Experimente Flashcards

1
Q

Brennt Platin?

A

Nein

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2
Q

Härte und elektrische Leitfähigkeit von Natrium

A

weich/gut

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3
Q

MgO
Name und Aussehe, AZ

A

Magnesiumoxid, weißes Pulver, fest

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4
Q

Braunstein
Formel, Name, Aussehen, AZ

A

MnO2, Mangandioxid, fast schwarzes Pulver, fest

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5
Q

MnO2 Name

A

Braunstein

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6
Q

KNO3
Name und Aussehen, AZ

A

Kaliumnitrat
farbloses, weißes Salz

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7
Q

Iod
Aussehe, AZ

A

Violett
Fest, beim Erhitzen wird gasförmig

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8
Q

KMnO4
Name und Aussehen, AZ

A

Kaliumpermanganat
Tiefviolettes Pulver, fest

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9
Q

CH2Cl2
Name und Aussehen, AZ

A

Dichlormethan
Farblos
Flüssig

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10
Q

Filtration Beispiel

A

f/f/fl
1) KNO3 + H2O (homogen)
2) (KNO3 + H2O) + Braunstein (heterogen)
3) MnO2 bleibt im Filter

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11
Q

Extraktion Beispiel

A

fl/fl/fl
1) Brom+ Wasser (Bromwasser) (homogen)
2) Bromwasser + CH2Cl2 (heterogen)
3) Extraktieren

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12
Q

Sublimation Beispiel

A

f/f
1) Iod + Seesand
2) Erhitzen I2 (g)
3) Abkühlen I2 (f)

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13
Q

Sublimation Beispiel

A

f/f
1) Iod + Seesand
2) Erhitzen I2 (g)
3) Abkühlen I2 (f)

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14
Q

Magnesiumverbrennung Reaktion

A

2 Mg + O2 > 2MgO

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15
Q

Natrium im Wasser Reaktion

A

2NA + 2 H2O > 2NaOH + H2

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16
Q

Natriumhydroxid

A

NaOH

17
Q

Was wird im Hofmannsche Apparat gemacht?

A

Elektrolytische Zerlegung von H2O

18
Q

Elektrolytische Zerlegung von H2O
Reaktion und Vol-Verhältnis

A

2 H2O -> 2H2 + O2 (2:1)