What are alternative periodic tables

Chemistry

1 answer:

aksik [14]3 years ago

5 0

Tabulations of chemical elements differing in their organization from the traditional seen periodic system

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You are presented with a white solid and told that due to careless labeling it is not clear if the substance is barium chloride,

Lady bird [3.3K]

The given salts are Barium chloride, lead chloride and zinc chloride.

The balanced chemical reaction between barium chloride and sodium sulfate:

$BaCl_{2}(aq)+Na_{2}SO_{4}(aq)-->2NaCl(aq)+BaSO_{4}(s)_{white precipitate}$

The balanced chemical reaction between lead chloride and sodium sulfate:

$PbCl_{2}(aq)+Na_{2}SO_{4}(aq)-->2NaCl(aq)+PbSO_{4}(s)_{white precipitate}$

The balanced chemical reaction between zinc chloride and sodium sulfate:

$ZnCl_{2}(aq)+Na_{2}SO_{4}(aq)-->2NaCl(aq)+ZnSO_{4}(aq)$

Both Barium chloride and lead chloride produce a white precipitate of their respective sulfates upon reaction with sodium sulfate. But BaCl2 is readily soluble in water where as Lead chloride is insoluble in water.

Therefore, the compound is barium chloride.

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3 years ago

Margarita [4]

Answer:

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Explanation:

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URGENT HELP PLEASE balance equation !20 points!

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Calculate Δ H ∘ in kilojoules for the reaction of ammonia (Δ H ∘ f =−46.1 kJ/mol) with O 2 to yield nitric oxide NO (Δ H ∘ f =91

Vitek1552 [10]

Ummmmmmm......... im in 6th grade and i do not understand 1 bit of this, but i tried, sorry! :)

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kiruha [24]

I think it is sunlight

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