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amid [387]
4 years ago
15

How many valence electrons do nitrogen atoms have

Chemistry
1 answer:
julsineya [31]4 years ago
4 0
Five valence electrons for one nitrogen and 10 valence electrons for two nitrogens
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How many moles of H20 are in 12.4 g H20?​
UNO [17]

Answer:

12.4g of water has 0.689 moles of water.

Explanation:

Molar weight of H_{2}O = 16 + 2 = 18g

One mole of H_{2}O weighs 18g.

18g\longrightarrow1\:mole\:of\:H_{2}O\\12.4g\longrightarrow\frac{12.4}{18}=0.689\:moles\:of\:H_{2}O

Hence, 12.4g of water has 0.689 moles of water.

6 0
3 years ago
The oxidation of an unsaturated fatty acid leads to the production of fewer ATPs than a saturated fatty acid with the same numbe
kirill [66]

Answer:

C) the double bond results in the bypassing of the first oxidation step of the pathway, thereby eliminating one FADH2 product

Explanation:

The beta oxidation of fatty acids is the process by which long chain saturated and unsaturated fatty acids are oxidized to the two-carbon product, acetylCoA.

The beta oxudation of fatty acids occurs in four steps after which the chain length is shortened by 2 with cleavage of an acetylCoA molecule.

The first step involves the oxidation of the fatty acid with introduction of a double bond between C-2 and C-3 of the long carbon chain. This reaction produces FADH2 which donates its electrons to electron carriers in the electron transport chain tomproduce 1.5 moles of ATP. This is the case with saturated fatty acids.

However, in unsaturated fatty acids (which are less reduced than saturated fatty acids) where there is already a double bond innthe molecule, the double bond results in the bypassing of the first oxidation step of the pathway, thereby eliminating one FADH2 product.

This causes a reduction In the number of ATP produced by unsaturated fatty acids when compared to saturated fatty acids.

8 0
3 years ago
What is one way that fission and fusion are similar?
nignag [31]
The Correct Answer Is <span>Both Processes Produce Energy From Mass. </span>
8 0
4 years ago
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What’s the definition of renewable energy
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Answer:

energy from a source that is not depleted when used, such as wind or solar power.

Explanation:

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What will for if sodium give away one electron ?
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A sodium atom has one electron in the outer shell. A chlorine atom seven electrons in the outer shell. A sodium atom loses an electron to a chlorine atom. The sodium atom becomes a positive sodium ion.

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