Periodicity Equations Flashcards by will char | Brainscape

Q

Mg(s) + 2H2O(l) ~~~>

Observation

A

Mg(OH)2(aq) + H2(g)

Fine bubbles and slow reaction

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Q

4Na(s) + O2(g) ~~~>

Observation

A

2Na2O(s)

White solid

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Q

2Mg(s) + O2(g) ~~~>

Observation

A

2MgO(s)

Bright white flame and white solid produced

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Q

4Al(s) + O2(g) ~~~>

Observation

A

2Al2O3(s)

White solid

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Q

Si(s) + O2(g) ~~~>

Observation

A

SiO2(s)

Nothing

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Q

P4(s) + 5O2(g) ~~~>

Observation

A

P4O10(s)

Nothing

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Q

S(s) + O2(g) ~~~>

Observation

A

SO2(g)

Blue flame, pungent choking gas produced

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Q

Na2O(s) + H2O(l) ~~>

Observation

A

2NaOH(aq)

Dissolves readily, ph14

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Q

MgO(s) + H2O(l) ~~>

Observation

A

Mg(OH)2(aq)

Sparingly soluble, ph 10

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Q

Al2O3(s) + H2O(l) ~~>

Observation

A

No reaction

Doesn’t dissolve LE is too high, it’s amphoteric

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Q

SiO2(s) + H2O(l) ~~>

Observation

A

No reaction

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Q

P4O10(s) + H2O(l) ~~>

Observation

A

4H3PO4(aq)

Acidic ph 0

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Q

SO2(g) + H2O(l) ~~>

Observation

A

H2SO3(aq)

Ph 3

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Q

SO3(g) + H2O(l) ~~>

Observation

A

H2SO4(aq)

Ph 0

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Q

2Na(s) + 2H2O(l) ~~~>

Observation

A

2NaOH(aq) + H2(g)

Effervescence and yellow flame

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