Identify the chemical reaction Below: Ca(OH)2 + HCI CaCl2 + H20

Chemistry

1 answer:

belka [17]3 years ago

3 0

Answer:

Neutralizaion reaction!

Explanation:

Calciumhydroxide under Hydrochloric acid gives Calciumchloride with the formation of water.

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Cl2 reacts with the element Sr to form an ionic compound. Based on periodic properties, identify a molecule, X2, that is likely

Leto [7]

Answer:

The bromine molecule, Br2 will likely react with Sr in a similar way to chlorine molecule, Cl2.

Explanation:

Chlorine belongs to group 7 of the periodic table. Elements in this group are known as halogens. Its molecule has the formula Cl2. The next element in the group after chlorine is bromine. Its molecule has a formula Br2. It has similar properties as chlorine, therefore, it would react with Strontium in a similar way to chlorine.

Elements belonging to the same group of the periodic the table have similar chemical properties as they contain the same number of valence electrons. Chlorine and Bromine both belong to group 7 of the periodic table and each have seven valence electrons. They both react with metals to form salts even though reaction with chlorine is more vigorous as it is more reactive than bromine. They both form negatively-charged ions with a charge of -1.

Reaction of Strontium with the halogens:

With chlorine: Sr + Cl2 ---> SrCl2

With bromine: Sr + Br2 ---> SrBr2

The salts formed are both crystalline salts with high melting and boiling points.

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4 years ago

Alpha particles are most like...

gogolik [260]

They are identical to the nucleus of the helium-4 atom. So the answer is helium atoms.

Hope this helps! :)

4 0

4 years ago

Which of the following statements is correct concerning the class of reactions to be expected for benzene and cyclooctatetraene?

Sunny_sXe [5.5K]

Answer:

Both substances undergo substitution reactions.

Explanation:

Let us go back to the idea of aromaticity. Aromatic substances are said to possess (4n + 2) π electrons according to Huckel rule.

Aromatic substances are unusually stable and the aromatic ring can not be destroyed by addition reactions.

Since both benzene and cyclooctatetraene are both aromatic, they do not undergo addition reactions whereby the aromatic ring is destroyed. They both undergo substitution reaction in which the aromatic ring is maintained.

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3 years ago

An element that contains an electron in a d sublevel is A. Mg. B. O. C. Fe. D. Ne.

Dimas [21]

C) Fe

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

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3 years ago

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A researcher used HPLC to examine a bicomponent mixture containing 1.22 mg/L of compound A and 1.31 mg/L of compound B, which wa

muminat

Answer:

Response factor A: 8950 L/mg