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2 months ago

Identify the longest, shortest, strongest, and weakest bonds from those highlighted below.

Biology

2 answers:

enyata [2.5K]2 months ago

6 0

Longest: D. Shortest: A.

Strongest: A. Weakest: D.

Further Explanation:

Longest bond:

Triple bonds are considered the longest and also the shortest in lifespan. Following those are double bonds, which have a strength that resides between triple and single bonds. Ultimately, single bonds are weaker than the other two types, and they are the longest among the three.

Strongest bond:

There exist bonds with varying strengths, some being weaker, and others stronger. Ionic and covalent bonds stand out as two of the strongest bond types. These chemical bonds form between two atoms, each with its respective electron configuration. If both atoms share an electron roughly equally, they establish a covalent bond.

Shortest bond:

The robust hydrogen bond, where a hydrogen atom is situated between two electronegative atoms at a minimum potential, has been widely discussed, although rarely experimentally validated. The compound 4-cyano-2, 2, 6, 6-tetramethyl-3,5-heptanedione is known to possess the shortest balanced O−H bond.

Weakest bonds:

Weakest bonds can form as well. These are attractions that occur between positive and negative charges and do not require substantial energy to rupture. Two common weak bonds are hydrogen bonds and van der Waals forces.

Subject: biology

Level: college

Keywords: Longest bond, strongest bond, Shortest bond, Weakest bonds.

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s2008m [2.3K]2 months ago

4 0

Longest: D. Shortest: A. Strongest: A. Weakest: D.

Clarification: Option A represents the shortest and strongest bond. A higher number of bonds results in electrons being more densely packed and closer together, resulting in shortened bond length. The increased tightness of the bond also contributes to its strength.

Single bonds are characterized as the longest and weakest. Next, we must differentiate between C and D; both choices involve C-C bonds, yet the bond in option D is less strong due to its differing p-character (hybridization).

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Response:

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Rationale:

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2 months ago

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Convert enzyme concentrations of 2.5%, 5.0%, and 10% to ppt units.

lana [2441]

Answer:

2.5 x 10¹⁰ ppt

5.0 x 10¹⁰ ppt

1.0 x 10¹¹ ppt

Explanation:

The term ppt denotes parts per trillion, meaning how many parts of the enzyme are present in 1 trillion parts. Percentage denotes the number of parts per 100 units. To convert the provided values from percentage to ppt:

$\frac{2.5}{100}=\frac{a}{1,000,000,000,000}\\a=2.5 *10^{10}\ ppt\\\\\frac{5.0}{100}=\frac{b}{1,000,000,000,000}\\b=5.0 *10^{10}\ ppt\\\\\frac{10}{100}=\frac{c}{1,000,000,000,000}\\c=1*10^{11}\ ppt$

The concentrations in ppt are:

2.5 x 10¹⁰ ppt

5.0 x 10¹⁰ ppt

1.0 x 10¹¹ ppt

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garik1379 [2080]

Answer:

Cells within a large multicellular organism communicate through chemical signals. These signals are relayed from one cell to another. A cell must have a receptor for that chemical to interpret and respond to a signal.

Explanation:

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