3 years ago

What is a neutralization reaction?

1 answer:

7 0

The reaction between strong acid and base which results in the formation of salt and water. This reaction is called Neutralization reaction.

Ex:- HCl + NaOH → NaCl + H2O.

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What are two examples of a chemical change

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1.Cooking an egg

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3 years ago

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Arrange the following elements in order of decreasing atomic radius: Ba, Sn, S, Pb, and As. Rank elements from largest to smalle

vodka [1.7K]

Answer:

Ba>Sn>Pb>As>S

Explanation:

Hello,

In this case, we can write the atomic radius for the given elements:

$r_{Ba}=268pm\\r_{Sn}=225pm\\r_{S}=100pm\\r_{Pb}=202pm\\r_{As}=185pm$

In such a way, the required order is:

Ba>Sn>Pb>As>S

This is also in agreement as a periodic trend which states that the higher the period, the higher the radius.

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3 years ago

The density of copper is 8.68 g/mL use the density value to determine how many moles are

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Answer:

17.1 mol

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(8.68g/mL * 125 mL) = 1085 g

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An element can be identified by the number of

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Protons. The number of protons align with the number on the periodic table.

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What is a neutralization reaction￼?

What is a neutralization reaction?