sulfate, phospate.
NH+4, OH-, NO- 3, Co 2- 3, SO 2- 4, , PO 3- 4,

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12
Q

Formule chimique de triflorure d’aluminum?

A

ALF3

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13
Q

Oxyde de beryllium en formule

A

BeO

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14
Q

Quesque la stabilite nucleaire ?

A

Lorsque la force nucleaire est plus grande que la force de repulsion entre les protons qui consituent le noyau
Stabilite grace au neutrons

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15
Q

Charge et pouvoir des trois rayons radioactif

A

Alpha: positive, plus faible
Beta: negative, medium
Gamma: neutre, stronk

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16
Q

Dans les formules chimique , quesque qui fait un acid et une base ?

A

Base : fini en OH
Acid: contient un H .

17
Q

Comment nomme ton les substances qui , dans leau, non pas de conductabilite electronique

A

Non electrolytes

18
Q

Quesque un isotopes?

A

Un atome du meme elements meme protons mais different nombre neutron

19
Q

Comment se lit cette isotope et quesque l’element ?:
12
8

A

Oxygene,