2 years ago

What is the chemical formula for decomposition?

1 answer:

6 0

Answer: AB A + B

Explanation:

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madreJ [45]

3.64 hope that helps you

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2 years ago

postnew [5]

Yes because what other else can a scientist have

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2 years ago

PilotLPTM [1.2K]

A. Solid Liquid Gas

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3 years ago

laila [671]

Answer:

Biden 2020

Explanation:

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2 years ago

valentinak56 [21]

Answer: Thus 234 kJ of energy are required to produce 1.00 kilogram of iron metal

Explanation:

To calculate the number of moles , we use the equation:

$\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}$

Putting values , we get:

$\text{Moles of iron}=\frac{1000g}{56g/mol}=17.8moles$ (1.00kg=1000g)

The balanced chemical reaction is:

$Fe_2O_3(s)+2CO(g)\rightarrow 2Fe(s)+3CO_2(g)$ $\Delta H=+26.3kJ$

Given :

Energy released when 2 moles of $Fe$ is produced = 26.3 kJ

Thus Energy released when 17.8 moles of $Fe$ is produced =

= $\frac{26.3kJ}{2}\times 17.8=234kJ$

Thus 234 kJ of energy are required to produce 1.00 kilogram of iron metal

7 0

3 years ago