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andrew-mc [135]
4 years ago
12

How does a community look after a volcano erupts

Chemistry
2 answers:
gizmo_the_mogwai [7]4 years ago
8 0
Everything will be burned there will be ashes almost like a fire, something like 9-11
navik [9.2K]4 years ago
5 0
Nearby communities can expect to be covered in ash, at the least.
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What is the volume in liters of hydrogen gas that would be produced by the reaction of 40.0 g of Al with excess HCl at STP accor
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The volume in liters of Hydrogen gas = 49.28 L

<h3>Further explanation </h3>

The reaction equation is the chemical formula of reagents and product substances  

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products  

Reaction

2 Al (s) + 6 HCl (aq) → 2 AlCl₃ (aq) + 3 H₂ (g)

mol Al :

\tt mol=\dfrac{mass}{Ar}=\dfrac{40}{27}=1.481

mol  H₂ :

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so the volume of hydrogen :

\tt 2.2 \times 22.4=49.28~L

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