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alukav5142 [94]
3 years ago
7

A hypothesis would BEST be summarized as a type of _____. A. question B. procedure C. experiment D. explanation

Chemistry
2 answers:
IgorC [24]3 years ago
8 0

Answer:

D) Explanation

Explanation:

Hypothesis attempt to explain something. Hope this helps!

Fiesta28 [93]3 years ago
7 0

Answer:

D. explanation

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Answer:

\boxed{\text{B and C }}

Explanation:

In a single-displacement reaction, one element exchanges partners with another element in a compound.

\textbf{A. } \rm Fe + 2HCl \longrightarrow FeCl_2 + H_2

This is a single-displacement reaction, because the element Fe exchanges partners with H in HCl.

\textbf{B. } \rm KOH + HNO_3 \longrightarrow H_2O + KNO_3

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\textbf{C. } \rm Na_2S + 2HCl \longrightarrow 2NaCl + H_2S

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\textbf{D. } \rm Ca + 2HOH \longrightarrow Ca(OH)_2 + H_2

This is a single-displacement reaction, because the element Ca exchanges partners with H in H₂O.

\boxed{\textbf{B and C }} are not single-displacement reactions.

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3 years ago
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Why is a crystal of Strontium chloride described as an extended structure?
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Answer:

Explanation:

Chloride is described as an extended structure because its atoms are arranged following an endless repeating pattern and are of distinct ratio

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Chloride is a considered an extended structure because in sodium chloride it forms an unending repeated pattern of ions which makes it a perfect example of an extended structure.

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