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sp2606 [1]
2 years ago
14

What happens when sodium trioxocarbonate (IV) decahydrate is heated

Chemistry
1 answer:
PSYCHO15rus [73]2 years ago
5 0

Answer:

the simplest answer is it loses the water (decahydrate) because it evaporates

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How do dominate and recessive alleles differ?
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2 years ago
Which change does an increase in heat energy cause?
Bumek [7]

Answer:

C more collision between molecules

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5 0
2 years ago
A sample of 211 g of iron (III) bromide is reacted with
Alisiya [41]

FeBr₃ ⇒ limiting reactant

mol NaBr = 1.428

<h3>Further explanation</h3>

Reaction

2FeBr₃ + 3Na₂S → Fe₂S₃ + 6NaBr

Limiting reactant⇒ smaller ratio (mol divide by coefficient reaction)

  • FeBr₃

211 g of Iron (III) bromide(MW=295,56 g/mol), so mol FeBr₃ :

\tt n=\dfrac{mass}{MW}\\\\n=\dfrac{211}{295,56}\\\\n=0.714

  • Na₂S

186 g of Sodium sulfide(MW=78,0452 g/mol), so mol Na₂S :

\tt n=\dfrac{186}{78.0452}=2.38

Coefficient ratio from the equation FeBr₃ :  Na₂S = 2 : 3, so mol ratio :

\tt FeBr_3\div Na_2S=\dfrac{0.714}{2}\div \dfrac{2.38}{3}=0.357\div 0.793

So  FeBr₃ as a limiting reactant(smaller ratio)

mol NaBr based on limiting reactant (FeBr₃) :

\tt \dfrac{6}{3}\times 0.714=1.428

6 0
3 years ago
What general trend applies to solubility?
Marysya12 [62]

Answer:

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2 years ago
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