2 years ago

Explain why natural selection did not favor the black moths at the end of the passage.

Chemistry

1 answer:

sergey [27]2 years ago

6 0

Answer:

ok u☺☺☺☺☺☺☺☺☺☺☺☺

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Determine the bonding type for boron trihydride given the electronegativity on the Pauling scale for boron is 2.0 and for hydrog

Anika [276]

Answer: The bond between boron and hydrogen in boron trihydride is covalent bond.

Explanation:

The type of bonding between the atoms forming a compound is determined by using the electronegativity difference between the atoms. According to the pauling's electronegativity rule:

If $\Delta \chi=0$ , then the bond is non-polar.
If $\Delta \chi\leq 1.7$ , then the bond will be covalent.
If $\Delta \chi>1.7$ , then the bond will be ionic.

We are given:

Electronegativity for boron = 2.0

Electronegativity for hydrogen = 2.1

$\Delta \chi=\chi_{H}-\chi_{B}\\\\\Delta \chi=2.1-2.0=0.1$

As, $\Delta \chi$ is less than 1.7 and not equal to 0. Hence, the bond between boron and hydrogen is covalent bond.

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3 years ago

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Vitek1552 [10]

Explanation:

1. Electron Cloud

2. Protons

3. Very Reactive but could be Medium.

4. Electrons but don't know.

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3 years ago

If you put 5.0 mL of alcohol into 100.0 mL of water, what is the solvent and what is the solution?

Sloan [31]

Water is the solvent. The solution is an aqueous solution, I believe.

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I disagree

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because you already have acid in your stomach. obviously drinking deadly acid is not healthy lol

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