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erastovalidia [21]
3 years ago
12

1) A nonpolar covalent bond occurs: a. when one atom in a molecule has a greater affinity for electrons than another b. when a m

olecule’s constituent atoms attract the electrons equally c. when an electron from one atom is completely transferred to another atom d. between atoms whose outer energy levels are complete e. when a molecule becomes ionized
Chemistry
1 answer:
Kay [80]3 years ago
6 0

Answer:b

Explanation:

When a covalent bond is nonpolar, it implies that there is a symmetric distribution of the electron cloud between the the two nuclei. That is, the electron cloud of the shared pair is positioned equidistant from the two bonding atoms. In this case, the both atoms attract electrons equally and the molecule lacks a permanent dipole.

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Fill in the Blanks: A molecular compound is made up of two or more _______ atoms. The type
Marizza181 [45]

Answer:

1.molecules of atoms

2.chemical bond

3.electrons

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8 0
3 years ago
Given the information below, which is more favorable energetically, the oxidation of succinate to fumarate by NAD+ or by FAD? Fu
sasho [114]

Answer:

Oxidation by FAD  

Explanation:

1. Oxidation by NAD⁺

Succinate ⇌ Fumarate + <u>2H⁺ + 2e⁻</u>;                  E°´ =  -0.031 V  

<u>NAD⁺ + </u><u>2H⁺ + 2e⁻</u><u> ⇌ NADH + H⁺;                    </u>  E°´ = <u> -0.320 V</u>

Succinate + NAD⁺ ⇌ Fumarate  + NADH + H⁺; E°' =  -0.351 V

2. Oxidation by FAD

Succinate ⇌ Fumarate + 2H⁺ + 2e⁻;        E°´ = -0.031 V  

<u>FAD + 2H⁺ + 2e⁻ ⇌ FADH₂;                   </u>  E°´  = <u>-0.219 V </u>

Succinate + FADH₂ ⇌ Fumarate + FAD; E°' = -0.250 V

Neither reaction is energetically favourable, but FAD has a more positive half-cell potential.

FAD is the stronger oxidizing agent.

The oxidation by FAD has a more positive cell potential, so it is more favourable energetically.  

 

8 0
3 years ago
A 20 ounce bottle of soda provides a total of 300. calories. how many kilojoules are in the soda
Yuri [45]

The ratio which denotes the relation between the two different units is said to conversion factors.

According to conversion factors, the relation between calorie and kilojoule is given as, one Calorie is equal to 4.184 kJ.

1 Cal = 4.184 kJ

Now, according to above relation, convert 300 calories into kilojoules.

300 calories =300 Cal\times \frac{4.184 kJ}{1 Cal}

= 1255.2 kJ

\simeq 1255 kJ

Thus, kilojoules present in soda is equal to 1255 kJ

6 0
3 years ago
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Lunna [17]
4.2 Liters = .0042 Kiloliters
3 0
3 years ago
What is the equation for light energy??
leonid [27]

Answer: E = hf

Explanation:..please mark brainliest

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3 years ago
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