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AlekseyPX
10 days ago
7

Bonds between two atoms that are equally electronegative are _____. bonds between two atoms that are equally electronegative are

_____. polar covalent bonds hydrogen bonds van der waals interactions ionic bonds nonpolar covalent bonds
Chemistry
1 answer:
Alekssandra [968]10 days ago
4 0
When two atoms with equal electronegativity bond together, they form nonpolar covalent bonds.

Your second statement mirrors the first; the second statement likely reads, "Bonds between two atoms with unequal electronegativity are termed polar covalent bonds."
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No amino acid molecule by itself can speed up or catalyze reactions between other molecules; however, when amino acids are joine
Anarel [852]

Answer:

This indicates that the enzyme is a type of protein.

Explanation:

It is important to remember that proteins are composed of vast numbers of amino acids. Because these amino acids are tiny units, they cannot function as a catalyst on their own.

However, when they form a polymer, the protein enzyme will possess varying shapes, sizes, and both physical and chemical attributes differing from a single monomer.

Additionally, for proteins to function actively, a specific number of amino acids must combine to create a distinct shape suited to interact with another molecule, thus accelerating the chemical reaction and functioning as an enzyme.

8 0
4 days ago
Read 2 more answers
Fermium-253 is a radioactive isotope of fermium that has a half-life of 3.0 days. A scientist obtained a sample that contained 2
lions [985]

Problem 2

You begin with 216 micrograms of Fermium - 253. After three days, the quantity halves, resulting in 108 micrograms left.

Another three days pass. Beginning with 108 micrograms, this amount gets halved again, leaving 54 micrograms.

Finally, after another three-day span, starting from 54 micrograms, you again halve this amount to reach 27 micrograms.

#days              Amount in micrograms

0                              216

3                               108

6                                54

9                                27

Problem One

Your example is Nitrogen. Begin by completing the table, then formulate some rules to help prepare for possible alternate elements in the test. This approach is quite useful.

Table

Bond               Energy Kj/Mol               Bond Length pico meters

N - N                 167                                                145

N=N                  418                                                125

N≡N                  942                                               110

Rules

As the number of bonds INCREASES, the energy within the bond also INCREASES

As the number of bonds INCREASES, the distance of the bond DECREASES.

5 0
8 days ago
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An experimental drug, D, is known to decompose in the blood stream. Tripling the concentration of the drug increases the decompo
lions [985]

Answer:

The rate law for the decomposition reaction is:

R=k[D]^2

The unit for the rate constant will be M^{-1}s^{-1}

Explanation:

D\rightarrow Product

The rate law can be expressed as:

R=k[D]^x..[1]

When the drug concentration is tripled, the decomposition rate rises by a factor of nine.

[D]'=3[D]

R'=9\times R

R'=k[D]'^x...[2]

[1] ÷ [2]

\frac{R}{R'}=\frac{k[D]^x}{k[D']^x}

\frac{R}{9R}=\frac{k[D]^x}{k[3D]^x}

9=3^x

Solving for x results in:

x = 2.

This indicates a second-order reaction.

The decomposition reaction's rate law is:

R=k[D]^2

The unit for the rate constant will be:

k=\frac{R}{[D]^2}=\frac{M/s}{(M)^2}=M^{-1}s^{-1}

The unit for the rate constant will be M^{-1}s^{-1}.

5 0
12 hours ago
When drawing the Lewis structure for a molecule, after drawing the skeletal structure and distributing all of the electrons arou
Anarel [852]

Answer: Rearrange the lone pairs of electrons from the outer atom(s) to create double or triple bonds with the central atom.

Explanation:

7 0
2 days ago
The next 3 questions will walk you through using the Henderson-Hasselbalch equation for the following question. For each step pr
lions [985]

Response:

The pKa value is 13.0.

Clarification:

pKa + pKb = 14

For trimethylamine, Kb = 6.3 × 10^{-5}

Calculating pKb: pKb = - log (6.3 × 10^{-5})

= 1.0

Thus, pKa = 14 - pKb = 14 - 1.0

pKa = 13.0

Verification: The typical range for pKa in weak acids is from 2 to 13.

8 0
5 days ago
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