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Dominik [7]
4 years ago
9

Which diagram is the best model for a solid?

Chemistry
2 answers:
Varvara68 [4.7K]4 years ago
8 0

Answer:

substance A is the best model for a solid :)

Explanation:

mestny [16]4 years ago
7 0
Substance A is the best model for a solid because: Solids are a group of tightly compacted molecules that cannot move. They can be bonded to each other, but just cannot move. Diagram B would most likely be a liquid, since it’s molecules are close together, but move freely. Model C would be a gas, since gaseous substances have molecules that move freely and are not very connected.
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When 0.5 moles of Zn react with 0.4 moles of HCL the limiting reactant will be HCL and excess reactant is Zn 0.3 moles excess and 0.2 moles Zn will be consumed in the reaction.

<h3>What is the limiting reactant in the given equation ?</h3>

STEP1- Write the balanced equation

            Zn +   2HCL   →  ZnCl₂  + H₂

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             1mol of Zn requires  →  2moles of HCL

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STEP3- Apply unitary method

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STEP4- excess reagent left 0.5-0.2=0.3

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Learn more about limiting reactions numericals.

brainly.com/question/12836695        

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