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Zigmanuir [339]
3 years ago
11

Question 4(Multiple Choice Worth 4 points)

Chemistry
2 answers:
Sveta_85 [38]3 years ago
6 0
C because endangered animals cannot be tested in the scientific method
boyakko [2]3 years ago
6 0

Answer: C) Why should endangered animals be protected?

Explanation:

A science is a discipline which can answer questions related to the cause of natural processes or events occurring in the natural world. The questions related to science can be answered by experimental procedures.

C cannot be answered by science as it is a question of moral question related to social ethics. The endangered animals if abolished will negatively reduce the biodiversity of the organisms living on earth.  

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Large molecules are formed by what process?
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Atoum is the process of how large molecules are formed
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How many of NaOH are in 381 grams of NaOH?
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Answer:

Disnt make sense show me question

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How many protons do you think are dissociable from propionic acid and butyric acid? Explain your reasoning.
RSB [31]

Answer:

One

Explanation:

The formulas for the two acids are CH₃CH₂COO-H and CH₃CH₂CH₂COO-H.

The key factors to consider are the polarities of the C-H and O-H bonds.

A. C-H bonds

The difference in electronegativity is ΔEN =|2.55 - 2.20| = 0.35.

This difference of so small that we usually consider the C-H bond to be nonpolar.

It is extremely unlikely that a C-H bond will dissociate onto ions.

B. O-H bonds

The difference in electronegativity is ΔEN =|3.44 - 2.20| = 1.24.

Thus, an O-H bond is highly polar covalent — the bond has about 32 % ionic character.

It is much more likely that an O-H bond will go all the way and dissociate onto ions.

RCOOH + H₂O ⇌ RCOO⁻ + H₃O⁺

The Kₐ for an O-H bond is about 10⁴⁶ times that of a C-H bond.

Only the O-H bond of a carboxylic acid will dissociate,

7 0
3 years ago
For each property listed, identify the type of element it describes.
Juliette [100K]

Answer:

1.Very good electrical conductivity :<u> Metals</u> (Decreacing order of conductivity)

  • <em>Silver > Copper > Gold > aluminium</em>

2. Amphoteric <u>: Metal elements</u>

  • <em>Beryllium , Aluminium , Zinc </em>,

3.Gaseous at room temperature: mostly <u>Nobel gases elements</u> and some non - metal elements.

  • <em>Helium ,neon , argon , krypton , fluorine , Oxygen , nitrogen</em>

4.Solid at room temperature:<u> Mostly Metals</u> (few non-metals, metalloid elements)

  • <em>Metals (Sodium  , potassium , calcium , gold are solid)</em>

<em>Non- metals(Carbon ,Boron )</em>

<em>Metalloids(antimony)</em>

<em>5.</em> Brittle <em>: </em><u>non - metals </u>(can't be rolled into wires)

<em>Hydrogen , carbon , sulfur , phosphorus</em><u> </u>

Explanation:

6 0
3 years ago
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The light reactions synthesize ATP, NADPH, and O2 using which of the the following process(es):
julia-pushkina [17]

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D . oxidation and reduction oxidation

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